E46 transmission cooler leak. br/b8h9r/bando-belts-distributors-in-india.

com: the hoses (17221714511 &17221714512) and o-rings (172117426360). Dec 26, 2021 · Hey , I have a 2005 330ci zhp and I recently replaced the cooling system, but kept the same automatic transmission mounting bracket that goes on the radiator and which the Transmission cooler attaches to, recently I was driving and my car started overheating, also leaving puddles as I kept adding water to make it home, got home and ramped it and checked out that where the atf cooler attached Apr 17, 2014 · In the picture below #1 is the transmission oil cooler, #4 and #5 are the send and return lines, and #10 is the bolt that attaches the send and return lines to the transmission. No. Nov 27, 2010 · I changed my radiator 2 days ago and found out there's a leak coming from the transmission cooler. There was a rip on the transmission fluid cooler line that goes to through the cooler on the transmission. My lines going from the cooler to the tranny are leaking at the quick disconnect. Oct 17, 2011 · So got a call from BMW today as I had taken it in for a checkup when I noticed the transmission was acting a bit weird for a few days. 78mm. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada May 11, 2011 · Test the oil cooler. Mar 2, 2016 · E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. Apr 29, 2010 · E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. If it has a milky appearance, then the transmission needs to be flushed. Jul 20, 2014 · Well this is a bummer. Jul 24, 2013 · Transmission cooler hose leak. Well, not surprisingly, the leak has reappeared. Jacked up the car and managed to figure out that it was coming from this connection here . I have seen similar thing with the 4runner 3. Content on E46 Fanatics Forum is generated by its users. They don’t seem to be attaching securely and thus has been leaking coolant. #1 · Jun 25, 2019. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada Jul 12, 2016 · The job sounds easy enough. Jun 25, 2019 · Coolant leak from transmission cooler. The thermostat the water pump. Quick $100, problem solved. jr81, I've got a slow leak of coolant on my '01 325i which is visible at the trans-engine interface (it leaks onto the rear of the skid bar/reinforcement bar if that gives a better idea) concurrent with a slow drop in the expansion tank level stick. Dec 11, 2010 · If leaks in the shift rod, buy teflon tape ( Home depot, thick one , $1. Drove for 20 kilometres so far and temperature remained stable and no leaks spotted. I worked it in the holder which made the line move tighter on the cooler exchanger. May 23, 2015 · I rebuilt the cooler lines in my 1998 Volvo S70 using: - Angle Grinder (or dremel) to cut the crimp. If you frequent Harbor Freight, and have one of their Viton o-ring kits, there's a size in there that's an exact match. As the name implies, this should've been easy, but it wasn't. You get a couple elbows, some tubing, and some clamps. The expansion tank leaks or simply bursts. Dec 17, 2011 · The leak left a puddle directly under the drain plug, but with three hoses, the expansion tank and the auto trans cooler all in that area, I couldn't be sure exactly where the leak was coming from. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada Oct 8, 2012 · The same spot a leaking rear main seal would leak. Broken Transmission Cooler Lines. Check the cooler fin area for leaking or signs of engine coolant. 4 V6. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada Jan 14, 2018 · Plastic coolant pipes under the intake manifold or the hoses that connect to them would also leak back onto the engine/ trans interface. Had this Friday off and I decided to tackle some projects on the E46 2001 BMW 330i. Mar 19, 2015 · Hey guys, I browse the pages mainly but I typically dont have to post a question. May 15, 2013 · I finally tackled this festering project (or projects, since I also needed to also replace a cracked upper air intake boot, and a ruptured transmission cooler line and the cooler itself (I also wanted to replace a cracked tie rod boot, but was too worn out and anxious to get the car in running condition again after the failed transmission line May 3, 2015 · Hey all new here and wanted some input! My 2001 325xi seems to have a leak on one of the trans cooling lines right up front where tube is crimped onto the hose by the cooler. The transmission is running smoothly. Am I saying not to do this. Appeared at the very bottom with a significant amount of coolant being lost. 30,000-50,000 Miles =No Need to Change 50,000-75,000 Miles =No Urgency, But Won't Hurt To Change Mar 14, 2023 · Replace the defective transmission cooler before more damage occurs. RMS, oil pan gasket, or transmission input shaft seal. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada Jun 15, 2024 · I have a 2000 323i wagon ZF auto trans and had to replace the trans cooler twice once because a semi truck lost a piece of its tire on freeway and wife ran over it causing damage to cooler. There are multiple places where you could be losing coolant in Mar 25, 2012 · E46 (1999 - 2006) Transmission seal leak (Front) Jump to Latest 10K views 1 Mar 22, 2012 · Transmission leak oil front I have a trans oil leak between engine & trans (2004 320i ) when the car sits no leak only when it start took it to shop. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada Feb 6, 2018 · So, I went to the junkyard and took out a transmission cooler from a junked E46 and cut off the two metal hoses sticking out of the transmission cooler with a hacksaw. Continue reading for problematic areas where coolant leaks on BMWs often occur and likely causes. Remove the lower splash shield and apply pressure to the cooling system. they became brittle with time, and it could be either connection with rubber hoses, which ic behind engine, or place where hoses go into engine Jul 18, 2014 · E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. There is a clip that holds on what I believe is the transmission cooler. Took me a couple days to realize one of the ports to the oil cooler is pretty loose connecting to the radiator. #4 on the image below. Automatic transmission oil cooler line still leaking after replacing the whole oil cooler line with a brand new one?? Bmw e46 325ci Hello everybody, so i noticed atf fluid leaking under the car and as you can see in the picture the line that is plugged in to the transmission oil cooler leaks. DO88 Racing Oil Cooler - E46 M3. Is it a bad oil cooler? I've heard others say that in auto transmission e46's that those lines carry coolant and it's normal. The cooler hose starts to get just a bit wet around 120K or so (around the crimped areas pretty much like a garden hose leak at home). We then changed the o-rings on the plug; still Nov 1, 2011 · E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. Jul 11, 2020 · Bmw e46 transmission oil cooler replacement stepson how to replace an level an install transmission fluid! Mar 6, 2020 · Transmission cooler leak - how to fix? Jump to Latest 4K views 6 replies 4 participants last post by Doug Huffman Nov 22, 2020 Apr 20, 2021 · About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Mar 26, 2019 · My beloved 530i (M54 engine, 75k miles, 2003) has some oil leak issues. I ordered aftermarket cooler and could not get that one to stop leaking coolant so bought a original oem cooler. I am not 100% sure what coolant is doing there in the first place to be honest. Turns out my automatic trans oil cooler thermostat broke when i took the expansion tank off the first time. The entire cooling system was replaced 20k miles ago (everything was replaced) I'm pretty sure the leak is coming from the transmission oil cooler hose where it connects to the cooler, or the other side where the cooler connects to ???. I did this twice to get four small metal pipes and connected them to my transmission lines using hose clamps. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada May 19, 2015 · Authorized dealership should know: oil mixed in the radiator can come from two places: 1. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada Oct 24, 2018 · Hey all, I've been searching on here and e38. Nov 27, 2022 · Towed vehicle to my mechanic and he replaced the transmission oil cooler. We made sure we put the correct plug in. Our professionals are here to help make sure you find the answers you need to your questions and our community is here to help other brainstorm This Genuine BMW Automatic Transmission Cooler (Mfg#17227505826) fits BMW E46 M52 2. 6K views 2 replies 3 participants last post by armenh7 Jun 26, 2019. Jul 21, 2023 · I have a 2002 BMW 325Ci convertible manual transmission. Dec 3, 2021 · I do have the automatic and the transmission cooler and lines seem okay, visually at least. Will install new flex disc and rear main seal at the same time. Do I need to keep changing the ATF until most of the original fluid is gone? My transmission is ZF. 82mm x 1. 5 Signs Your BMW Is Leaking Coolant. Transmissions are hard to find leaks because it has to be under pressure driving to find them most often. And it kept leaking from below. Nov 2, 2020 · Hi all, I have a 2004 E46 convertible with the GM transmission. They usually leak from the bottom onto the water pump which can make you think the water pump is leaking. Even though we used a 2004 325ci to perform this repair, this article can be applied to any 1998-2006 3 series vehicle with minor modifications to the repair steps. the pull the trans out change the front seal and the o ring . If you do not find the leak, warm the engine with the pressure tester installed. Apr 11, 2012 · Plastics. Transmission fluid passes through external coolers to prevent overheating. Apr 20, 2010 · PS: In the Volvo forums, I have learned that the O-rings leak around 90-110K. Now, I think its that line or drain seal. On the transmission side of the things the return and send lines going in and out of the transmission look like this. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada Just buy a set of coolant o-rings from eBay. At the moment the coolant pressure is high and any leaks should show up. Also, if you have an auto transmission, buy new O-rings for the AT cooler AND get a new AT thermostat since you're going to break it no matter what. Push the line towards the fitting and hold it, push the white quick disconnect collar firmly into the line, pull the line off with the collar still pressed in. The transmission filter and gasket were changed in the first round. You can see the detail in the DIY below: DIY: 1998 S70 GLT Trans Cooler Line Rebuild In this video, I cover the BMW/ZF transmission cooler line quick disconnect ports on an oil cooler from a 2004 Range Rover HSE 4. I was pushing the hose forward, then sliding the plastic collar back, then push the whole thing back, but it would not come off. Tough to see the leak by just taking a quick glance. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada Aug 8, 2022 · E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada May 29, 2016 · Another weekend, another maintenance adventure. Any sign of water in transmission will involve a few fills and drains to get it all out. Ive driven a handful of SMGs, and yes, it feels only detached during actual shifting of the locomotive, but at highway speeds and quick spirited canyon blasts, the quickness of the SMG transmission has a special one of a kind syncronized mechanical feel to it. BTW, like Yewzer said the culprit has to be the transmission cooler/heat exchanger at the bottom of the Nov 9, 2019 · Apart from common leak areas - water pump, o-rings of upper/lower hoses, you can get it from heating core connection (two pipes coming from firewall), and the worst case - hard hoses under manifold. Check for Damage. Both of those leaks do not end up creating a mess in the back of the oil pan between the engine and transmission. These parts aren’t prone to failure often. Mar 1, 2015 · The power steering lines can leak. Jul 3, 2013 · Replace the bracket, ET, and connector piece. If its possible on a BMW then try it i guess. One other somewhat common leak are the steering rack seals at the ends of the rack where the inner tie rods connect. That crack will expand under heat and water will leak out. I had to order the tool to pull the transmission lines off and a new transmission cooler and expansion tank so I am stuck waiting. Jan 11, 2009 · E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. I linked a photo of the hole where the leak is coming from. Apr 26, 2013 · 14,5X2,5 or 17111711987 at the dealership. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada May 7, 2022 · In this video I'm going to be fixing oil leaks on a 2004 BMW 325I and I'm going to show how to remove and install the transmission. Buy BMW part 17227505826 (17-22-7-505-826) Automatic Transmission Oil Cooler - E46, E83, E85 at the best price with fast shipping. Feb 25, 2015 · In the picture below #1 is the transmission oil cooler, #4 and #5 are the send and return lines, and #10 is the bolt that attaches the send and return lines to the transmission. Your question is a bit like, my car leaks from the front, what do I do now? This o-ring seals the oil cooler hose to the oil cooler and/or the engine or transmission. I did not see a leak this morning. Björn Boethius mail bjornboe@telia. So far I replaced everything but the automatic transmission cooler. Dec 9, 2021 · E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. See if coolant is dripping on hot exhaust. Bentleys says to remove the 2 big plastic plugs that hold the radiator in. org and was wondering if there is a sticky that someone can link me to where I can find a diy for RR'ing a transmssion heat exchanger and thermostat. Keep your oil temperature in check and prevent leaks by replacing a failing oil cooler or upgrade to an aftermarket oil cooler Feb 4, 2008 · 6. Changing ONLY the O-rings is a snap. No water at all in transmission Jan 7, 2014 · E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. This will trip the low coolant warning on your dash. Watch for orange staining or drips. Feb 22, 2016 · 4. Check for leaks in the mechatronic sleeve and oil pan area. 5L, BMW E46 M52 2. Performance remain somewhat the same, but there may be a placebo effect in thinking that there is some sort of performance loss Jul 24, 2013 · A very common leak on e46's. Feb 13, 2024 · The symptoms that encompass most E46 cooling system problems include elevated engine temps, severe coolant leaks, and a loud cooling fan. . Nov 12, 2017 · If there is a leak internally within the transmission oil cooler, the biggest problem you have is coolant getting into the transmission. The transmission t-stat is a failure item, although it generally falls apart when you are replacing the expansion tank and this has the affect of removing the t-stat. Also the thermostat will fail open or closed. Would be wery thanfull to receive an answer. While the lines and coole Jan 13, 2011 · I***8217;ve searched to no avail, and am left feeling puzzled. Correct fluid level as needed, using ZF Lifeguardfluid6 or OEM approved fluid. 64 posts · Joined 2018. Nov 19, 2021 · Coolant leaking, Shop:"leaking coolant from transmission oil cooler, also tran fluid Bimmerpost ☰ Model Selection E46Model Year: 2000 - 2006. H. After the exchange, I bled the system and everything was gucci. I have changed out every gasket in the engine,the only leak I have left is the o-ring gaskets going into the transmission cooler. leak is still there. Am not sure if it is leaking or the drain cock on expantion/bracket. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada Jan 10, 2018 · I was experiencing overheating issues and solved that issue somewhere between the many parts replaced. As I recall the automatic transmission cooler is a separate component that can be easily replaced unlike many of the American cars that have the cooler integrated into the radiator. Feb 9, 2014 · E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. The trans cooler has what looks to be inlet and outlet ports that attached to the lower left part of the radiator. The answer is YES. Any help is greatly appreciated. Note leak color and smell – BMW’s Organic Acid Technology (OAT) coolant is bright orange when new. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada Apr 29, 2020 · I recently changed these coolant system parts: water pump, expansion tank with cap, coolant level sensor and thermostat oil cooler, and upper and lower radiator hose. tighten and run, look for oil coming out of the oil cooler. If you are leaking as much as indicated this may be the issue. My expansion tank had evidence of a leak so I pulled it off (car has 94k miles and is a 2002) and found both belts in bad shape so they are getting replaced. Ended up buying a new bracket that holds the expansion tank and a new oil cooler thermostat (Part # 17111437362) and it was alll good after. The lower radiator hose leaks at the temperature sensor. 9 for coolant temp and it got to 109 c before I shut off and found a leak. - New hose - Oetiker clamps NOTE: Keep the orientation of the ends the same when you crimp the new hose in, this way it fits properly. I replaced everything including the radiator when I had a bad leak. Automatic tranny thermostat sits in the coolant lines. Nov 23, 2023 · E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. It drove fine for about 30 minutes and then suddenly started to get hot. 5i, BMW Z4 3. May 4, 2011 · So I was able to find the culprit for the leak. Jul 27, 2021 · E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada May 30, 2021 · E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. i was able to just pop it right off. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada Nov 8, 2019 · BMW dealer suggested it was AT oil leaking into the coolant via the AT oil cooler (at the base of the expansion tank). When I was under the car doing the front suspension I actually spotted the leak. Don't think about it, just do it. I don't believe it. You are not left with many options as what could be leaking from that area. May 19, 2022 · E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. Remove the radiator. Not sure if it's good news or not, now the trans has to come out and the flywheel comes off to repair the leaking coolant plate at the rear of the engine block. Dec 30, 2011 · I'm replacing my radiator after 180k miles. harley3296 Discussion starter. Sep 10, 2023 · 7. 0L, BMW Z4 2. Some time back I had posted about a coolant leak in my 2001 E46 330i. So I’ve spent so much money on coolant and I don’t know what else to do. Oct 30, 2016 · Assuming I got rid of 50% of the ATF each time, I still have 25% of the original ATF in the system. There is a little o-ring on the oil cooler that seems to flatten out which is gonna relieve the suction to that port. 0i. Head gasket leaking. 0L, BMW E83 X3 M54 2. Transmission oil cooler new/clean flush ( COULD see this is somehow true , my son the night my daughter brought home took car out , I am sure he put it to road BMW indy test, Granted this condition would have happened anyway but may have pulled trash that was waiting for a hard driving session to clog or push cooler issue to head? May 10, 2012 · hckyndfw. Jun 3, 2019 · This article gives detailed instructions on servicing the transmission in a BMW E46 3 series vehicle. It's called heat exchanger shown in my picture and that's where the tranny oil gets cooled by coolant flowing thru the core:thumbup: Jan 30, 2015 · E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. The car hasn't leaked any transmission fluid in 6000 miles so far. If your transmission has an oil cooler or the engine has an oil cooler, this is the o-ring to seal the hose at the connection. The Trans Cooler then comes straight out of the radiator (have a bucket ready for coolant). It will typically develop a hairline crack anywhere from 60-95k miles (give or take a few). Line 4 or 5 (part hose, part metal that goes all the way back) is leaking coolant in the cracked portion of the rubber hose. When I got home it started to spray coolant out from where the automatic transmission cooler meets the mounting bracket. Apr 24, 2009 · You are right that atf cooler is seperated from raditor in my 2001 540iA model with automatic transmission. I had hoped the e46 was immune to this kind of failure. If you have enough miles they will ALL be leaking and weeping. Oct 20, 2013 · wow, I am looking at that right now. The coolant drained completely while the wife was driving on the highway, and the gauge went all the way up. Your E46 contains lots of it. Put some pressure on plastic gray socket (3) -> it will release blocking spring (2) inside coupling. I did this on a volvo. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada Nov 14, 2017 · E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. They came back with a HUGE list of overall repairs, but the main issue they said was that the noticed the tranny (auto) oil cooler had been leaking a little and some water has made its way into the tranny! Jul 28, 2012 · Since the beginning of time, or since the beginning of the E46 run that is, owners of these beloved BMW's have been wondering whether or not to change the transmission fluid. They replaced the seal, but indicated it could be a worn selector rod (shifter shaft) so the seal may not stop the leak. The first thing I would do is drain a small amount of oil from the transmission and see what it looks like. Inspect the leak thoroughly and determine if it is coming from the thermostat or waterpump before replacing. My thought was to just replace both since they are so easy to get at! Jan 22, 2023 · It stopped leaking until it started again but it leaks where my transmission cooler block is, I changed the grommets but still leaked. Most everything else has been replaced including engine :facepalm: and transmission. A week or so after the bleeding, a little leak started to occur. Dec 28, 2017 · E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. Oct 21, 2023 · common fluid leaks | E46 Fanatics Forum " Thermostat A very common leak on e46's. 7. The VANOS oil supply line can leak. You can disconnect the heat exchanger from the radiator by pulling that #2 clip and possibly one more clip. Nov 6, 2013 · I've got a coolant leak. FYI, quoted repairs from the BMW dealer included changing the radiator, both hoses, water pump, thermostat, AT cooler, and doing a coolant flush and fill and an oil/filter change, for $4,300. The fluid I used was Castrol Multi-Vehicle. The water pump impeller breaks. Possibly there was some physical damaged to the transmission cooler when the coolant leaked? Jan 31, 2018 · Are your transmission cooler lines leaking? This video is here to help you perform a quick, easy, and dirty repair to STOP them from leaking. Nov 6, 2022 · During this time shift the tranny through all gears; check if ATF leaking out of the cooler holes, which means the cooler leaking through the wall partition the coolant and ATF. I have replaced the expansion tank. Go to e46 r/e46. Last night after replacing the valve cover gasket, oil filter housing gasket, ECMPS and doing some clean up work I took it down to o reillys to clear the codes and about 300 feet from the store it started to leak, and ulitmately dumped everything out of the line as soon as I Apr 1, 2012 · The line leaking was not in this holder. Transmission cooler lines can also develop leaks due to damage from road debris, accidents, or other factors. 8. How does the transmission cooler in our E46 automatics work? What I do know: There are two lines running from the transmission to the trans cooler/heat exchanger. put avery thing back toghter Transmission still leak oil from the same spot . , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada Mar 6, 2011 · It is true but those who cannot drive a manual will not be able to drive their cars for awhile until they convert. 0L. But be aware of what is going on inside your transmission by disconnecting the cooler lines. I have exaxt the same problem as ANDOR posted 01-27-2009 and now wonder ehat happended. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada Jul 12, 2010 · Bimmerforums is the preferred online BMW Forum and community for BMW owners. 6 posts · Joined 2010. At times, leaks will surface as parts expand from engine heat. Was the problem solved, what ws the diagnosis, how was it cured. So my '03 318 had a coolant leak (try to act shocked) which was starting to get bad so I decided to track it down before winter set in too badly. I bypassed the radiator on ours with an external tranny cooler. This ACM Automatic Transmission Cooler (Mfg#17227505826) fits BMW E46 M52 2. The problem is that I have a coolant leak (semi-rapid) coming from the spot where the transmission cooler meets the radiator housing (parts I did not replace). Last night, I found a bit of oil leaks and it turned out they are from the transmission oil cooler lines near the radiator. Feb 22, 2015 · E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. 2. Like this You may need all of them eventually. Jan 26, 2015 · I would flush coolant and change tranny fluid/Filter/Engine oil at the same time, any water in the transmission will confirm the leak, that fluid is under pretty good pressure into that cooler. The coolant is not coming from above as orginally suspected "valley pan". Jan 14, 2010 · Here are some tips: First of all look at the new hose and try to use "quick-connect coupling". Works the same way as the fuel filter quick disconnects. In BMW TIS you can find the following image. 8L, BMW E46 M54 2. and tranny went to limp mode ( gear light on cluster turn on), drive about 15-30 minutes, warm up, turn off & restart, normal. The only problem I'm having is after putting everything back together right underneath the expansion tank where the mounting bracket goes into a hole that is clearly open on the mounting bracket and also on the radiator I switched out the plug to manual plug but it is Dec 15, 2021 · did dashboard 17. A bad transmission cooler is something that most drivers will never deal with. Even though we have used a 2003 BMW 325ci to perform this installation, this article can be applied to any E46 3 series vehicle, including the 323i, 328i and 330i coupe, sedan and convertible. Sep 11, 2023 · Look for leak warning signs – Inspect components like hoses, water pump, thermostat housing for stains, crustiness, or wetness. So I bought a new transmission cooler and test drove it for 20 minutes and when I got home I had no coolant in my radiator. However in this instance I must. Remove the clamp bolt, and you should be able to pull the lines out of the connector. The oil filter housing where it mates to block can leak. Cracked head or block. The upper radiator hose leaks at the bleed bolt. It was only after much inspection that I decided to take another look at the "extra" parts that came with the radiator, and found that there was a Apr 10, 2016 · E46 330CI DIY Mods: Hawk HPS 5. Also, obviously you would think its Trans fluid in the cooler, but I have read a couple of threads saying it's just standard coolant, so what is it, Trans fluid or coolant? Thanks! Apr 13, 2024 · (Figure 5) shows how the lines are attached to the front transmission cooler, which is located in front of the engine radiator. Then I moved on to the quick disconnects at the oil cooler. Remove the Transmission Cooler. The typical first failure of the E46 cooling system is the expansion tank. Cracked or leaking cooler lines will drain the fluid and cause the transmission to run hot. Nov 6, 2017 · Leaking PS hoses is very common. May 2, 2023 · Two o-rings for the transmission oil cooler 17111711987 (if equipped with automatic transmission) Coolant drain plug washer for engine block 07119963200. Report back what you find. M4. It’s not leaking from the actual plug itself but the hole above it. With the new seal in place the leak is now worse. Dec 23, 2021 · E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. Again, have a pan or bucket underneath to catch the transmission fluid that will inevitably spill out (Figure 6). The leak is coming from where the automatic transmission cooler would go. It's 10. There is a quick disconnect that pulls straight up. Cyanoacrylate, (aka Superglue) is used to make Viton rings, to glue the ends together. The Cooler hung fine from its hoses. Did an engine oil and engine oil filter change, engine air filter change, cabin air filter change, and fuel filter change, but the main event of the day was automatic transmission maintenance. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada Dec 22, 2014 · Put everything back together. Just make sure you get the ones for your needs (automatic/maunal) Jan 27, 2009 · Oilleakage transmission 3-series I have a BMW 325 xi 2006 E46 automatic. Mar 28, 2015 · The previous owner also had a valve cover gasket leak. 5L, BMW E83 X3 M54 3. I think I've got ATF leaking from power steering lines the more closely I get into investigating the new mysteries. The transmission oil cooler lines are in the area, they can leak. com Nov 28, 2023 · I would do this: remove the engine bottom plastic tray if it's still installed, run engine and let idle until temp got to 93C, turn off engine and get under it to look for leaking around radiator bottom, hoses, water pump, Tstat, tank bottom, left side of engine block. when I did the job the right port of the transmission cooler o ring didn’t slide in smoothy like the other and Im wondering if I pinched it or needs to be realigned. Aug 21, 2022 · E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. r/e46. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada 🏁 About this video:In this video I begin showing you guys how I reinstall the components on my BMW E46 after the tailshaft seal replacement. I looked up the parts on realoem and the part number for both is 17221439675 & 76. When I took the transmission cooler off from the ET bracket, I notice that the middle doesn't have an O-ring on it. If you notice any signs of damage, such as dents, cracks, or holes, on the transmission cooler lines, it is important to replace them immediately. Either issue is really pretty bad news. Sep 8, 2023 · E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. However, after many miles of usage, you may find yourself dealing with transmission fluid leaks or other transmission cooler problems. The Thermostat housing leaks from a mid lower point. I don't really understand how the transmission cooler works unless it simply uses evaporative cooling. Shop our wide selection of Transmission Cooler for your BMW 3 Series E46 (1999-2005) The most common places for your BMW to leak coolant are the radiator, coolant reservoir cap, water pump, thermostat housing, and radiator hoses. 5L, BMW E46 M54 3. Oct 22, 2018 · A failed automatic transmission cooler could be the cause. Jun 27, 2016 · Searched youtube and the internet. G82Model Year Jan 31, 2021 · We took everything back off and searched the forums. They call that one the pink milkshake of death. Jun 24, 2017 · The transmission cooler lives at the bottom of the radiator, and there is a thermostat in the radiator that regulates coolant flow to the trans cooler. There solution is to drop the transmission and open the tranny to replace the worn selector rod. Mar 26, 2020 · Common Coolant leaks on a BMW e46 Jul 22, 2021 · The car keeps getting too hot. See if one or more boots are filled with fluid. My good friend Jul 11, 2024 · E46 models develop coolant leaks toward the front of the engine, in places like the radiator outlet sensor, water pump and thermostat. We have been tracking down a tranny fluid leak and it appears to be coming from the connection between the tranny Oil Cooler and the hose that goes to the Transmission. I googled and got the part numbers from realoem. But, I can't for the life of me find the Jul 10, 2016 · Thanks! #1 on that figure is a heat exchanger. Look under your BMW for signs of leaking fluid at the transmission cooler and fittings. Enjoy!silicone s Oct 20, 2023 · BMW E46 cooling system components include: Radiator and coolant overflow tank; Belt driven coolant pump bolted to the front of the engine block; Electric cooling fan attached to rear of radiator -- the cooling fan is controlled by the engine control module (ECM) via an output final stage Jan 24, 2011 · I may be got the same problem ( same 323i-1999) when last couple day same cold ( 5 F/-20 C ), leaking very small fluid. One side is coolant from the radiator, the other side is the transmission oil. Not sure how it got ripped because its on the top of the hose maybe thats why it was hard to see or maybe when my water pump went bad, some parts may have shot down there! Aug 29, 2023 · 3. Jan 28, 2014 · test drive allow the transmission fluid to cool to 40 ° C recheck transmission fluid with vehicle level, transmission in park and engine running at idle speed. Oct 5, 2018 · It will take a good amount of new fluid mixed with old (which then gets pumped out of the cooler lines) before it looks nice and clean. Unbolted the 24mm banjo bolt and 19mm connector at the transmission. 50/roll, yellow or pink color,not white ) then wound around the rod, between the lever and transmission body, many time until it full cover up. 0, Painted Calipers, KONI Yellows, MeyleHD RTABs, MelyeHD Control Arms+FCABs, Motor & Tranny mounts, UUC EVO3 SSK+DSSR, UUC Sway Bar, Interior LEDs, clutch stop, Front Lip, Performance Headers Apr 11, 2012 · Plastics. At that time for some mysterious reason, the leak disappeared after a couple of days. Feb 1, 2010 · The radiator plastic tank mount with the aluminum main body leaks. Mar 12, 2009 · Two options: 1) Remove the trans oil cooler lines from the cooler. Had the same problem, i bought 2 different expansion tanks. I am crossing my fingers today as I am going to drive it and see if it leaks. Reactions: 4aceman and burntoutrubber Jan 7, 2017 · transmission oil cooler line removal e46fanatics transmission oil cooler line removal general e46 forum e46fanatics e46 bmw general e46 forum transmission oil are you Jan 30, 2020 · E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. Is it suppose to to have an o-ring? so only the 2 side one has o-ring? Realoem Part #17111711987 Thanks. Dec 6, 2019 · The following article provides detailed instructions on replacing the radiator in a BMW E46 3 series car. Have worn lines replaced immediately. Now start removing. For those wanting to see more of BMW's 4th generation 3 series, the beautiful and timeless E46 Transmission cooler line started leaking at Nov 16, 2018 · Temps confirmed Bought an infrared temp unit from supercheap auto yesterday, tested it a bit, then gave the bimmer a run into town and back, INPA showed 235F (115C) on the run, infrared confirmed it as 89C on in line on the cooler, about 83C on the out line, with the bottom of the transmission about 70C. 4. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada Aug 15, 2024 · Figure 1 The red arrow points to the transmission cooler. Aug 29, 2020 · I tried a few fixes which have worked, but inevitably the leak came back. The Viton O ring kit from Harbor Freight (#67525) has the correct sizes rings for the transmission, drain and fill plugs, along with various other sizes. #6 · Dec 9, 2012. However, there are other more specific symptoms that can help you pin down the exact cause, like a long warmup period if the thermostat is stuck open, or excessive belt noise if the idler belt is on its way out. However, with some caveats. At Bimmerforums, you will find technical how-to information maintenance specifics audio advice wheel and tire combinations and model specific details not found anywhere else. The car spoiled me, trouble-free for the past year-plus, time to pay it some closer attention again. But since I'm ripping everything out with the radiator Mar 3, 2021 · 2003 330i 4door. Jump to Latest. E46 Fanatics Forum is not in any way affiliated with Bayerische Motoren Werks AG VerticalScope Inc. Bi-pass it and see if oil comes out of it. Includes sealing O-rings × May 2, 2018 · I took it to a well recognized automatic transmission shop to replace the seal. Like dmax says, pull the cabin air filter housing. Since there are so many E46 cooling system parts to keep track of, companies like ECS Tuning have put together a solid E46 cooling system refresh package that you can purchase to get Jul 10, 2016 · Well my question is, is there any possible way to remove the whole Trans cooler not just the cooling lines #1 in the pic. Jul 19, 2022 · E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. Pressure tested the cooling system, no leaks found. and trans filter too . I save the barb fittings. take the hose going into the cooler plug it into the other one going out of the cooler. Generally you can hang on to the hose for about 150-160K when it leaks more. Start your testing with a cool engine. aovpi cwkbgyks ktcjuc panbivk glsvti fioj novh abt acwkf jovl