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  1. Volkswagen Passat B5 Discussion
    This weekend I had a coolant leak out of back of the head and fixed the coolant flange. I used some RTV sealant so I let the car sit overnight before refilling it here today. When I started it up it misfired a bit and had engine codes saying misfire in cylinder #2 and after a couple seconds it...
  2. B5 Garage
    I have a 2005 vw passat 2.8 v6 and I'm going through a coolant leak. It's located behind the right head of the engine and would be a coolant flange. I'm thinking it's an o ring failure, but how do I go about getting to the o ring?
  3. Volkswagen Passat B5 Discussion
    I'm trying to get my family in pretty reliable and MPG friendly cars. The BHW powered passat can do all that once the BS is deleted and cam is checked and replaced if needed. I want all manual gearbox transmissions. The ZF left much to be desired and as these cars get older and so many second...
  4. Volkswagen Passat B5 Discussion
    I have a slow leak on my 2002 Passat Wagon 1.8T GLS 5 speed. I've tracked it down to the coolant flange. I'm going to replace it. Here are the parts I've already purchased: 058121132C Coolant Flange 8D0819371H Heater core hose - supply My tech tells me that I also should have purchased the...
  5. Volkswagen Passat B6 Discussion
    Anybody able to confirm that the coolant flange/connection (from block to water hose which runs to heater core) comes off without special tools or extraction procedure? I removed both t30 bolts and the flange now spins but is resisting when i pull. Just don’t want to break something...
  6. New Member Introductions
    CTS flange on 2003 Passat wagon 1.8 w/ turbo..... Man! Getting to it is a real B-word! has taken a full day to get to and remove 3 of the four bolts on the flange. while in there what else could/should i do? im taking time to label, to replace all water and vacuum hoses. any advice on anything...
  7. New Member Introductions
    With the myriad of other problems, my Heater core hose connected to the water outlet/coolant flange quick connect thing actually rotted off from the dry fluid.... My passat is a 2000. 2000 Coolant flange looked nothing like mine Imgur: The most awesome images on the Internet flange seen...
  8. B5 Garage
    What do you guys think?
  9. Volkswagen Passat B5 Discussion
    Just wanted to see if anyone had any experience with this sort of thing. On my 2002 Passat 1.8t I've been having a coolant leak for quite some time. After doing some investigating with a mirror and my phone jammed down there with my fat hands... it appeared to be coming from the coupling for the...
  10. B5 Garage
    what size are the CV drive Flange Bolts For a 2003 passat Wagon
  11. Volkswagen Passat B5 Discussion
    So the other day driving down the freeway I noticed white smoke rolling out From my hood and behind me. Stopped to take a look, it's coming out of a hole on my coolant flange next to the sensor. Is that suppose to have a plug?
  12. B5 Garage
    I am doing a CV axle replacement and have read all the forum posts and write ups on this. I am very clear on the procedure, but am just having a sticking point with a triple square bolt on the axle flange. It's the last bolt I need to remove to remove the axle. I have sprayed all the axle flange...
  13. New Member Introductions
    I am doing a CV axle replacement and have read all the forum posts and write ups on this. I am very clear on the procedure, but am just having a sticking point with a triple square bolt on the axle flange. It's the last bolt I need to remove to remove the axle. I have sprayed all the axle...
  14. Volkswagen Passat B5 Discussion
    Hi All, I have been slowly peeling back the onion of problems I have with my aging 2003 AWM Passat, and I am finally ready to deal with a coolant leak that I thought I fixed. Around six months ago I replaced the coolant flange (that was quite the process) to find out that I was still leaking...
  15. Volkswagen Passat B5 Discussion
    2000 1.8T sedan manual, well serviced and PM done regularly (flange, o-rings, cts, G12, water pump are all new within the last 10K). 100,000 miles. we were on a road trip and stopped by the side of the road for a quick pit stop. I turned on the AC while the engine was idling. Then smoke came...
  16. Volkswagen Passat B5 Discussion
    I noticed a little bit of coolant in my garage under my '99 Passat 1.8T so I looked to see where it was coming from. I couldn't see much but when I placed my hand under the coolant flange it came out wet and sticky so it was pretty clear where it was leaking. I grabbed a 1/4-inch socket wrench...
  17. Volkswagen Passat B5 Discussion
    Upper mount also has a tab. The lower most hard vacuum line on passenger side, wraps around between the combi valve and block using the upper coolant flange mount for support
  18. Volkswagen Passat B5 Discussion
    Yesterday I had the car in the driveway while I was doing some work in the garage and lo-and-behold there was a small brightly-colored sweet-smelling puddle where I expect the rear of my engine is. I am thinking that after 156k, it's likely to be the coolant flange on my '04 AWM. Also due for...
  19. B5 Garage
    Good morning - it's been forever since I've posted on here, but I had a recent repair that has me asking a question. At the very top of Old Priest Grade on Highway 120, my rear coolant flange decided to fail catastrophically and dump all my coolant. Luckliy, I was able to immediately turn into...
  20. Volkswagen Passat B5 Discussion
    My driver's side drive axle flange seal appears to be leaking in the front and rear (2004 GLS 4motion 5spd), so I'm tackling this project along with replacing the gear oil in the 5spd transmission/center diff and rear diff. The issue I'm running into is removal of the the drive axle flange in...
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