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VW MKIII-A3/B4 TDIs This is a discussion about MKIII-A3/MkIII Jetta/Golf (<99.5) and B4 Passats (96,97) TDI's. Non TDI related postings will be moved or removed.

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Old May 2nd, 2011, 11:26   #1
fastcash43
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Default TDI Jetta coolant connector

Hi folks, while I wait for my replacement coolant hoses which blew out from a dripping diesel from a leaky ip I thought I would post a pic and ask a question. I want to make room to approach a stripped injector pump head torx bolt straight on so I don't screw the job up. I need to remove the coolant connector in the circled area. It looks like 2 bolts. Is there anything I should be concerned with here? Does it just bolt right off ? Are there parts I'll need to replace (o-rings, gaskets) if I take this off ? Thanks for any comments / advice you can share.
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Old May 2nd, 2011, 11:42   #2
compu_85
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Buy a new one before you remove the old one. Also get a new O ring. Yes, it just unbolts from the head.

I'd also suggest working on the IP with it off of the car. Others say you can do the job without too much trouble on the car, but I really like working on it on the bench instead. It's not much more work to pull the pump off the car.

-J
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Originally Posted by BRUSSELS BELGIAN View Post
Maybe I should pay MYSELF to do bad work on my car!
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Old May 2nd, 2011, 11:46   #3
fastcash43
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thanks compu, It's a mater of confidence for me. At some point I'll tackle a timing belt/water pump/proper belt tension, change out, but I'm still learning the basics and don't want to get too far over my head just yet. This is a great site here and I appreciate all the comments/advice you guys take the time to share.
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Old May 2nd, 2011, 11:49   #4
compu_85
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IMHO there's less chance for error pulling the pump off of the car. Proper belt tension is easy on the TDI, just line up the 2 marks on the tensioner

-J
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Present:
2018 Tesla Model 3 DM. 2500 miles.
2014 Cadillac ELR. 33,000 miles.
2013 Fiat 500e. 33,000 miles.
99.5 Jetta "GLX" TDI. 323,000 miles. Power Memory Seats, HIDs 11mm pump, BV39 Turbo, RCIII 36/47 MPG.
1991 Mercedes 350SDL 230,000 miles, 70,000 on engine. 18/27 MPG.
Past:
2012 Passat SE TDI DSG. 114,000 miles. LED tails, Memory Seat, HIDs. Bought back by VW.
2004 Touareg V10 TDI. 165,000 miles. Sold to Matt98AHU w/ flat camshafts.
1988 Audi 5000S Quattro, 1992 Jetta ECOdiesel, 1991 Jetta ECOdiesel.
Thank you for giving me the BUG*PWR award. It means a lot to me!

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Quote:
Originally Posted by BRUSSELS BELGIAN View Post
Maybe I should pay MYSELF to do bad work on my car!
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Old May 2nd, 2011, 11:59   #5
fastcash43
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thanks compu, keep in mind this is like easing a crazy man off the edge of a cliff here in terms of confidence that I can take that next little step to safety )
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Old May 2nd, 2011, 16:58   #6
fastcash43
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I removed the flange? and noticed the o-ring is too soft and needs to be replace just as compu suggested. Does anyone know if this o-ring can be matched up at a pepboys or autozone kind of place ? Or is this a special order import type sizing on these ?
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Old May 2nd, 2011, 20:32   #7
schultp
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I would replace the plastic fitting. Purchase it along with the proper o-ring from one of our trusted vendors. These plastic fittings can be brittle and it is best to replace when you have it off anyway.
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Old May 3rd, 2011, 03:19   #8
fastcash43
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Thanks schultp, I'll do that, let me look around this site for a list of vendors, hopefully someone local to my area.
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