Where's it coming from???

Technical questions and answers concerning all models of VW diesel vehicles.

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Lee
Cetane Booster
Posts: 25
Joined: Tue Sep 14, 2004 9:47 pm

Where's it coming from???

Post by Lee »

My 81 caddy is getting lots of air bubbles out of the dicharge line from the IP, there are no bubbles in the inlet line while it is running but some come out of the IP after the engine is turned off and travel backwards towards the fuel filter. There are no external leaks on the IP or any lines and all fitting are tight. It starts after about 10 seconds of cranking even at 10 degrees F. and otherwise runs great. Any help would be appreciated


1981 Caddy
1979 NA Rabbit
1982 NA Rabbit
1968 912
libbybapa
Turbo Charger
Posts: 2444
Joined: Thu Nov 17, 2005 1:05 am

Post by libbybapa »

I would thaink that it is either where the clear line fits to the banjo or the front shaft seal is starting to go.

Andrew
Lee
Cetane Booster
Posts: 25
Joined: Tue Sep 14, 2004 9:47 pm

Post by Lee »

If the IP front shaft seal is leaking will it leak diesel externally at the seal?

Lee
libbybapa
Turbo Charger
Posts: 2444
Joined: Thu Nov 17, 2005 1:05 am

Post by libbybapa »

Not always. Sometimes it will suck air and yet not leak. I would focus on the In banjo first, tho.

Andrew
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