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View Full Version : V6 TDI -Injector return leak making a mess



Veeman
21-08-2008, 04:13 PM
Hello all...

I'm new here... I've got a 1998 Audi A4 Avant with the V6 TDI 2.5 engine (one of a few in the USA) . The car runs fine, but I'm experiencing a leak on the injector return lines on injector #1. Wanted to ask the forum for help...

It's very odd since it appears to be coming from the banjo fitting where the return line comes off. Here's the setup...

http://i250.photobucket.com/albums/gg253/veetesse/TDI_V6/inj_diag2.jpg

I took it all apart and it appears that the sealing surface under the copper washer on the injector side is irregular.

There seems to be a slight "step" in the injector body and the washer can't seal 100%. Don't think the injector body is cracked...that'd be a bigger prob. Tried replacing the washers, no dice...

Anyone seen this before? Makes a terrible mess dribbling on the valve cover and down the side of the engine not to mention letting air in probably.