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Old 04-07-2013, 09:31 PM
Nevadan Nevadan is offline
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Join Date: Jan 2013
Location: Reno, Nevada
Vehicle: 740/745 D24T will be mine again soon
Posts: 253
Default Head replaced. Now major oil leak.

So I put on a new head and was going to start the car up. Prior to starting I wanted to prime the pump and get the oil circulating so ...... before I put the injectors in I spun the engine over with the starter until the oil pressure light went out. This took about 3 cycles of 30-45 seconds each. I put the injectors in and when installing the injection lines I dropped one of the injector pipe rubber dampners on the ground. When I went under the car to retrieve it there was a big pool of oil under the crank pulley. I only had time to pull the timing belt cover and the timing belt was soaked in oil.

I'll pull the valve cover, and if necessary the rest of the belts and crank pulley next weekend and see what happened. There's only a few places it could be leaking: valve cover gasket (it's the rubber/metal one piece and maybe I didn't get the front rubber piece in place), the cam seal (it's new and didn't appear to be leaking from there since I could see the seal through the sheetmetal cover) and the main crank seal (I'm thinking it's probably this since the seal didn't seem to go in far enough even though it bottomed out against its seat).

When I purchased the crank seal I purchased two of them in case I destroyed one on installation. The one I put in was a little thicker than the one I saved, probably a little over 1/4 inch. The one I saved was a little under 1/4. After pressing it into place the outer lip didn't seem to seal tight on the shaft. It also may be that I pushed the seal in to far and the seal lip that goes towards the crankshaft has rolled back and just will not seal.

Any other ideas prior to me pulling this apart next weekend?
__________________
J.D. in Reno
1958 Mercedes 180D (rebuilding now)
1985 VW Jetta 1.6TD
1985 Volvo 745 Wagon 2.4TD (sold but still maintain it)
1987 VW Quantum Syncro 2.2 (converting to 2.0TD)
1996 TDI Passat
1997 Chevy 3/4 ton 6.5TD
2006 V10 TDI Touareg

Last edited by Nevadan; 04-08-2013 at 06:13 AM. Reason: Added "rubber/metal" & seal lip description.
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