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Porsche 996/986 Rear Main Seal cont'd [Page > 1 2 3 4 5 6 7 ]

Another shot of the crank end without the rms in place. If you look closely you can see what I meant about no stop behind the seal. The old deformed seal. Keep in mind we deformed it to remove it, it wasn't in that bad of shape.
The old main seal does not compare to the new oen at all, it looked tired and deteriorated. The second image shows some rubber lubricant we used to make sure we could replace the rear main as easily as it came out!
Next, using a lip seal isntaller tool we carefully placed the new seal over the crank and began the re-install.
It is not as easy as it seems in these pictures. Because it is a seal, the RMS goes in tight. You must be certain that it is going in straight and even or your RMS leak problem will persist. Gently use your fingures to palce it aroudn the crank end and applying gentle force it will slowly give.
As you can clearly see the RMS is in place but not fully installed. Using a small mallet and a vast array of other tools you must evenly tap the RMS into place! Again, don't forget that there is no stop behind the Seal!
The new seal is in, perfect and even. Make sure when you re-install the seal on your car that the last rib goes around the crank. This is a lot easier said than done as I said before, take your time it is well worth it!
A picture of the old engine case bolts and the new ones with the blue loctite around them. These bolts are an update from Porsche and needed to be replaced
A small picture again of the new Porsche parts. The first 3 bolts are for the balance shaft cover plate and the other 4 are for the engien case. The steel washer is for the oil drain just in case I needed to do an oil change. I did not! Next step, loosly screw in the case bolts (x4) into the engine case. Do not tighten these yet!
Next, replace the balance shaft cover plate bolts ONE AT A TIME. I did this for ease and I did not want the cover to come off completely! Now, remember how I said there was no oil leakage at all? Well it seems all the oil was waiting at the bottom two bolts of the cover plate as when I removed them there was massive oil spillage! Watch out!
Tightening the bolts are your final step for the cover of the balance shaft. Porsche recommends 9.5 lb/ft of torque for a thier 6mm bolts. In this case I used a Snap On shorty extension so I added .5 lb/ft of torque for the discrepancy. The old bolts. They just look old.

[Page > 1 2 3 4 5 6 7 ]

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