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Changing the pinion seal is not a difficult task, but it does require experience and some special tools. There is a “crushable sleeve” that also should be changed at the same time, and the new one has to be adjusted to a specific “torque of rotation” setting to keep the mesh of the pinion and the ring gear correct. Making an error in this setting will lead to a nasty whine from the rear end, and the need for major repairs to the differential. You can read about this in your factory service manual – don’t attempt this without the manual!
The benefit is very small (elimination of the spots on your garage floor). The amount of fluid loss is usually extremely small – if you check the differential grease each time you lube the car, you will have no difficulty keeping the level up, and it is a much easier way to go with your problem.
Dick Benjamin (with spots under his 287,000 mile 1947 P*K*RD for over 39 years now, and still dripping!).
From:
mailing-list-owner@xxxxxxxxxxxxxxxx
[mailto:mailing-list-owner@xxxxxxxxxxxxxxxx] On
Behalf Of MarcoloP@xxxxxxx
Hey guys,
Been out enjoying this wonderful weather in Ohio and decided to catch up on the E-mails. Got a question that maybe someone can help with. I was under the ol' Imperial the other day, by the way- four post lifts are a miracle of engineering genius, and I saw a few drips from the rear end. The car has a few years on her, 1957 was her birth year, and I wondered what it would take to replace / repair her drip. I found the drip to be coming from the rear end. Not the bolts around the "pumpkin" but rather the seal at the pinion and univeral mount. I would suspect that I would need to remove the drive shaft, and pull off the driveshaft mount that connects to the pinion gear. I have never had one apart, so I was wondering if my logic was correct. Are there any tricks besides lots of luck, a favorite beverage, and prayer to the auto gods that the piece will come off with great ease? Any help from someone that has fixed this problem before would be helpful.
Or the second solution, keep an eye on the gear oil since it just drips, enjoy the summer and resort to a winter project. Yet my garage floor is still pretty shiny, and I do hate leaks!!
Thanks for any help
Ryan in Ohio 1957 Imperial Crown 2 door hdtp |
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