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pinion/spider gear bearings...HALP!

In message <970704200448_-957821683@emout11.mail.aol.com> Sdbigelow@aol.com writes:

> My 84 5k PJ (plain jane) has been making some nasty whiney/whirry noises on
> acceleration and cruise, silent on overrun. My mechanic sez pinion or spider
> gear bearings, after crawling underneath with stethescope. 6 hours re/re,
> plus a used diff, plus rebuilding if needed, plus, plus, plus.

Checked the differential oil level (17mm Allen)?
The filler is in the side of the differential, roughly level with the axle.  
The approved lubricants come in bottles with delivery tubes built in - take the 
filler out, insert the tube, and squeeze until the stuff runs out of the hole.

Otherwise, your mechanic's theory sounds good.
 Phil Payne
 Committee Member, UK Audi [ur-]quattro Owners Club