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Re: Rear Diff oil

In message <H000181b0c65a961@MHS> PATRICK_KELLY@HP-Andover-om3.om.hp.com writes:

>      I went to put some oil in the rear diff of m '87 5kSQ last night as I 
>      have leaking seals that I'm going to replace eventually.  My Bentley 
>      manual was of zero assistance in telling me where the oil goes in, how 
>      to get it in, and how much.  There are plugs all over the case that 
>      look like they could be filler plugs.  There are 3 very large socket 
>      head plugs(one on the forward bottom of the case, one on the rear 
>      bottom of the case, and one on the right side behind the CV joint that 
>      is barely visible with the fuel tank skidplate off.)

They're 17mm Allen heads.  The two at the bottom are drain plugs, and the one 
level with the driveshafts is the filler.  You need a 17mm driver similar to 
Snap-On's SAM17A.  You'll also need to apply a fair amount of torque to break 
it free if it's not been moved since the car was built.  The socket is _very_ 
shallow as it is - it's a good idea to clean it out _thoroughly_ before 
inserting the driver - and support the driver so it doesn't twist in the 
socket. Easily stripped.
Differential oil comes in bottles with long nozzles.  You remove the filler 
plug, insert the end of the nozzle through the filler hole, and squeeze.  You 
know it's full when oil starts to run down your sleeve.

 Phil Payne
 Committee Member, UK Audi [ur-]quattro Owners Club