Hi Larry,

I had the same thing happen on my Syncro (although this could happen
on any Vanagon).  From a list member I was told to clean it up and
put silicone sealer around the cap to keep it tight.  I found out
about this AFTER I had regreased and bolted the 1/2 shaft back in
place so I will do this in 15-20K miles or so.

I spoke to my local mechanic and he said that he would be able to
replace the tranny seal which may be going - thus the leaking.  I
looked in Bentley and it appears to be a royal PITA just to replace
this seal around the axle shaft out of the differential.  I'll take
my chances and add oil to the tranny thank you very much.

Good luck.

Joel
89 Syncro Westy
Rochester NY.
--- Lawrence Johnson <larry_avery.johnson@SYMPATICO.CA> wrote:
> I need some advice:
>
> Today I went to remove the right rear half shaft from our syncro
> Westfalia and was anointed with a mixture of gear oil and CV
> grease. The
> seal cap #091 301 189, which caps the differential and is between
> it and
> the CV joint, was out of position. I examined the seal cap and it
> appears to be undamaged. My question is, can I just tap it back
> firmly
> in place or do I need to get a new one? Does anyone have any clue
> why
> the cap should have come loose in the first place? It this
> indicative of
> something else at fault?
>
> Thanks in advance,
> Larry
> '86 Syncro Westfalia and Doublecab

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