<VV> Oil leak on the 90 degree adaptor

Frank DuVal corvairduval at cox.net
Sun Apr 10 14:21:11 EDT 2011


Hand tightened the filter with a filter wrench? If using a PF-4, I have 
never used a filter wrench on these, even with the 90° adapter. The 
filter is held stationary and the bolt is tightened.

I do not think the large rubber gasket on the PF-4 style filters was 
designed with spinning it on in mind like "spin on" oil filters.

Frank DuVal

On 4/10/2011 1:13 PM, Stephen Upham wrote:
> After replacing the gaskets and oil filter on the 90 degree adaptor, I
> still have a tiny leak (one or two drops on the floor after running
> the car).  I can put my finger on the bottom of the sealing edge of
> the filter and see small amounts of oil on my finger.  I know that the
> source is not the horizontal bolt gasket.  It has to be between the
> seal of the filter and the adaptor or perhaps the seal on the piece
> that fits between the filter and the adaptor.  It is the part that
> comes off in two pieces (the piece that seals with the filter gasket
> and the bolt that the filter screws on to) when you take off the
> horizontal bolt. I tightened the bolt to 20 ft. lbs. and I hand
> tightened the filter using a filter wrench to the point where I
> thought was about the 15 lbs. recommended in the '65 manual.  Could I
> have over tightened the filter or is a leak in this area typical?
>


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