The problem with the PF48 oil filters is well known, but I have not seen anything in print that using the PF63 is the official GM solution.
Has anyone seen or rec'd further instructions on this issue.
I thought that the new part number was to remedy the leaky-ness ??
~ gt
Leaky PF48 Oil Filters
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Leaky PF48 Oil Filters
by greenthumb-38 » Fri Mar 20, 2015 6:10 pm
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