Engine >> OIL FILTER ADAPTOR LEAKS ON GM 2.8L ENGINES

Engine >> OIL FILTER ADAPTOR LEAKS ON GM 2.8L ENGINES

Oil Filter Adaptor Leaks On
2.8L (173 CID) Chrysler (AMC) Engines


Chrysler (AMC) has reported that close inspection of oil leaks
around the oil filter must be made to determine the exact source
of the leak. Possible causes of the leak are the oil filter
itself, a loose oil filter adaptor retaining bolt or a warped oil
filter adaptor base. The following steps should be followed to
correct this problem:

1. After removing the oil filter, remove the oil filter
adaptor (A) and gasket by removing the retaining bolt (B).
See Figure 1.

2. Clean oil residue from the cylinder block and oil filter
adaptor mating surfaces.

3. Check the adaptor mating surface for warpage (see Figure
2). Replace the adaptor if warpage exceeds .008 (.2mm)
with AMC part #8983 500 836.

4. Install the adaptor on the cylinder block using AMC
gasket #8983 500 839 or equivalent and retaining bolt seal
#8983 500 838 or equivalent. Tighten the retaining bolt to
30-40 ft. lbs. (40-60 N·m).

(Insert 2 Illustrations)
The AERA Technical Committee


March 1987 - SB 141

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