For 1990-2009 cars only
Cleaning Procedure
- Clean the oil filter adapter components with non-corrosive solvent.
- Dry the oil filter adapter components with compressed air.
Caution: Refer to Safety Glasses Caution in the Preface section.
Inspection Procedure
- Inspect the oil filter housing for cracks, scoring, casting imperfections (1) and damaged threads (3).
- Inspect the drain back valve (2) for damage or blockage.
- Inspect the oil filter cap for cracks, scoring, casting imperfections (1) and damaged threads (2). Replace as necessary.
- Inspect the oil filter cap O-ring (3) for damage. Replace as necessary.
- If the O-ring is damaged, carefully remove the O-ring using a tool that will not damage the oil filter cap O-ring groove. If the oil filter cap O-ring groove is damaged the oil filter cap must be replaced.
- Inspect the bypass valve (1) for damage or blockage.
Important: The internal parts of the oil filter adapter are not serviced separately. If wear or damage is noted, replace the entire oil filter adapter assembly.
