For 1990-2009 cars only
- Install the NEW oil filter bypass valve. Seat the valve fully below the bypass valve hole chamfer.
- Install the oil filter adapter (1) and gasket.
- Apply threadlocker P/N 21485277 to the bolt threads if required.
- Install the oil filter adapter bolts and tighten to 25 N·m (18 lb ft).
- Install the oil filter adapter heat shield (2).
- Install the oil filter adapter heat shield nuts and tighten to 25 N·m (18 lb ft).
- Install the oil filter and tighten to 30 N·m (22 lb ft).
Caution: Maximum gasket performance is achieved when using new fasteners, which contain a thread-locking patch. If the fasteners are not replaced, a thread locking chemical must be applied to the fastener threads. Failure to replace the fasteners or apply a thread-locking chemical MAY reduce gasket sealing capability.
Caution: Refer to Fastener Caution in the Preface section.
