Removal Procedure
- Remove the oil filter.
 
- Remove the pipe plugs from the oil filter adapter (4WD only).
 
- Remove the bolts from the oil filter adapter (4WD only).
 
- Remove the oil filter adapter seal (4WD only).
 
- Remove the oil filter adapter (4WD only). For 2WD refer to 
Engine Block Disassemble 
.
 
- For oil bypass valve removal procedure, refer to 
Engine Block Disassemble 
.
 
Installation Procedure
- For oil bypass valve installation procedure, refer to 
Engine Block Assemble 
.
 
- Install the oil filter adapter and seal (4WD only). For 2WD refer to 
Engine Block Assemble 
.
 
- Install the oil filter adapter bolts.
 
Tighten
Tighten the bolts to 20 N·m (18 lb ft).
- Coat the oil filter adapter pipe plug threads with pipe sealant
with Teflon® GM P/N 12346004 or equivalent.
 
- Install the oil filter adapter pipe plugs.
 
Tighten
Tighten the plugs to 12 N·m (106 lb in).
- Install the oil filter.
 
- Add engine oil as needed.