- Install the drain plug in the water pump.
- Apply GM P/N 12346004 (Canadian P/N 10953480) or equivalent to the plug before installation.
Notice: Refer to Fastener Notice in the Preface section.
- Install the coolant jacket plugs.
Tighten
Tighten the coolant jacket plug to 35 N·m (26 lb ft).
- Install the rear oil passage plugs.
- Apply GM P/N 12346004 (Canadian P/N 10953480) or equivalent to the plugs before installation.
Tighten
Tighten the oil passage plug to 60 N·m (44 lb ft).
- Install the other oil passage plugs.
- Apply GM P/N 12346004 (Canadian P/N 10953480) or equivalent to the plug before installation.
Tighten
Tighten the oil passage plugs to 35 N·m (26 lb ft).
- Lubricate the crankshaft position sensor O-ring with engine oil.
- Install the crankshaft position sensor and bolt.
Tighten
Tighten the crankshaft position sensor bolt to 10 N·m (89 lb in).
- Install the oil pressure switch.
Tighten
Tighten the oil pressure switch to 22 N·m (16 lb ft).
- Install the knock sensor and bolt.
Tighten
Tighten the knock sensor bolt to 25 N·m (18 lb ft).
- Install the piston oil squirters.
- Install the piston oil squirter bolts.
Tighten
Tighten the piston oil squirter bolts to 15 N·m (11 lb ft).