Engine Block Assemble
- Install the drain plug in the water pump.
- Apply GM P/N 12346004 (Canadian P/N 10953480), or equivalent, to the plug before installation.
- Install the coolant jacket plugs and tighten 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 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 the oil passage plugs to 35 N·m (26 lb ft).
- Lubricate the crankshaft position (CKP) sensor O-ring with clean engine oil.
- Install the CKP sensor and bolt and tighten to 10 N·m (89 lb in).
- Install the oil pressure switch and tighten to 26 N·m (19 lb ft).
- Install the knock sensors and bolts. Tighten the knock sensor bolts to 25 N·m (18 lb ft).
- Install the piston oil nozzle assemblies.
- Install the piston oil nozzle assembly bolts and tighten to 15 N·m (11 lb ft).