Tools Required

J 41712 Oil Pressure Switch Socket

Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

1. Install the front camshaft oil gallery plugs. Use GM P/N United States 12346004, GM P/N Canada 10953480, or the equivalent, on the threads.

Tighten
Tighten the plugs until they are completely seated.

2. Install the oil cooler line fittings. Use GM P/N United States 12346004, GM P/N Canada 10953480, or the equivalent, on the threads.

Tighten
Tighten oil cooler line fittings to 57 N·m (43 lb ft).




3. Install the side oil gallery plugs.

Tighten
Tighten oil gallery plugs to 34 N·m (25 lb ft).




4. Install the remaining oil gallery plugs. An oil gallery plug is located inside the rear main bearing cap land. Use GM P/N United States 12346004, GM P/N Canada 10953480, or the equivalent, on the threads.

Tighten
Tighten oil gallery plugs to 34 N·m (25 lb ft).

5. Install the engine oil pressure sensor switch.

Tighten
Tighten oil pressure switch using J 41712 , to 12 N·m (9 lb ft).

6. Install the cup plugs and the block heater. Use GM P/N United States 12377901, GM P/N Canada 10953504, or the equivalent, on the cup plugs.
7. Install the coolant drain plugs. Use GM P/N United States 12346004, GM P/N Canada 10953480, or the equivalent, on the threads.

Tighten
Tighten the coolant drain plugs to 25 N·m (18 lb ft).