65. Engine Block Plug Installation

NOTICE: Refer to Fastener Notice in Service Precautions.





1. Install the front camshaft oil gallery plugs. Use GM part number 12345493, or the equivalent, on the threads.
^ Tighten the plugs until they are completely seated.
2. Install the oil cooler line fittings. Use GM P/N 12346004, or the equivalent, on the threads.
^ Tighten oil cooler line fittings to 57 Nm (43 ft. lbs.).





3. Install the side oil gallery plugs.
^ Tighten oil gallery plugs to 34 Nm (25 ft. lbs.)





4. Install the remaining oil gallery plugs. An oil gallery plug is located inside the rear main bearing cap land. Use GM P/N 12346004, or the equivalent, on the threads.
^ Tighten oil gallery plugs to 34 Nm (25 ft. lbs.)
5. Install the engine oil pressure sensor switch.
6. Install the cup plugs and the block heater. Use GM P/N 12345493, or the equivalent, on the cup plugs.
7. Install the coolant drain plugs.
^ Tighten the coolant drain plugs to 25 Nm (18 ft. lbs.)