66. Engine Block Plug Installation

Engine Block Plug Installation






Notice: Refer to Fastener Notice .

1. Install the threaded oil gallery plugs.

Tighten the oil gallery plugs to 30 N.m (22 lb ft).





2. Apply sealant GM P/N 12346004 (Canadian P/N 10953480) or equivalent to the threads of the engine block heater.
3. Install the engine block heater.

Tighten to 50 N.m (37 lb ft).





4. Install the remaining oil gallery plugs using GM P/N 12346004 (Canadian P/N 10953480) or the equivalent.




5. Apply sealant GM P/N 12346004 (Canadian P/N 10953480) or the equivalent to the threads of the knock sensor.
6. Install the knock sensors.

Tighten the knock sensors to 18 N.m (13 lb ft).

7. Install the knock sensor heat shield and bolts, if applicable.

Tighten the knock sensor heat shield bolts to 50 N.m (37 lb ft).