63. Engine Block Plug Installation
Engine Block Plug InstallationTools Required
* J41712 Oil Pressure Switch Socket
Notice: Refer to Fastener Notice in Service and Precautions.
Fastener Notice
1. Apply sealant GM P/N 12346004, (Canadian P/N 10953480), or equivalent to the threads of the coolant hole plug.
2. Install the engine coolant hole plug into the block.
Tighten the engine coolant hole plug to 60 Nm (40 lb ft).
3. Apply sealant GM P/N 12346004 (Canadian P/N 10953480), or equivalent to the threads of the engine block heater, if applicable.
4. Install the engine block heater into the block.
Tighten the engine block heater to 50 Nm (37 lb ft).
5. Apply sealant GM P/N 12346004, (Canadian P/N 10953480), or equivalent to the threads of the oil gallery plugs.
6. Install the engine block top oil gallery plugs.
Tighten the top oil gallery plugs to 20 Nm (15 lb ft).
7. Apply sealant GM P/N 12346004, (Canadian P/N 10953480), or equivalent to the threads of the oil gallery plug.
8. Install the engine block left side oil gallery plug.
Tighten the left oil gallery plug to 30 Nm (22 lb ft).
9. Apply sealant GM P/N 12346004, (Canadian P/N 10953480), or equivalent to the threads of the oil gallery plugs.
10. Install the front oil gallery plugs.
Tighten the front oil gallery plugs to 30 Nm (22 lb ft).
11. Apply sealant GM P/N 12346004, (Canadian P/N 10953480), or equivalent to the threads of the oil gallery plugs.
12. Install the rear oil gallery plugs.
Tighten the rear oil gallery plugs to 20 Nm (15 lb ft).
13. Apply sealant GM P/N 12346004, (Canadian P/N 10953480), or equivalent to the threads of the engine block oil cooler hose fittings.
14. Install the engine block oil cooler hose fittings.
Tighten the engine block oil cooler hose fittings to 23 Nm (17 lb ft).
Important: Do not overtighten the knock sensor.
15. Install the left knock sensor to the engine block.
Tighten the left knock sensor to 20 Nm (15 lb ft).
16. Install the left side knock sensor shield
17. Install the left side knock sensor shield bolts.
Tighten the left side knock sensor shield bolts to 12 Nm (106 lb in).
Important: Do not overtighten the knock sensor.
18. Install the right knock sensor to the engine block.
Tighten the right side knock sensor to 20 Nm (15 lb ft).
19. Apply sealant GM P/N 12346004, (Canadian P/N 10953480), or equivalent to the threads of the engine block coolant drain hole plugs.
20. Install the engine block coolant drain hole plugs.
Tighten the coolant drain hole plugs to 30 Nm (22 lb ft).
21. Apply sealer GM P/N 12377901, (Canadian P/N 10953504), to the outside diameter of the new camshaft rear bearing hole plug.
22. Install the NEW camshaft rear bearing hole plug to the proper depth of (A) 7.600 - 6.200 mm (0.299 - 0.244 inch).
23. Apply sealant GM P/N 12346004, (Canadian P/N 10953480), or equivalent to the threads of the oil pressure sensor.
24. Install the oil pressure sensor.
Tighten Using the J41712, tighten the oil pressure sensor to 30 Nm (22 lb ft).