Tools Required

J 41712  Oil Pressure Switch Socket

Fig 1: View Of Engine Coolant Drain Hole Plug
Courtesy of GENERAL MOTORS CORP.
1. Apply sealant GM P/N 12346004 (Canadian P/N 10953480), or equivalent to the threads of the engine coolant drain hole plug.
NOTE: Refer to Fastener Notice in Cautions and Notices.
2. Install the engine coolant drain hole plug into the block.

   Tighten:  Tighten the engine coolant drain hole plug to 60 N.m (40 lb ft).

Fig 2: View Of Engine Block Coolant Heater
Courtesy of GENERAL MOTORS CORP.
3. Apply sealant GM P/N 12346004 (Canadian P/N 10953480), or equivalent to the threads of the engine block coolant heater, if applicable.
4. Install the engine block coolant heater into the block.

   Tighten:  Tighten the engine block coolant heater to 50 N.m (37 lb ft).

Fig 3: View Of Top Oil Gallery Plugs
Courtesy of GENERAL MOTORS CORP.
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:  Tighten the top oil gallery plugs to 20 N.m (15 lb ft).

Fig 4: View Of Engine Block Left Oil Gallery Plug
Courtesy of GENERAL MOTORS CORP.
7. Apply sealant GM P/N 12346004 (Canadian P/N 10953480), or equivalent to the threads of the left side oil gallery plug.
8. Install the engine block left side oil gallery plug.

   Tighten:  Tighten the left side oil gallery plug to 30 N.m (22 lb ft).

Fig 5: View Of Front Oil Gallery Plugs
Courtesy of GENERAL MOTORS CORP.
9. Apply sealant GM P/N 12346004 (Canadian P/N 10953480), or equivalent to the threads of the front oil gallery plugs.
10. Install the front oil gallery plugs.

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

Fig 6: View Of Rear Oil Gallery Plugs
Courtesy of GENERAL MOTORS CORP.
11. Apply sealant GM P/N 12346004 (Canadian P/N 10953480), or equivalent to the threads of the rear oil gallery plugs.
12. Install the rear oil gallery plugs.

    Tighten:  Tighten the rear oil gallery plugs to 20 N.m (15 lb ft).

Fig 7: View Of Engine Block Oil Cooler Hose Fittings
Courtesy of GENERAL MOTORS CORP.
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:  Tighten the engine block oil cooler hose fittings to 23 N.m (17 lb ft).

Fig 8: View Of Left Side Knock Sensor
Courtesy of GENERAL MOTORS CORP.
IMPORTANT: Do not overtighten the knock sensor.
15. Install the left knock sensor to the engine block.

    Tighten:  Tighten the left knock sensor to 20 N.m (15 lb ft).

Fig 9: View Of Left Side Knock Sensor Heat Shield & Bolts
Courtesy of GENERAL MOTORS CORP.
16. Install the left side knock sensor heat shield.
17. Install the left side knock sensor heat shield bolts.

    Tighten:  Tighten the bolts to 12 N.m (106 lb in).

Fig 10: View Of Right Side Knock Sensor, Heat Shield & Bolts
Courtesy of GENERAL MOTORS CORP.
IMPORTANT: Do not overtighten the knock sensor.
18. Install the right knock sensor (719) to the engine block.

    Tighten:  Tighten the right side knock sensor to 20 N.m (15 lb ft).

19. Install the right side knock sensor heat shield (720) and bolts (721).

    Tighten:  Tighten the bolts to 12 N.m (106 lb in).

Fig 11: View Of Engine Block Coolant Drain Hole Plug
Courtesy of GENERAL MOTORS CORP.
20. Apply sealant GM P/N 12346004 (Canadian P/N 10953480), or equivalent to the threads of the engine block coolant drain hole plugs.
21. Install the engine block coolant drain hole plugs.

    Tighten:  Tighten the coolant drain hole plugs to 30 N.m (22 lb ft).

Fig 12: View Of Camshaft Rear Bearing Hole Plug
Courtesy of GENERAL MOTORS CORP.
22. Apply sealer GM P/N 12377901 (Canadian P/N 10953504), to the outside diameter of the new camshaft rear bearing hole plug.
Fig 13: View of Camshaft Rear Bearing Hole Plug Depth
Courtesy of GENERAL MOTORS CORP.
23. Install the NEW camshaft rear bearing hole plug to the proper depth of (a) 6.2-7.6 mm (0.244-0.299 in).
Fig 14: Removing & Installing Oil Pressure Sensor Using J 41712
Courtesy of GENERAL MOTORS CORP.
24. Apply sealant GM P/N 12346004 (Canadian P/N 10953480), or equivalent to the threads of the oil pressure sensor.
25. Install the oil pressure sensor.

    Tighten:  Using the J 41712  (1), tighten the oil pressure sensor to 30 N.m (22 lb ft).