58. Engine Block Plug Installation
Engine Block Plug Installation^ Tools Required
- J 41712 Oil Pressure Switch Socket
Caution: Refer to Safety Glasses Caution in Service Precautions.
1. Install the transmission locator pins, if required. A properly Installed transmission locator pin will protrude 12.7 mm (0.5 inch) from the rear face of the engine block.
2. Apply sealant GM P/N United States 12346004, GM P/N Canada 10953480, or equivalent, to the outside diameter of the NEW camshaft rear bearing hole expansion cup plug.
3. Install the NEW camshaft rear bearing hole expansion cup plug.
4. Install the crankshaft rear oil seal housing locator S type pin.
5. Apply sealant GM P/N United States 12346004, GM P/N Canada 10953480, or equivalent, to the threads of the left side rear and left rear top engine oil gallery plugs.
Notice: Refer to Fastener Notice in Service Precautions.
6. Install the left side rear and left rear top oil engine
7. Apply sealant GM P/N United States 12346004, GM P/N Canada 10953480, or equivalent, to the threads of the square socket engine block oil gallery plugs.
8. Install the square socket plugs.
^ Tighten the square socket plugs to 20 Nm (15 ft. lbs.).
9. Apply sealant GM P/N United States 12346004, GM P/N Canada 10953480, or equivalent to the outside diameter of the NEW engine oil gallery plugs.
10. Install the NEW engine block oil gallery plugs.
A properly Installed engine oil gallery plug must be Installed below flush with the front face of the engine block.
11. Apply threadlock GM P/N United States 12345382, GM P/N Canada 10953489, or equivalent, to the outside diameter of the NEW engine block core hole plugs.
12. Install the NEW engine block core hole plugs.
A properly Installed engine block core hole plug must be Installed flush or below the bottom of the chamfer (1) of the engine block core hole.
13. Apply sealant GM P/N United States 12346004, GM P/N Canada 10953480, or equivalent, to the threads of the engine block coolant drain hole plug.
14. Install the engine block coolant drain hole plug.
^ Tighten the engine block coolant drain hole plug to 20 Nm (15 ft. lbs.).
15. Apply sealant GM P/N United States 12346004, GM P/N Canada 10953480, or equivalent, to the threads of the engine oil pressure sensor fitting.
Important: Do not loosen the oil pressure sensor fitting after the initial torque has been obtained.
16. Install the engine oil pressure sensor fitting.
^ Tighten the engine oil pressure sensor fitting to 15 Nm (11 ft. lbs.)
Important: Do not rotate the engine oil pressure sensor fitting more than 359 degrees after the initial torque has been obtained.
17. Rotate the engine oil pressure sensor fitting clockwise to the proper position (1), 50 degrees from the centerline (2).
18. Apply sealant GM P/N United States 12346004, GM P/N Canada 10953480, or equivalent, to the threads of the engine oil pressure gage sensor.
19. Install the engine oil pressure gage sensor using the J 41712.
^ Tighten the engine oil pressure gage sensor to 30 Nm (22 ft. lbs.).
20. Apply sealant GM P/N United States 12346004, GM P/N Canada 10953480, or equivalent, to the threads of the knock sensor.
21. Install the knock sensor.
^ Tighten the knock sensor to 19 Nm (14 ft. lbs.).