62. Engine Block Plug Installation
Engine Block Plug Installation
1. Important: Engine block plug, oil gallery, and coolant sealing washers may be used again if not bent, scored or otherwise damaged.
Apply a 3.175 mm (0.125 inch) bead of sealant GM P/N 12346004 (Canadian P/N 10953480) to the engine block coolant heater sealing washer (115), if applicable. Refer to Sealers, Adhesives, and Lubricants.
2. Notice: Refer to Fastener Notice.
Install the engine block coolant heater (114) to the engine block.
^ Tighten the engine block coolant heater to 50 Nm (37 ft. lbs.).
3. Apply a 3.175 mm (0.125 inch) bead of sealant GM P/N 12346004 (Canadian P/N 10953480) to the engine block right rear coolant drain hole plug sealing washer.
4. Install the engine block right rear coolant drain hole plug.
^ Tighten the engine block right rear coolant drain hole plug to 60 Nm (44 ft. lbs.).
5. Apply a 3.175 mm (0.125 inch) bead of sealant GM P/N 12346004 (Canadian P/N 10953480) to the engine block left front oil gallery plug sealing washer (117).
6. Install the engine block left front oil gallery plug (116).
^ Tighten the engine block left front oil gallery plug to 60 Nm (44 ft. lbs.).
7. Apply a 3.175 mm (0.125 inch) bead of sealant GM P/N 12346004 (Canadian P/N 10953480) to the engine block left rear oil gallery plug sealing washer (113).
8. Install the engine block left rear oil gallery plug (112).
^ Tighten the engine block left rear oil gallery plug to 60 Nm (44 ft. lbs.).
9. Inspect the engine block rear oil gallery plug and O-ring seal. If the O-ring seal on the plug is not cut or damaged, the rear oil gallery plug may be used again.
10. Lubricate the O-ring seal with clean engine oil.
11. Install the O-ring seal onto the plug.
12. Install the engine block rear oil gallery plug into the oil gallery bore. A properly installed block plug will protrude 0.8 - 1.4 mm (0.0315 - 0.055 inch) beyond the rear face of the block.
13. Apply threadlock GM P/N 12345382 (Canadian P/N 10953489) to the sides of the NEW front oil gallery plug (101).
14. Install a NEW engine block front oil gallery plug. Install the plug into the oil gallery bore 2.2 - 2.8 mm (0.0086 - 0.011 inch) below flush.
15. Install the left side knock sensor (718) and bolt (739).
^ Tighten the bolt to 20 Nm (15 ft. lbs.).
16. Install the right side knock sensor (718) and bolt (739).
^ Tighten the bolt to 20 Nm (15 ft. lbs.).