61. Engine Block Plug Installation

Engine Block Plug Installation
^ Tools Required
- J 41712 Oil Pressure Switch Socket or equivalent





1. Important:
^ Engine block plug, oil gallery and coolant, sealing washers may be used again if not bent, scored or otherwise damaged.
^ Apply the proper amount and type of sealant to the sealing washer as recommended in the service procedure.

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, if applicable.

2. Notice: Refer to Fastener Notice in Service Precautions.

Install the engine block coolant heater to the engine block, if applicable.
^ Tighten the block coolant heater to 40 Nm (30 lb ft).





3. 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 coolant drain hole plug sealing washer, if applicable.
4. Install the engine block left front coolant drain hole plug, if applicable.
^ Tighten the block left front coolant drain hole plug to 60 Nm (44 lb ft).





5. 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.
6. Install the engine block right rear coolant drain hole plug.
^ Tighten the block right rear coolant drain hole plug to 60 Nm (44 lb ft).





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 front oil gallery plug sealing washer.
8. Install the engine block left front oil gallery plug.
^ Tighten the block left front oil gallery plug to 60 Nm (44 lb ft).





9. 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.
10. Install the engine block left rear oil gallery plug.
^ Tighten the block left rear oil gallery plug to 60 Nm (44 lb ft).





11. 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.
12. Lubricate the O-ring seal with clean engine oil.
13. Install the 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.





14. Important: The engine block front oil gallery plug should not be removed unless service is required.

Apply threadlock GM P/N 12345382 (Canadian P/N 10953489) to the sides of the NEW front oil gallery plug.
15. Install a NEW engine block front oil gallery plug, if required. Install the front oil gallery plug into the oil gallery bore 2.2-2.8 mm (0.0086-0.011 inch) below flush.





16. Apply sealant to the threads of the oil pressure sensor.
17. Use the J 41712 or equivalent in order to install the oil pressure sensor.
^ Tighten the oil pressure sensor to 20 Nm (15 lb ft).