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 in) bead of sealant GM P/N 12346004
(Canadian P/N 10953480) or equivalent to the engine block
coolant heater sealing washer, if applicable. Refer to
Sealers, Adhesives, and Lubricants
.
Notice: Refer to Fastener Notice in the Preface section.
- Install the engine block coolant heater to the engine block, if applicable.
Tighten
Tighten the block coolant heater to 40 N·m (30 lb ft).
- Apply a 3.175 mm (0.125 in) bead
of sealant GM P/N 12346004 (Canadian P/N 10953480)
or equivalent to the engine block left rear coolant drain plug sealing
washer, if applicable.
- Install the engine block left rear coolant drain plug, if applicable.
Tighten
Tighten the block left rear coolant drain plug to 60 N·m
(44 lb ft).
- Apply a 3.175 mm (0.125 in) bead of sealant GM P/N 12346004
(Canadian P/N 10953480) or equivalent to the engine block
right rear coolant drain plug sealing washer.
- Install the engine block right rear coolant drain plug.
Tighten
Tighten the block right rear coolant drain plug to 60 N·m
(44 lb ft).
- Apply a 3.175 mm
(0.125 in) bead of sealant GM P/N 12346004 (Canadian P/N 10953480)
or equivalent to the engine block left front oil gallery plug sealing
washer.
- Install the engine block left front oil gallery plug.
Tighten
Tighten the block left front oil gallery plug to 60 N·m
(44 lb ft).
- Apply a 3.175 mm
(0.125 in) bead of sealant GM P/N 12346004 (Canadian P/N 10953480)
or equivalent to the engine block left rear oil gallery plug sealing washer.
- Install the engine block left rear oil gallery plug.
Tighten
Tighten the block left rear oil gallery plug to 60 N·m
(44 lb ft).
- 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.
- Lubricate the O-ring seal with clean engine oil.
- 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 in)
beyond the rear face of the block.
Important: The engine block front oil gallery plug should not be removed unless
service is required.
- Apply sealant GM P/N 12345382 (Canadian P/N 10953489)
or equivalent to the sides of the NEW front oil gallery plug.
- 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 in) below flush.
- Apply sealant GM P/N 12346004
(Canadian P/N 10953480) or equivalent to the threads of the
oil pressure sensor.
- Use the J 41712
or equivalent in order to install the oil pressure sensor.
Tighten
Tighten the oil pressure sensor to 20 N·m (15 lb ft).