Caution: Wear safety glasses in order to avoid eye damage.
- Install a NEW oil filter bypass valve.
1.1. | Install the oil filter bypass valve into the oil gallery bore
until slightly below flush with the surface of the engine block. |
1.2. | Using a pointed punch, stake the engine block area around the
oil filter bypass valve. |
Stake in 3 locations 120 degrees
apart.
- Apply sealant GM P/N 12346004
(Canadian P/N 10953480) or equivalent, to the outside diameter
of the NEW front engine oil gallery plugs.
- Install the NEW front engine block oil gallery plugs.
A properly installed front engine oil gallery plug must be installed slightly
below flush with the front face of the engine block.
- Apply threadlock GM P/N 12345382
(Canadian P/N 10953489) or equivalent, to the outside diameter
of the NEW engine block core hole plugs.
- 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.
- Install the crankshaft
rear oil seal housing locator spring type S pin, if required.
- Apply sealant GM P/N 12346004
(Canadian P/N 10953480) or equivalent, to the outside diameter
of the NEW expansion cup plug.
- Install the NEW expansion cup plug into the balance shaft rear
bearing hole.
- Apply sealant GM P/N 12346004
(Canadian P/N 10953480) or equivalent, to the outside diameter
of the NEW expansion cup plug.
- Install the NEW expansion cup plug into the camshaft rear bearing
hole.
- Apply sealant GM P/N 12346004
(Canadian P/N 10953480) or equivalent, to the threads of the
engine block right rear oil gallery plug, the engine block left rear
oil gallery plug, and the engine block left side oil gallery plug.
Notice: Use the correct fastener in the correct location. Replacement fasteners
must be the correct part number for that application. Fasteners requiring
replacement or fasteners requiring the use of thread locking compound or sealant
are identified in the service procedure. Do not use paints, lubricants, or
corrosion inhibitors on fasteners or fastener joint surfaces unless specified.
These coatings affect fastener torque and joint clamping force and may damage
the fastener. Use the correct tightening sequence and specifications when
installing fasteners in order to avoid damage to parts and systems.
- Install the engine block right rear oil gallery plug, the engine block
left rear oil gallery plug, and the engine block left side oil gallery
plug.
Tighten
• | Tighten the engine block left side oil gallery plug and the engine
block right rear oil gallery plug to 20 N·m (15 lb ft). |
• | Tighten the engine block left rear oil gallery plug to 30 N·m
(22 lb ft). |
- Install the transmission
locator dowel straight pins, if required.
- Install the left side
cylinder head locator dowel pins, if required.
- Install the right side
cylinder head locator dowel pins, if required.
- Apply sealant GM P/N 12346004
(Canadian P/N 10953480) or equivalent, to the threads of the
engine block coolant drain hole plugs.
- Install the engine block coolant drain hole plugs.
Tighten
Tighten the engine block coolant hole plugs to 20 N·m (15 lb ft).
- If reusing the engine
oil pressure sensor fitting, apply sealant GM P/N 12346004
(Canadian P/N 10953480) or equivalent, to the threads
of the engine oil pressure sensor fitting.
Important: Do not loosen the engine oil pressure fitting after the initial torque
has been obtained.
- Install the engine oil pressure sensor fitting.
Tighten
Tighten the engine oil pressure sensor fitting to 15 N·m
(11 lb ft).
Important: Do not rotate the engine oil pressure fitting clockwise more than 359 degrees
after the initial torque has been obtained.
- Rotate the engine oil pressure sensor fitting clockwise to the proper
position (1), 50 degrees from the centerline (2).
- If reusing the engine
oil pressure gage sensor, apply sealant GM P/N 12346004, (Canadian P/N 10953480)
or equivalent, to the threads of the engine oil pressure gage sensor.
- Install the engine oil pressure gage sensor using the J 41712
.
Tighten
Tighten the engine oil pressure gage sensor to 30 N·m (22 lb ft).
- Install the knock sensor (2).
- Install the knock sensor retaining bolt (1).
Tighten
Tighten the knock sensor to 25 N·m (18 lb ft).