- Clean the sealing surfaces on the front cover, the crankcase,
the cylinder block and the cylinder heads.
- Apply GM P/N 12346240
or equivalent to the front cover at the points indicated (1).
- Apply engine oil to the
oil seal lip (3) and the water pump O-ring (2).
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 front
cover (1) and secure with the bolts.
Tighten
Tighten the bolts to 11 N·m (7.5 lb ft).
- Apply engine oil to the O-ring of the crankshaft position (CKP)
sensor.
- Install the crankshaft position (CKP) sensor. Secure with the
bolt.
Tighten
Tighten the bolt to 6 N·m (4.5 lb ft).
- Install the upper oil pan. Refer to
Upper Oil Pan Installation
.
- Install the lower oil pan. Refer to
Lower Oil Pan Installation
.
- Install the crankshaft balancer. Refer to
Crankshaft Balancer Replacement
.
- Install the power steering pump bracket. Secure with the 3 bolts.
Tighten
Tighten the bolts to 45 N·m (32.5 lb ft).
- Install the thermostat cap. Refer to
- Install the water pump pulley.
- Install the left and right cylinder head covers. Refer to
Camshaft Cover Replacement - Left Side
and
Camshaft Cover Replacement - Right Side
.
- Install the intake manifold and throttle body. Refer to
Intake Manifold Replacement
.