Valve Rocker Arm Cover Replacement Left
Removal Procedure
- Disconnect the battery ground (negative) cable. Refer to
Battery Negative Cable Disconnection and Connection
in Engine Electrical.
- Remove the left spark plug wires. Refer to
Spark Plug Wire Harness Replacement
in Engine Electrical.
- Remove the positive crankcase ventilation (PCV) valve from the
left valve rocker arm cover.
- Remove the left engine mount strut bracket. Refer to
Engine Mount Strut Bracket Replacement
.
- Remove the left valve rocker arm cover bolts.
- Remove the left valve rocker arm cover.
- Remove the left valve rocker arm cover gasket.
- Clean the valve rocker arm cover.
- Clean the valve rocker arm cover gasket sealing surfaces on the
cylinder head and the lower intake manifold.
Installation Procedure
- Install a new left valve rocker arm cover gasket.
Important: Apply sealant GM P/N 12345739 or equivalent at the cylinder head
to lower intake manifold joint.
- Apply sealant at the cylinder head to lower intake manifold joint at
the rear of the lower intake manifold (1).
Important: Apply sealant GM P/N 12345739 or equivalent at the cylinder head
to lower intake manifold joint.
- Apply sealant at the cylinder head to lower intake manifold joint at
the front of the lower intake manifold (1).
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 left
valve rocker arm cover.
Hand tighten the left valve rocker arm cover bolts.
Tighten
Tighten the valve rocker arm cover bolts to 10 N·m (89 lb in).
- Install the left engine mount strut bracket. Refer to
Engine Mount Strut Bracket Replacement
.
- Install the positive crankcase ventilation (PCV) valve to the
left valve rocker arm cover.
- Install the left spark plug wires. Refer to
Spark Plug Wire Harness Replacement
in Engine Electrical.
- Connect the battery ground (negative) cable. Refer to
Battery Negative Cable Disconnection and Connection
in
Engine Electrical.
Valve Rocker Arm Cover Replacement Right
Removal Procedure
- Disconnect the battery ground (negative) cable. Refer to
Battery Negative Cable Disconnection and Connection
in Engine Electrical.
- Remove the drive belt. Refer to
Drive Belt Replacement
.
- Remove the generator. Refer to
Generator Replacement
in Engine Electrical.
- Remove the generator bracket. Refer to
Generator Bracket Replacement
in Engine Electrical.
- Remove the ignition coil bracket with the coils. Refer to
Ignition Coil Replacement
in Engine Controls.
- Remove the vacuum hose from the grommet in the right valve rocker
arm cover.
- Remove the right valve rocker arm cover bolts.
- Remove the right valve rocker arm cover.
- Remove the right valve rocker arm cover gasket.
- Clean the valve rocker arm cover.
- Clean the valve rocker arm cover gasket sealing surfaces on the
cylinder head and the lower intake manifold.
Installation Procedure
- Install a new right valve rocker arm cover gasket.
Important: Apply sealant GM P/N 12345739 or equivalent at the cylinder head
to lower intake manifold joint.
- Apply sealant at the cylinder head to lower intake manifold joint at
the rear of the lower intake manifold (1).
Important: Apply sealant GM P/N 12345739 or equivalent at the cylinder head
to lower intake manifold joint.
- Apply sealant at the cylinder head to lower intake manifold joint at
the front of the lower intake manifold (1).
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 right
valve rocker arm cover.
Hand tighten the right valve rocker arm cover bolts.
Tighten
Tighten the valve rocker arm cover bolts to 10 N·m (89 lb in).
- Install the vacuum hose to the grommet in the right valve rocker
arm cover.
- Install the ignition bracket with coils. Refer to Ignition Control
Module Replacement in Engine Controls.
- Install the generator bracket. Refer to
Generator Bracket Replacement
in Engine Electrical.
- Install the generator. Refer to
Generator Replacement
in Engine Electrical.
- Install the drive belt. Refer to
Drive Belt Replacement
.
- Connect the battery ground (negative) cable. Refer to
Battery Negative Cable Disconnection and Connection
in
Engine Electrical.