Removal Procedure
- Disconnect the negative battery cable. Refer to
Battery Negative Cable Disconnection and Connection
in Engine Electrical.
- Remove the fuel injector sight shield. Refer to
Fuel Injector Sight Shield Replacement
.
- Remove the drive belt tensioner. Refer to
Drive Belt Tensioner Replacement
.
- Remove the right side spark plug wires from the spark plugs. Refer to
Spark Plug Wire Replacement
in Engine Controls - 3.8L.
- Remove the right side engine lift bracket bolt and the nut.
- Remove the right side engine lift bracket.
- Remove the fuel injector sight shield bracket nuts.
- Remove the fuel injector sight shield bracket.
- Remove the right side valve rocker arm cover bolts.
Important: If the valve rocker arm cover adheres to the cylinder head, remove the valve rocker arm cover by bumping the end of the valve rocker arm cover with the palm of your hand or a soft rubber mallet.
- Remove the right side valve rocker arm cover.
- Remove the right side valve rocker arm cover gasket.
- Clean the valve rocker arm cover mating surface.
- Clean the valve rocker arm cover bolts of all thread locking adhesive.
Installation Procedure
- Install the new valve rocker arm cover gasket. Ensure that the valve rocker arm cover gasket is seated properly in the valve rocker arm cover groove.
- Install the right side valve rocker arm cover.
- Apply thread lock compound GM P/N 12345493 (Canadian P/N 10953488) or equivalent to the valve rocker arm cover bolt threads.
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 bolts.
Tighten
Tighten the bolts to 10 N·m (89 lb in).
- Install the fuel injector sight shield bracket to the exhaust manifold studs.
- Install the fuel injector sight shield bracket nuts.
Tighten
Tighten the nuts to 30 N·m (22 lb ft).
- Install the right side engine lift bracket.
- Install the right side engine lift bracket bolt and the nut.
Tighten
Tighten the bolt and the nut to 30 N·m (22 lb ft).
- Install the right side spark plug wires to the spark plugs. Refer to
Spark Plug Wire Replacement
in Engine Controls - 3.8L.
- Install the drive belt tensioner. Refer to
Drive Belt Tensioner Replacement
.
- Install the fuel injector sight shield. Refer to
Fuel Injector Sight Shield Replacement
.
- Connect the negative battery cable. Refer to
Battery Negative Cable Disconnection and Connection
in Engine Electrical.
- Check and fill crankcase as necessary
- Inspect for oil leaks.