Valve Rocker Arm Cover Replacement Right Rear

Caution: Before servicing any electrical component, the ignition and start switch must be in the OFF or LOCK position and all electrical loads must be OFF, unless instructed otherwise in these procedures. If a tool or equipment could easily come in contact with a live exposed electrical terminal, also disconnect the negative battery cable. Failure to follow these precautions may cause personal injury and/or damage to the vehicle or its components.

1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection
2. Remove the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement
3. Remove the generator. Refer to or Generator Replacement
4. Remove the engine mount struts. Refer to and Engine Mount Strut Replacement
5. Rotate the engine for access.
6. Remove the EVAP purge solenoid and the brace. Refer to EVAP Canister Purge Valve Replacement
7. Remove the right spark plug wires. Refer to Spark Plug Wire Harness Replacement



8. Remove the right 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.

9. Remove the right valve rocker arm cover.
10. Remove the right valve rocker arm cover gasket.
11. Clean the sealing surface on the cylinder head and the valve rocker arm cover with a degreaser.
12. Clean the valve rocker arm cover bolts of all thread locking adhesive.

1. Install the new valve rocker arm cover gasket. Make sure that the valve rocker arm cover gasket is seated properly in the valve rocker arm cover groove.
2. Install the right valve rocker arm cover.
3. Apply thread lock compound GM P/N 1234593 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.

4. Install the right valve rocker arm cover bolts.

Tighten
Tighten the right valve rocker arm cover bolts to 10 N·m (89 lb in).

5. Install the EVAP purge solenoid and the brace. Refer to EVAP Canister Purge Valve Replacement
6. Install the right spark plug wires. Refer to Spark Plug Wire Harness Replacement
7. Return the engine to the proper position.
8. Install the engine mount struts. Refer to Engine Mount Strut Replacement and Engine Mount Strut Replacement .
9. Install the generator. Refer to Generator Replacement or Generator Replacement in Engine Electrical.
10. Install the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement .
11. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
12. Check for proper fluid levels.
13. Check for oil leaks.

Valve Rocker Arm Cover Replacement Left Front

Caution: Before servicing any electrical component, the ignition and start switch must be in the OFF or LOCK position and all electrical loads must be OFF, unless instructed otherwise in these procedures. If a tool or equipment could easily come in contact with a live exposed electrical terminal, also disconnect the negative battery cable. Failure to follow these precautions may cause personal injury and/or damage to the vehicle or its components.

1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.



2. Remove the engine lift bracket from the exhaust manifold studs.
3. Remove the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement .
4. Remove the right engine mount strut bracket. Refer to Engine Mount Strut Replacement .
5. Disconnect the left spark plug wires. Refer to Spark Plug Wire Harness Replacement in Engine Electrical.
6. Remove the left spark plug wire cover from the left valve rocker arm cover. Refer to Spark Plug Wire Harness Replacement in Engine Electrical.



7. Remove the left 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 palm of hand or with a soft rubber mallet.

8. Remove the left valve rocker arm cover.
9. Remove the left valve rocker arm cover gasket.
10. Clean the sealing surface on the cylinder head and the valve rocker arm cover with a degreaser.
11. Clean the valve rocker arm cover bolts of all thread locking adhesive.

1. Install the new valve rocker arm cover gasket. Make sure that valve rocker arm cover gasket is seated properly in the valve rocker arm cover groove.
2. Install the left valve rocker arm cover.
3. Apply thread lock compound GM P/N 12345493 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.

4. Install the left valve rocker arm cover bolts.

Tighten
Tighten the left valve rocker arm cover bolts to 10 N·m (89 lb in).

5. Install the left spark plug wire cover to the left valve rocker arm cover. Refer to Spark Plug Wire Harness Replacement in Engine Electrical.
6. Connect the left spark plug wires. Refer to Spark Plug Wire Harness Replacement in Engine Electrical.
7. Install the right engine mount strut bracket. Refer to Engine Mount Strut Replacement .
8. Install the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement .



9. Install the engine lift bracket to the exhaust manifold studs.

Tighten
Tighten the engine lift bracket bolt and nut to 30 N·m (22 lb ft).

10. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
11. Inspect for proper fluid levels.
12. Inspect for oil leaks.