Valve Rocker Arm Cover Replacement. Opel Sintra 1997

For 1990-2009 cars

## Valve Rocker Arm Cover Replacement Left Front

### Removal Procedure

1. Disconnect the battery ground (negative) cable. Refer to

   Caution: Unless directed otherwise, the ignition and start switch must be in the OFF or LOCK position, and all electrical loads must be OFF before servicing any electrical component. Disconnect the negative battery cable to prevent an electrical spark should a tool or equipment come in contact with an exposed electrical terminal. Failure to follow these precautions may result in personal injury and/or damage to the vehicle or its components.

   in General Information.
2. Drain the engine coolant. Refer to Cooling and Radiator.
3. Remove the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement .
4. Remove the left (front) spark plug wires. Refer to Ignition System.
5. Remove the automatic transaxle vacuum modulator pipe. Refer to Automatic Transaxle On-Vehicle Service.
6. Remove the right engine mount strut at the engine. Refer to Engine Mount Strut Bracket Replacement .
7. Remove the PCV valve from the left (front) valve rocker arm cover. Refer to Engine Controls.
8. Remove the thermostat bypass pipe. Refer to HVAC.
9. Remove the left (front) valve rocker arm cover bolts.
10. Remove the left (front) valve rocker arm cover.
11. Remove the left (front) valve rocker arm cover gasket.
12. Clean the valve rocker arm cover.
13. Clean the valve rocker arm cover gasket sealing surfaces on the cylinder head and the lower intake manifold.

### Installation Procedure

1. Install a new left (front) valve rocker arm cover gasket.

Important: Apply sealant GM P/N 12345739 or equivalent at the cylinder head to lower intake manifold joint.

2. Install the left (front) valve rocker arm cover.

Hand tighten the left (front) valve rocker arm cover bolts.

Tighten
Tighten the bolts to 10 N·m (89 lb in).

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.

3. Install the thermostat bypass pipe. Refer to HVAC.
4. Install the PCV valve to the left (front) valve rocker arm cover. Refer to Engine Controls.
5. Install the right engine mount strut at the engine. Refer to Engine Mount Strut Bracket Replacement .
6. Connect the automatic transaxle vacuum modulator pipe. Refer to Automatic Transaxle On-Vehicle Service.
7. Install the left (front) spark plug wires. Refer to Ignition System.
8. Install the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement .
9. Fill the cooling system with coolant. Refer to Cooling and Radiator.
10. Connect the battery ground (negative) cable. Refer to Battery.

## Valve Rocker Arm Cover Replacement Right Rear

### Removal Procedure

1. Disconnect the battery ground (negative) cable. Refer to

   Caution: Unless directed otherwise, the ignition and start switch must be in the OFF or LOCK position, and all electrical loads must be OFF before servicing any electrical component. Disconnect the negative battery cable to prevent an electrical spark should a tool or equipment come in contact with an exposed electrical terminal. Failure to follow these precautions may result in personal injury and/or damage to the vehicle or its components.

   in General Information.
2. Remove the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement .
3. Remove the drive belt. Refer to Drive Belt Replacement .
4. Remove the generator braces. Refer to Charging System.
5. Remove the generator. Refer to Charging System.
6. Remove the generator bracket. Refer to Charging System.
7. Remove the right (rear) spark plugs. Refer to Ignition System.
8. Remove the ignition coil bracket with the coils, the purge solenoid and the vacuum canister solenoid. Refer to Engine Controls.
9. Remove the vacuum hose from the air duct at the right (rear) valve rocker arm cover. Refer to Engine Controls.
10. Remove the right (rear) valve rocker arm cover bolts.
11. Remove the right (rear) valve rocker arm cover.
12. Remove the right (rear) valve rocker arm cover gasket.
13. Clean the valve rocker arm cover.
14. Clean the valve rocker arm cover gasket sealing surfaces on the cylinder head and the lower intake manifold.

### Installation Procedure

1. Install the new right (rear) valve rocker arm cover gasket.

Important: Apply sealant GM P/N 12345739 or equivalent at the cylinder head to lower intake manifold joint.

2. Install the right (rear) valve rocker arm cover.

Hand tighten the right (rear) valve rocker arm cover bolts.

Tighten
Tighten the bolts to 10 N·m (89 lb in).

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.

3. Install the vacuum hose to the air duct at the right (rear) valve rocker arm cover. Refer to Engine Controls.
4. Install the ignition bracket with coils, the purge solenoid and the vacuum canister solenoid. Refer to Engine Controls.
5. Install the right (rear) spark plugs. Refer to Ignition System.
6. Install the generator bracket. Refer to Charging System.
7. Install the generator. Refer to Charging System.
8. Install the generator braces. Refer to Charging System.
9. Install the drive belt. Refer to Drive Belt Replacement .
10. Install the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement .
11. Connect the battery ground (negative) cable. Refer to Battery.