Valve Cover: Service and Repair
Cylinder Head Cover
Special tools, testers and auxiliary items required
• Spring Type Clip Pliers (VAS 5024 A)
• Ignition Coil Puller (T40039)
Removing
- Remove the engine cover/upper air filter housing. Refer to => [ Engine Cover/Upper Air Filter Housing ] Engine Cover/Upper Air Filter Housing.
- Remove the bolts - arrows -.
- Remove the ignition coils with power output stage. Refer to => [ Ignition Coil with Power Output Stage ] Service and Repair.
- Disconnect the Evaporative Emission (EVAP) line from the cylinder head cover - 1 -.
- Remove the crankcase ventilation valve bolts - arrows - from the cylinder head cover.
- Remove the vent tube bolts - 1 -, vent tube and heat shield from the turbocharger.
- Disconnect the vent hose - 2 - from the cylinder head cover.
- Loosen the cylinder head cover bolts starting from the outside and working toward the inside.
- Remove the cylinder head cover.
Installing
Install in reverse order of removal. Note the following:
• Replace the cylinder head cover seals if they are damaged.
- Tighten the cylinder head cover bolts following the specified sequence in several steps.
- Make sure the upper toothed belt guard is installed correctly.
For the correct tightening specifications, refer to => [ Cylinder Head Overview ] Cylinder Head Overview
Tightening Specifications
1 Install use locking fluid