Releasing the VANOS central valve of the intake adjuster
WARNING:
Working on 12 V electrical system
.
Risk of short circuits! Risk of fire!
Risk of short circuits! Risk of fire!
- Make sure that there is no charger connected to the jump start terminal in the engine compartment.
- Detach battery ground lead from battery.
- For auxiliary batteries: Detach battery minus cables from all auxiliary batteries.
Preliminary work
- Refer to DISCONNECTING THE NEGATIVE BATTERY CABLE OF THE SYSTEM BATTERY .
- Refer to REMOVING SUSPENSION CROSS-BRACE .
- Refer to REMOVING THE ACOUSTIC COVER .
- Refer to REMOVING THE UPPER FIREWALL COVER PANEL .
- Refer to IF INSTALLED: PARTIALLY REMOVING THE ENGINE VENTILATION LINE .
- Refer to REMOVING IGNITION COILS .
- Refer to REMOVING ALL SPARK PLUGS .
- Refer to REMOVING THE INTAKE MANIFOLD FOR INTAKE SILENCER HOUSING .
- Refer to REMOVING INTAKE SILENCER HOUSING .
- Refer to REMOVING THE REAR BULKHEAD .
- Refer to REMOVING CLEAN AIR PIPE .
- Refer to REMOVING BOTH ACTUATORS .
- Refer to REMOVING THE HIGH PRESSURE LINE BETWEEN THE RAIL AND THE HIGH PRESSURE PUMP .
- Refer to REMOVING INJECTORS .
- Refer to REMOVING HIGH PRESSURE PUMP .
- Refer to REMOVING THE LAMBDA OXYGEN SENSOR .
- Refer to REMOVING THE OXYGEN SENSOR MONITOR .
- Refer to REMOVING HEAT SHIELD AT UPPER EXHAUST TURBOCHARGER .
- Refer to REMOVING THE CYLINDER HEAD COVER .
- Refer to REMOVING FRONT RIGHT WHEEL .
- Refer to REMOVING THE FRONT RIGHT WHEEL ARCH COVER .
- Refer to REMOVING THE FRONT UNDERBODY PROTECTION .
- Refer to BLOCKING ENGINE IN TDC FIRING POSITION .
- Refer to REMOVING CHAIN TENSIONER .
- To release the VANOS central valve (1)
, use reversible ratchet (2)
from special tool 0 496 855
with special tool 2 450 487
.
- Release the VANOS central valve (1) of the intake camshaft adjuster.