Releasing the VANOS central valve of the intake adjuster
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WARNING:
Hot surfaces.
Risk of burning!
Risk of burning!
- Perform all work only on components that have cooled down.
WARNING:
Working on fuel system.
Risk of fire! Danger of explosion!
Risk of fire! Danger of explosion!
- When working on the fuel system, make sure the workstation has sufficient ventilation, e.g., by means of extraction.
- Tightly seal off open lines and connections; collect any leakage fuel directly at the point of exit.
- No fire, sparks, open flames or smoking.
CAUTION:
On releasing high pressure line, fuel may emerge at high speed.
Injury hazard!
Injury hazard!
- Wear suitable personal protective equipment.
- Before performing any installation work, allow cooling system to cool down to less than 40°C.
- Note warnings on cylinder head cover.
NOTE:
TECHNICAL INFORMATION
Collect and dispose of emerging fluids. Observe country-specific waste disposal regulations.
Collect and dispose of emerging fluids. Observe country-specific waste disposal regulations.
Preliminary work
- Refer to MOVING THE HOOD TO THE SERVICE POSITION .
- Refer to DEACTIVATING THE 48 V ELECTRICAL SYSTEM .
- Refer to DEACTIVATING ELECTRICAL SYSTEM .
- Refer to REMOVING THE COVER OF THE ENGINE COMPARTMENT AT THE REAR LEFT .
- Refer to REMOVING THE COVER OF THE REAR RIGHT ENGINE COMPARTMENT .
- Refer to REMOVING THE SEAL FOR THE HOOD REAR .
- Refer to REMOVING LEFT AND RIGHT WIPER ARM .
- Refer to REMOVING THE COWL COVER .
- Refer to REMOVING THE TENSION STRUT AT THE SHOCK TOWER ON THE LEFT AND RIGHT .
- Refer to REMOVING THE FIREWALL UPPER PART .
- Refer to REMOVING RIGHT SEALING FRAME .
- Refer to REMOVING THE SECOND FIREWALL AT THE BOTTOM .
- Refer to REMOVING THE ACOUSTIC COVER .
- Refer to REMOVING ACOUSTIC COVER AT REAR .
- Refer to REMOVING RESONATOR .
- Refer to REMOVING THE FRONT ACOUSTIC COVER FOR THE ENGINE .
- Refer to REMOVING THE CYLINDER HEAD COVER ACOUSTIC COVER .
- Refer to REMOVING THE IGNITION COIL .
- Refer to REMOVING ALL SPARK PLUGS .
- Refer to REMOVING THE HIGH PRESSURE LINE BETWEEN THE HIGH PRESSURE PUMP AND THE RAIL .
- Refer to REMOVING THE RAIL WITH INJECTORS .
- Refer to REMOVING FUEL DELIVERY LINE .
- Refer to REMOVING HIGH PRESSURE PUMP .
- Refer to REMOVING THE HOLDER OF THE POSITIVE BATTERY CABLE .
- Refer to REMOVING THE HEAT SHIELD AT THE CYLINDER HEAD .
- Refer to REMOVING BOTH ACTUATORS .
- Refer to REMOVING THE CYLINDER HEAD COVER .
- Refer to REMOVING THE FRONT UNDERBODY PROTECTION .
- Refer to REMOVING THE CENTER UNDERBODY PROTECTION .
- Refer to REMOVING REAR UNDERBODY PROTECTION .
- Refer to RELEASING THE EPS WIRING HARNESS FROM THE ELECTROMECHANICAL STEERING GEAR .
- Refer to BLOCKING ENGINE IN TDC FIRING POSITION .
- Refer to REMOVING CHAIN TENSIONER .
- Have the special tool 0 496 855
ready.
- Have the special tool 2 450 487
ready.
- Have the special tool 2 469 138
ready.
- Keep the following special tools and standard tools ready:
Number Description 1 Standard torque wrench 2 Wrench socket set 2 450 487 . 3 Reversible ratchet 0 496 855 . 4 Commercially available reduction 5 adapted 2 469 138 - Assemble all the special tools and commercially available tools as shown.NOTE: The figure shows the rear of the engine.
- Release the VANOS central valve (1)
of the intake adjuster.