Removing the electrical wastegate valve controller for the exhaust turbocharger for cylinders 4 to 6
WARNING:
Hot surfaces
Risk of burning!
Risk of burning!
- Perform all work only on components that have cooled down
Preliminary work
- Refer to REMOVING SUSPENSION STRUT BRACE .
- Refer to REMOVING THE FRONT-END STRUT .
- Refer to REMOVING THE RIGHT INTAKE FILTER HOUSING (FRONT-END STRUT REMOVED) .
- Refer to PARTIALLY REMOVING THE COOLANT EXPANSION TANK OF THE HIGH-TEMPERATURE COOLANT CIRCUIT .
Electrical wastegate valve controller for exhaust turbocharger cylinders 4 to 6
WARNING:
Hot surfaces
Risk of burning!
Risk of burning!
- Perform all work only on components that have cooled down
NOTE:
RISK OF DAMAGE
Electrostatic discharge
Damage to or destruction of electrical components
Electrostatic discharge
Damage to or destruction of electrical components
- Leave the electrical components in their original packaging until they are being installed. Only use the original packaging for returning the product. Always package removed components straight away
- Read and comply with user information on using the associated special tool 12 7 060
- Only tap the housings of electrical components. Do not tap pins or multi-pin connectors directly
- Wear electrically conductive clothing and antistatic shoes (with ESD symbol)
- For additional information see: 61 35... NOTES on ESD (electrostatic discharge) protection
NOTE:
RISK OF DAMAGE
Damage to the electrical controller drive and the mechanical connection
Improper handling of the electrical controller drive can lead to malfunctions or failure of the electrical controller drive
Damage to the electrical controller drive and the mechanical connection
Improper handling of the electrical controller drive can lead to malfunctions or failure of the electrical controller drive
- Do not release the screw connection between the wastegate linkage and the control rod on the wastegate valve controller and do not twist it
- Avoid exposure of lateral forces to the control rod of the electrical controller drive
- Remove all the screws on the electrical controller drive before the control rod on the wastegate linkage is detached
- Have the special tool 2 469 240 ready
- Unlock plug connection (1) and disconnect
- Unlock the lock (1)
- Feed out the safety pin (2) with standard pliers (3) in the direction of arrow
and remove it
- Release the screws (1) with the special tool 2 469 240
- Carefully
detach the control rack (1) of the electric wastegate valve actuator (3) from the pin on the lever of the wastegate valve (2)
In the process, any effect of transverse force on the control rack (1) is to be avoided
- Guide out the electrical wastegate valve controller (3) from the bore of the compressor housing and remove it