Removing auxiliary coolant pump for the exhaust turbocharger
WARNING:
High-voltage system.
The high-voltage system operates on the basis of hazardous, electrical voltage and high currents. Mortal hazard through electric shock!
The high-voltage system operates on the basis of hazardous, electrical voltage and high currents. Mortal hazard through electric shock!
- All work on the high-voltage system may only be carried out by specially trained and technically experienced personnel.
- For additional information see:
- For additional information see:
Preliminary work
- Refer to REMOVING THE ACOUSTIC COVER .
- Refer to REMOVING RESONATOR .
- Refer to REMOVING CLEAN AIR PIPE .
- Refer to REMOVING CHARGE AIR LINE .
- Refer to REMOVING THE FRONT UNDERBODY PROTECTION OR FRONT THRUST FIELD .
- Refer to REMOVING THE FRONT THRUST FIELD .
- Refer to DRAINING THE COOLANT FROM THE HIGH-TEMPERATURE COOLING SYSTEM .
- Refer to REMOVING THE ACOUSTIC COVER FOR THE ENGINE AT THE FRONT .
- Unlock coolant hose (1) and detach.
- Unlock and disconnect connector (2)
.
- Unscrew the bolts (1) and remove the auxiliary coolant pump (2) .
WARNING:
High-voltage system.
The high-voltage system operates on the basis of hazardous, electrical voltage and high currents. Mortal hazard through electric shock!
The high-voltage system operates on the basis of hazardous, electrical voltage and high currents. Mortal hazard through electric shock!
- All work on the high-voltage system may only be carried out by specially trained and technically experienced personnel.
- For additional information see:
- For additional information see:
WARNING:
Hot surfaces.
Risk of burning!
Risk of burning!
- Perform all work only on components that have cooled down.
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 REMOVING THE ACOUSTIC COVER .
- Refer to REMOVING THE COVER FOR THE CENTER ENGINE COMPARTMENT .
- Refer to REMOVING BOTH FRONT-END STRUTS .
- Refer to REMOVING FRONT CROSS CONNECTION (FRONT-END STRUT REMOVED) .
- Refer to REMOVING THE REAR TOP CROSS CONNECTION .
- Refer to REMOVING FAN COWL .
- Refer to REMOVING THE FRONT UNDERBODY PROTECTION OR FRONT THRUST FIELD .
- Refer to REMOVING THE UNDERBODY PROTECTION OF THE STEERING GEAR AND THRUST FIELD RESPECTIVELY .
- Refer to DRAINING THE COOLANT FROM THE HIGH-TEMPERATURE COOLING SYSTEM .
- Refer to CONNECTING THE COOLANT LINE OF HIGH-TEMPERATURE COOLANT CIRCUIT .
NOTE:
RISK OF DAMAGE
Non-visible damage to the coolant pump.
Forcibly removing, installing or dropping the coolant pump down will damage it.
Non-visible damage to the coolant pump.
Forcibly removing, installing or dropping the coolant pump down will damage it.
- Remove and install the coolant pump without damaging it and without applying external force.
- Avoid impacts/knocks to the coolant pump (e.g. by tools, falling down, hard contact with base).
- Replace coolant pump after being dropped or hard impacts/knocks.
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: NOTES ON ESD (ELECTROSTATIC DISCHARGE) PROTECTION .
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.
- Unlock and release the plug connection (1) .
- Unlock and loosen coolant line (2) .
- Catch and dispose of leakage coolant.
- Loosen nut (1) .
- Guide the retainer (2)
out of the marked
area and remove.
- Feed out the auxiliary coolant pump (1)
from the retainer (2)
and place to one side.
- Unlock and loosen coolant line (1) .
- Catch and dispose of leakage coolant.
- Feed out and remove auxiliary coolant pump (2) .