Removing the knock sensor of cylinders 4 to 6
WARNING:
WARNING
Vehicle may slip off the vehicle hoist if the vehicle hoist is handled incorrectly. Danger! Immobilization period-threatening injuries!
Vehicle may slip off the vehicle hoist if the vehicle hoist is handled incorrectly. Danger! Immobilization period-threatening injuries!
- Observe safety instructions on raising the vehicle using a vehicle hoist.
- For additional information see: 00... Raise the vehicle using a vehicle lift.
CAUTION:
Materials harmful to health.
Contact with fluids harmful to health!
Contact with fluids harmful to health!
- Note and follow safety instructions on containers.
- Conduct all work in appropriate personal protective equipment only.
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.
NOTE:
TECHNICAL INFORMATION
Notes on work at the cooling system form the basis of these repair instructions and must be complied with at all times.
For additional information see: 17 00... Instructions for repair work on cooling system
Notes on work at the cooling system form the basis of these repair instructions and must be complied with at all times.
For additional information see: 17 00... Instructions for repair work on cooling system
NOTE:
TECHNICAL INFORMATION
When installing the knock sensors, the tightening torque must be observed.
Non-compliance with the tightening torque can lead to malfunction.
When installing the knock sensors, the tightening torque must be observed.
Non-compliance with the tightening torque can lead to malfunction.
Preliminary work
- Refer to REMOVING THE LUGGAGE COMPARTMENT FLOOR COVERING .
- Refer to DISCONNECTING THE NEGATIVE BATTERY CABLE .
- Refer to REMOVING THE ACOUSTIC COVER .
- Refer to REMOVING THE FRONT UNDERBODY PROTECTION .
- Refer to DRAINING THE COOLANT FROM THE LOW-TEMPERATURE COOLANT CIRCUIT .
- Refer to UNINSTALLING THE COVER FOR THE DME CONTROL UNIT .
- Refer to REMOVING THE INTEGRATED POWER SUPPLY MODULE (PDM) .
- Refer to DISCONNECTING THE CONNECTOR FROM THE DME CONTROL UNIT AND FROM THE POWER DISTRIBUTION BOX (PDM) .
- Refer to REMOVING THE DME CONTROL UNIT .
- Refer to REMOVING THE HOLDER FOR THE DME CONTROL UNIT .
- Refer to REMOVING THE TENSION STRUT ON THE STRUT TOWER .
- Refer to REMOVING THE SOUND INSULATION ON THE ON THE CENTER OF THE FIREWALL UPPER PART .
- Refer to REMOVING THE INTAKE PLENUM .
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
- Unlock and loosen connector (1) .
- Loosen screw (2) .
- Remove the knock sensor (3) .