Removing the intake plenum
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: SAFETY INSTRUCTIONS ON HANDLING HYBRID CARS .
- For additional information see: NOTES ON REPAIR OF HIGH-VOLTAGE BATTERY UNIT .
WARNING:
Hot fluids.
Risk of scalding!
Risk of scalding!
- Conduct all work in the vehicle wearing appropriate personal protective equipment only.
WARNING:
Hot surfaces.
Risk of burning!
Risk of burning!
- Perform all work only on components that have cooled down.
Preliminary work
- Refer to REMOVING FLAP IN LUGGAGE COMPARTMENT TRIM PANEL ON RIGHT
- Refer to DE-ENERGIZE THE HIGH-VOLTAGE SYSTEM
- Refer to CHECK THAT NO VOLTAGE IS APPLIED
- Refer to DISCONNECTING THE NEGATIVE BATTERY CABLE (STARTER UNIT BATTERY)
- Refer to REMOVING BATTERY COVER IN TRUNK
- Refer to DISCONNECTING THE NEGATIVE BATTERY CABLE OF THE SYSTEM BATTERY
- Refer to BRING FRONT COMPARTMENT LID IN THE SERVICE POSITION
- Refer to REMOVING THE ACOUSTIC COVER
- Refer to REMOVING THE SEAL FOR THE HOOD REAR
- Refer to REMOVING LEFT AND RIGHT WIPER ARM .
- 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 COWL COVER .
- Refer to REMOVING THE TENSION STRUT AT THE SHOCK TOWER ON THE LEFT AND RIGHT .
- Refer to REMOVING THE FIRE WALL UPPER PART .
- Refer to REMOVING ACOUSTIC COVER AT REAR .
- Refer to REMOVING RESONATOR .
- Refer to REMOVING THE DME CONTROL UNIT .
- Refer to REMOVING THE INTEGRATED POWER SUPPLY MODULE (PDM) .
- Refer to REMOVING CONTROL UNIT BRACKET .
- Refer to REMOVING THE FRONT UNDERBODY PROTECTION .
- Refer to REMOVING THE CENTER UNDERBODY PROTECTION .
- Refer to DRAIN THE COOLANT FROM THE LOW-TEMPERATURE COOLING SYSTEM .
- Refer to CONNECTING THE COOLANT HOSE OF THE LOW-TEMPERATURE COOLANT CIRCUIT .
- Refer to REMOVING TANK VENT VALVE .
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:
RISK OF DAMAGE
Damage to wires when disconnecting connectors and plug connections.
Sheared wires can cause a short circuit.
Damage to wires when disconnecting connectors and plug connections.
Sheared wires can cause a short circuit.
- Do not pull on wires when disconnecting connectors and plug connections.
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 plug connection (1) and disconnect.
- Unlock plug connection (2) and disconnect.
- Unlock and loosen clamp (3).
- Remove screws (arrows).
- Feed out charge air line (1) and place to one side.
- Loosen screw (1).
- Guide tank ventilation line (2) out of clamp (3) and remove it.NOTE: TECHNICAL INFORMATION The tension rod screws and mounting bolts from the connecting neck on the intake plenum are not allowed to be opened.
- Do not release screws (1).
- Release the clamping collar (1) with the special tool 0 495 794 (17 2 050) .
- Guide out the coolant hose (2) and remove it.
- Catch and dispose of escaping coolant.
- Unlock the locks (arrows).
- Feed out the wiring harness section (3) for the sensor system 2 and set it aside.
- Unlock lock (1).
- Thread out holder (2) and set aside.
- Unlock plug connection (1) and disconnect.
- Loosen screw (2).
- Unlock the locks (arrows).
- Feed out the wiring harness section (1) for the injectors and ignition coils and put to one side.
- Loosen clamp (1).
- Feed out the wiring harness section (2) for the injectors and ignition coils and put to one side.
- Guide tank ventilation line (1) out of clamp (2) and place it aside.
- Loosen clamp (1).
- Feed out the wiring harness section (2) for the sensor system 1 and set it aside.
- Loosen screw (1).
- Unlock plug connection (1) and disconnect.
- Unlock the locks (arrows).
- Feed the tank ventilation line (1) out and set it aside.
- Unlock and release the coolant feed line (1).
- Catch and dispose of escaping coolant.NOTE: TECHNICAL INFORMATION Additional coolant can leakage. Make sure that no coolant enters the intake port of the cylinder head.
- Loosen screws in the order (5) to (1).
- Guide out the intake plenum (A) and remove it.
- Empty the remaining coolant (2) from the intake plenum (1).
NOTE:
TECHNICAL INFORMATION
The tension rod screws and mounting bolts from the connecting neck on the intake plenum are not allowed to be opened.
The tension rod screws and mounting bolts from the connecting neck on the intake plenum are not allowed to be opened.
- Do not release screws in the marked area
on the intake plenum (1).NOTE: TECHNICAL INFORMATION The tension rod screws and mounting bolts from the connecting neck on the intake plenum are not allowed to be opened.
- Do not release screws in the marked area on the intake plenum (1).