Remove all ignition coils
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 .
Preliminary work
- Refer to REMOVING THE ACOUSTIC COVER .
- Refer to RELEASING THE SERVICE OPENING IN SOUND INSULATION ON TOP OF ENGINE .
NOTE:
The description is for one component only. The procedure is identical for all further components.
Removing the ignition coil
WARNING:
Hot surfaces
.
Risk of burning!
Risk of burning!
- Perform all work only on components that have cooled down.
NOTE:
RISK OF DAMAGE
Damage to the ignition coil .
The silicone hose of the ignition coil must not be contaminated by fuel as this can lead to failure of the ignition coil .
Damage to the ignition coil .
The silicone hose of the ignition coil must not be contaminated by fuel as this can lead to failure of the ignition coil .
- When working on the fuel system, cover the ignition coils with suitable materials and remove where required.
- Do not oil or grease the silicone tube of the spark plug socket. Do not use any protection or maintenance products (e.g. silicone spray, rubber care products, rust remover, etc.).
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 PROTECTION (ELECTRO STATIC DISCHARGE) .
- Unlock plug connection (1)
and disconnect.
- Unlock connector (1)
(arrow) and disconnect from the holder (2)
.
- Unlock plug connection (1) and disconnect.
- Loosen screw (2) .
- Remove ignition coil (3) .