Remove wiring harness section for the ignition system of cylinder bank 2
WARNING:
Hot surfaces.
Risk of burning!
Risk of burning!
- Perform all work only on components that have cooled down.
WARNING:
Hot fluids.
Risk of scalding!
Risk of scalding!
- Conduct all work in the vehicle wearing appropriate personal protective equipment only.
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
Immobilization period-long fill of coolant!
Do not reuse used coolant.
When replacing and removing components which rely on the corrosion protection effect of the coolant, it is essential to change the coolant. The cooling system must therefore be emptied and refilled.
In the case of other removal work involving the draining of part quantities of coolant, the coolant level must be topped up with new coolant.
Immobilization period-long fill of coolant!
Do not reuse used coolant.
When replacing and removing components which rely on the corrosion protection effect of the coolant, it is essential to change the coolant. The cooling system must therefore be emptied and refilled.
In the case of other removal work involving the draining of part quantities of coolant, the coolant level must be topped up with new coolant.
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: 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: INSTRUCTIONS FOR REPAIR WORK ON COOLING SYSTEM .
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 DISCONNECTING ALL BATTERY GROUND LEADS .
- Refer to REMOVING THE COVER OF THE RIGHT DME CONTROL UNIT .
- Refer to REMOVING THE COVER PANEL OF THE LEFT DME CONTROL UNIT .
- Refer to REMOVING TOP CLEAN AIR PIPE .
- Refer to REMOVING THE CONTROL UNIT BRACKET FOR CYLINDERS 5 TO 8 .
- Refer to REMOVING COOLANT EXPANSION TANK .
Wiring harness section for the ignition system of cylinder bank 2
→ Removing ignition coil of cylinder bank
Prerequisite
Ignition is switched off.
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.).
- Loosen clamps (1).
- Thread cable (2) out of holders (arrows) and place to one side.
NOTE:
Schematic diagram is for example purposes. Some parts may differ in certain details.
- Unlock and disconnect the connectors (2) from the injectors with a small slotted screwdriver (1).
- Unlock the lock using a small slotted screwdriver (1) in the arrow direction. Disconnect the connector (2) on the connector housing from the injector.
- Unlock plug connection (arrow) and disconnect.
- Loosen nut (1).
- Loosen screw (2).
- Remove the cable clip (3) and put to one side.
- Loosen screws (1).
- Slowly pull the ignition coils (2) up and take them out without jerking them.
Pulling out the ignition coil with jerks may cause silicone hose to tear.
- Release the nuts in area (1).
- Feed out the ground cable (2) and remove.
- Thread out wiring harness section for the ignition system of cylinder bank (1) and remove.





