Removing the screw plug at the cylinder head
WARNING:
Hot surfaces
.
Risk of burning!
Risk of burning!
- Perform all work only on components that have cooled down.
NOTE:
TECHNICAL INFORMATION
A hardening time of 24 h must be observed after wetting the screw with the screw locking agent.
During the hardening time, the engine must not be started.
Filling the coolant circuit is only permitted after the hardening time.
A hardening time of 24 h must be observed after wetting the screw with the screw locking agent.
During the hardening time, the engine must not be started.
Filling the coolant circuit is only permitted after the hardening time.
NOTE:
TECHNICAL INFORMATION
The repair solution differs depending on the installed screw plug (different thread pitches).
The repair solution differs depending on the installed screw plug (different thread pitches).
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 BRINGING FRONT COMPARTMENT LID IN THE SERVICE POSITION .
- Refer to REMOVING THE ACOUSTIC COVER .
- Refer to REMOVING THE CENTER ENGINE COMPARTMENT COVER .
- Refer to REMOVING BOTH FRONT-END STRUTS .
- Refer to REMOVING UPPER CROSS CONNECTION .
- Refer to REMOVING THE REAR TOP CROSS CONNECTION .
- Refer to REMOVING THE FAN COWL .
- Refer to REMOVING THE INTAKE FILTER HOUSING (TENSION STRUT ON SHOCK TOWER REMOVED) .
- Refer to REMOVING THE RESONATOR WITH THE TOP CLEAN AIR PIPE .
- Refer to REMOVING BOTTOM CLEAN AIR PIPE .
- Refer to REMOVING CHARGE AIR LINE .
- Refer to REMOVING THE LAMBDA OXYGEN SENSOR .
- Refer to REMOVING THE OXYGEN SENSOR MONITOR .
- Refer to REMOVING THE FRONT UNDERBODY PROTECTION .
- Refer to REMOVING THE UNDERBODY PROTECTION OF THE STEERING GEAR AND THRUST FIELD RESPECTIVELY .
- Refer to REMOVING THE STIFFENING PLATE .
- Refer to REMOVING REAR UNDERBODY PROTECTION .
- Refer to REMOVING THE FRONT BOTTOM RIGHT AND LEFT COVERS .
- Refer to REMOVING THE COVER OF THE STEERING ASSEMBLY .
- Refer to DRAINING THE COOLANT FROM THE HIGH-TEMPERATURE COOLING SYSTEM .
- Refer to CONNECTING THE COOLANT LINES FOR THE HIGH-TEMPERATURE COOLANT CIRCUIT .
- Refer to REMOVING THE COOLANT LINE BETWEEN THE COOLANT PUMP AND CYLINDER HEAD .
- Refer to REMOVING THE CONNECTING SUPPORT FROM THE TUNNEL .
- Refer to REMOVING THE TORSION STRUT ON THE REAR LEFT AND RIGHT .
- Refer to REMOVING THE REAR DIFFUSER .
- Refer to REMOVING COMPLETE EXHAUST SYSTEM .
- Refer to REMOVING CATALYTIC CONVERTER .
- Refer to REMOVING THE OIL RETURN LINE FOR THE EXHAUST TURBOCHARGER .
- Refer to REMOVING EXHAUST TURBOCHARGER .
Screw plug on cylinder head
NOTE:
TECHNICAL INFORMATION
The repair solution differs depending on the installed screw plug (different thread pitches).
The repair solution differs depending on the installed screw plug (different thread pitches).
- Prepare the commercially available thread arrows (1) .
Check
- Check the thread pitch (B) with the thread arrows.
Result
» Thread pitch = 1.0
Measure
- Replace cylinder head.
Check
- Check the thread pitch (A) with the thread arrows.
Result
» Thread pitch = 1.5
Measure
- Carry out the next step.
- Release the screw plugs (1) .
- Guide out and remove the screw plugs (1) .