Necessary preliminary tasks
Check wheel bearings
Lift vehicle.
Check wheel with special tool 36 1 030 (measuring fixture) for lateral runout.
Fig. 1: Checking Wheel Lateral Runout Using Special T
Necessary preliminary work
Remove WHEEL
Mount wheel in balancing machine.
To avoid retooling errors, fit the wheel on the balancing machine in the same
way as it is also fitted on the car
(valve
REMOVING AND INSTALLING/REPLACING PRESSURE SWITCH FOR NATURAL
VACUUM LEAK DETECTION (NVLD)
Necessary preliminary work:
Remove CARBON CANISTER.
Remove DUST FILTER.
Unlock and disconnect snap fastener (1).
Unfasten screws (2).
Pull off pressure switch (3) in direction of arrow.
Installation not
Necessary preliminary tasks
Remove WHEELS.
Checking thickness difference:
Measure thickness difference within brake surfaces at 8 point (spread
over the circumference) with a
micrometer gauge
Compare measurement result with setpoint value.
Fig. 6: Measuring Thickness Difference Within Bra