Observe the following conditions prior to the A/C performance test
1. Provision of a diagnosis system. Safeguard electrical system integrity by
checking the fault memory (no
faults in the fault memor
WARNING: Only persons in possession of a professional certificate
of competence for the maintenance and repair of heating and air conditioning
systems are authorized to carry out repair work on the
Work on the refrigerant circuit may only be carried out by experts!
Avoid all contact with liquid or gaseous R 134a. Wear safety goggles and
gloves when working on the
refrigerant circuit.
Follow S
CHECKING BRAKE DISCS
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. 57: Checking Brake Surf
Concept
The jam protection prevents objects or body
parts from becoming jammed between the roof
and glass sunroof while the glass sunroof is closing.
General information
If a resistance or blockage is detected while the
glass sunroof is closing, the closing operation is
interrupted once the roof rea