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
REMOVING AND INSTALLING/REPLACING COOLANT THERMOSTAT (N63)
WARNING: Risk of scalding!
Only perform this work after engine has cooled down.
Recycling
Catch and dispose of drained coolant in a suitable collecting vessel.
Observe country-specific waste disposal regulations.
Necessary preliminary work
Caring for special components
Light-alloy wheels
When cleaning the vehicle, use only neutral
wheel cleaners having a pH value from 5 to 9. Do
not use abrasive cleaning agents or steam jets
above 140 ℉/60 ℃. Follow the manufacturer's
instructions.
Aggressive, acidic or alkaline cleaning agents c