Notes
WARNING: Risk of scalding!
Only perform this repair work after engine has cooled down.
Protective measures/rules of conduct
Wear safety goggles
Wear protective gloves
Observe national/countr
Notes
WARNING: Risk of scalding!
The repair work on the cooling system should only be carried out on an
engine that has cooled down!
IMPORTANT: Lifetime coolant filling:
Never reuse used coolant!
When
REMOVING AND INSTALLING/REPLACING TELEMATIC CONTROL UNIT (TCU)
(SA633/SA639)
IMPORTANT: Read and comply with notes on protection against electrical
damage (ESD
PROTECTION).
NOTE: Comply with notes and instructions on HANDLING OPTICAL WAVEGUIDES.
Necessary preliminary tasks
Clamp off BATTERY NEGAT
Necessary preliminary tasks
Remove INSTRUMENT PANEL TRIM
Position of actuator drive:
OVERVIEW OF ACTUATOR DRIVES ON HEATING AND AIR-CONDITIONING UNIT
Release screws (1) and remove grounding cable.
Installation note:
Replace screws (1).
Take off holder (2).
Fig. 53: Identifying Holder And Screws