Before A/C efficiency test, satisfy following conditions:
1. Provide a MoDiC or DIS. Safeguard electrical system integrity by checking
the fault memory (no faults
in the fault memory).
2. Provide a t
WARNING: Although R 134a at normal temperature is non-toxic,
non-flammable and
not explosive in air in any mixture ratio, it is still essential to follow
various safety precautions.
The filled refrig
IMPORTANT: It is absolutely essential to read and comply with the
equipment manufacturer's
instructions for use provided in the equipment case!
Read and comply with the instructions for use provided
WARNING: Danger of poisoning if oil is ingested/absorbed through the
skin!
Risk of injury if oil comes into contact with eyes and skin!
Scalding hazard!
This work may only be carried out on an exhaust system which has
cooled down.
IMPORTANT: Adhere to the utmost cleanliness. Do not allow any dirt
With regard to the N54 engine, the air intake ducting plays a significant role
due to the requirements of a
turbocharged engine.
In principle, the energy of the escaping exhaust gases is utilized to
"pre-compress" the inducted fresh air and
thus introduce a greater air mass into the engine. This