WARNING: Avoid contact with refrigerant and refrigerant oil.
Follow safety instructions for handling refrigerant R 134a.
Follow safety instructions for handling refrigerant oil.
IMPORTANT: Risk of d
1. Quick-connect coupling with ID marking
Fig. 79: Identifying Quick-Connect Coupling With ID Marking Components
Removing:
Push quick-connect coupling (1) against pipe (4) (thereby relieving strain on
spring (2) ).
Press plastic ring (3) into quick-connect coupling (1) and remove coupling (1).
As
As far as the physical appearance and dimensions, the crankcase on the N54 is
the same as the N52. The main
change is in the materials, the N54 uses an all aluminum alloy crankcase. There
is also cast iron cylinder liners
similar to the previous M54 engine.
The reason for using the all aluminum c