64 53 691 Replacing line from evaporator to condenser (N54)
Risk of injury!
Refrigerant circuit is under high pressure!
Follow safety instructions for HANDLING R 134A REFRIGERANT .
Avoid contact with refrigerant and refrigerant oil.
Follow safety instructions for HANDLING REFRIGERANT OIL .
Risk of damage!
Restart engine only when A/C system has been correctly filled.
Follow INSTRUCTIONS for opening and replacing parts in refrigerant circuit.
If A/C system is opened for more than 24 hours:
Necessary preliminary tasks:
- DRAWING OFF, EVACUATING AND FILLING THE A/C SYSTEM are not included in the time value given for this work operation
- Remove FRESH AIR DUCT
- Release expansion tank and place to one side
- Remove vacuum tank and holder
Do not place front panel center section (2) on jump start terminals.
Do not kink Bowden cables for engine hood locking.
Release screws (1).
Remove front panel center section (2) in direction of arrow and place to one side.
Feed out rubber grommet (1).
Release nut (2) and detach refrigerant lines (3 and 4) in direction of arrow.
Installation note:
Make sure rubber grommet (1) is correctly seated.
Replace sealing rings and moisten with refrigerant oil.
Tightening torque 64 53 7AZ .
Expose refrigerant line up to condenser connection.
Release nuts (1) and remove holder (2).
Release screw (1) and remove refrigerant line (2).
Feed refrigerant line (2) out of engine compartment.
Installation note:
Replace sealing rings and moisten with refrigerant oil.
Tightening torque 64 53 6AZ .
Replacement:
Modify SAFETY PRESSURE SWITCH .
After installation:
- Evacuate and fill A/C SYSTEM