64 52 523 Removing and installing/replacing air conditioning compressor (electric A/C compressor)
Special tools required:
Refrigerant circuit is under high pressure!
Avoid contact with refrigerant and refrigerant oil.
Read and comply with safety instructions:
- Follow safety information for handling R134a refrigerant. See SAFETY INFORMATION and INSTRUCTIONS FOR HANDLING .
- HANDLING REFRIGERANT OIL
Restart engine only when A/C system has been correctly filled.
Read and comply with NOTES ON REPLACING COMPRESSOR .
Follow instructions for OPENING AND REPLACING PARTS IN REFRIGERANT CIRCUIT.
If air conditioning system is opened for more than 24 hours:
REPLACE DESICCANT INSERT FOR A/C SYSTEM.
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 RADIATOR
- Remove LEFT FRONT WHEEL (in direction of travel)
- Remove steering gear cover. See TOP RIGHT STEERING BOX COVER and BOTTOM LEFT OR RIGHT STEERING BOX COVER .
Disconnect plug connection (1). Press in pin (2). Disconnect plug connection (3).
Unscrew nut (1) and remove A/C lines and associated sealing rings.
Unfasten screws (2). While doing so, start by disconnecting lower screw marked with arrow.
Spacer sleeve (2) is located on screw (1)! Spacer sleeve (2) is secured with rubber ring against falling down. Therefore, do not pull screw (1) any further after releasing it to prevent losing spacer sleeve (2).
Installation note:
Make sure without fail to ensure that shim (2) is seated on screw (1)!
Replacement:
Modify screw (1) with spacer sleeve (2) to fit new air conditioning compressor.
Risk of damage!
Prior to removing air conditioning compressor, cover cooling fins, for example, with an aluminium sheet!
Set coolant hoses and A/C lines aside and carefully feed air conditioning compressor (1) forwards, then upwards.
After installation: