BMW X3 Service & Repair Manual: (removing and installing) Replacing a/c system compressor (N47N)

Special tools required:

• 32 1 270

WARNING: Danger of injury! Refrigerant circuit is under high pressure! Observe the safety information for handling the R 134a refrigerant . Avoid contact with refrigerant and refrigerant fluid.

FOLLOW SAFETY INSTRUCTIONS FOR HANDLING REFRIGERANT OIL !

IMPORTANT: Risk of damage! Restart engine only when A/C system has been correctly filled.

Read and comply with notes on compressor replacement .

If Air conditioning is opened for more than 24 h: REPLACE DESICCANT INSERT FOR HEATING AND AIR CONDITIONING SYSTEM

Necessary preliminary tasks:

• DRAIN OFF AIR CONDITIONING SYSTEM
• REMOVE COMPRESSOR DRIVE BELT

IMPORTANT: Seal openings or lines on compressor with special tool 32 1 270 to prevent escape of media and fouling.

Release screws (1) on refrigerant lines (3).

Open brackets (4).

Disconnect refrigerant lines (3) and lay to one side.

Unfasten plug connection (2) and disconnect.

Unlock plug connections (1) and disconnect.

Unclip cable clip (2).

Release screws (3) and place throttle valve (4) to one side.

Release screws (2) on compressor (1).

Feed out compressor (1) in direction of arrow.

Replacement:

• Adjust the amount of refrigerant oil in the new compressor .

IMPORTANT:

Danger of compressor damage! Danger of customer complaints due to reduced cooling power of the Air conditioning! Before the installation of the new compressor, it is absolutely necessary to adjust the amount of refrigerant oil in the new compressor! Compliance with safety information is mandatory .

After installation:

• EVACUATE AND FILL A/C SYSTEM