64 52 520 Removing and installing/replacing complete A/C compressor
A/C system is drawn off. Refer to 64 50 009 DRAWING OFF, EVACUATING AND FILLING A/C SYSTEM (R 134A) .
Necessary Preliminary Tasks:
- Disconnect battery negative lead. Refer to 12 00 DISCONNECTING AND CONNECTING BATTERY
- W10, W11 Only: Remove front underbody protection. Refer to 51 47 490 REMOVING AND INSTALLING/REPLACING FRONT UNDERBODY PROTECTION (ENGINE) .
- W10, W11 Only: Remove condenser for A/C system. Refer to 64 53 551 REMOVING AND INSTALLING/REPLACING CONDENSER FOR A/C SYSTEM (W10, W11) .
- Screw on a securing nut on each side of front end module.
- Remove A/C compressor drive belt. Refer to 11 28 050 REMOVING A/C COMPRESSOR DRIVE BELT .
Cars With Automatic Transmissions Only:
Release screw (1), tightening torque, refer to 17 21 1AZ in COOLING SYSTEM - TIGHTENING TORQUES - Cooper (1.6L) R50/W10 .
Release radiator from mounting in direction of arrow.
Set radiator down outside working area.
Remove guide pins for radiator mounting from front end module.
Detach radiator from lower mounts to expose A/C compressor and lines.
Release screw (1) for pressure line, tightening torque, refer to 64 52 2AZ in HEATING AND AIR CONDITIONING - TIGHTENING TORQUES - COOPER (1.6L) R50/W10 .
Disconnect pressure line.
Release screw (2) for suction line, tightening torque, refer to 64 52 2AZ in HEATING AND AIR CONDITIONING - TIGHTENING TORQUES - COOPER (1.6L) R50/W10 .
Disconnect suction line.
Installation:
Replace O-rings on both line connections.
Disconnect plug connection (1) for compressor clutch.
Release wiring harness retaining clip (2) from bracket.
Release bolt (3) at top right on A/C compressor, tightening torque, refer to 64 52 1AZ in HEATING AND AIR CONDITIONING - TIGHTENING TORQUES - COOPER (1.6L) R50/W10 .
Release bolt (1) at top left on A/C compressor, tightening torque, refer to 64 52 1AZ in HEATING AND AIR CONDITIONING - TIGHTENING TORQUES - COOPER (1.6L) R50/W10 .
Secure A/C compressor against falling out.
Release lower retaining bolt (1) on A/C compressor, tightening torque, refer to 64 52 1AZ in HEATING AND AIR CONDITIONING - TIGHTENING TORQUES - COOPER (1.6L) R50/W10 .
Remove A/C compressor.
Installation:
- If air conditioner has been opened for more than 24 hours, drier bottle must be replaced. Refer to 64 53 510 REMOVING AND INSTALLING / REPLACING DRIER BOTTLE FOR AIR CONDITIONER .
- Evacuate and fill A/C system. Refer to 64 50 009 DRAWING OFF, EVACUATING AND FILLING A/C SYSTEM (R 134A) .