64 52 520 Removing and installing/replacing complete A/C compressor

IMPORTANT: Risk of damage! Follow instructions for compressor replacement without fail! Refer to 64 52 ... INSTRUCTIONS FOR COMPRESSOR REPLACEMENT .

NOTE:

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.

Fig 1: Locating Radiator Retaining Screws

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Remove guide pins for radiator mounting from front end module.

Detach radiator from lower mounts to expose A/C compressor and lines.

Fig 2: Identifying Guide Pins For Radiator Mounting

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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.

Fig 3: View Of Pressure Line Retaining Screw

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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 .

Fig 4: Identifying Compressor Clutch Plug Connection

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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 .

Fig 5: Locating Bolt On A/C Compressor

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NOTE:

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.

Fig 6: Removing A/C Compressor

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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) .