Compressor HVAC: Service and Repair

A/C COMPRESSOR, REPLACING (M20/M30 engines)

1. Following the manufacturer's instructions, connect an approved refrigerant recovery/recyclinglrecharging unit to the A/C system and discharge system.

WARNING: Do not discharge/charge the A/C system without proper equipment and training, damage to the vehicle and personal injury may result. Read warnings and cautions given under A/C system, warnings and cautions.

2. Disconnect negative (-) battery terminal.

3. Remove air cleaner assembly from left front corner of engine compartment.

4. Remove drive belt from A/C compressor.

5. Cut tie-wrap retaining A/C compressor electrical harness to refrigerant hose. Disconnect harness connector from compressor




6. Unscrew the A/C pressure hose (A) and suction hose (B) from compressor.

7. From under car, remove splash shield.

8. Loosen (but do not remove) compressor mounting nuts.

9. Swing compressor towards engine and remove drive belt.

10. Remove compressor mounting nut and remove compressor.

11. Installation is reverse of removal. Replace O-rings at pressure fittings.

CAUTION: Do not re-use O-rings when reconnecting refrigerant lines. Always replace O-rings.

12. Before recharging, evacuate system for at least 30 min. Recharge system following equipment manufacturer's instructions.