Compressor Clutch: Service and Repair

Clutch and Clutch Field Coil













Removal

1. Remove the A/C compressor. For additional information, refer to Air Conditioning (A/C) Compressor- 3.7L Service and Repair or Air Conditioning (A/C) Compressor- 5.0L (4V), 5.4L (4V) Service and Repair.

2. Remove the A/C clutch disc and hub bolt.
1. Using the A/C Clutch Holding Tool, hold the A/C clutch disc and hub.

2. Remove the A/C clutch disc and hub bolt.






3. Remove the A/C clutch disc and hub.

4. Remove the A/C clutch disc and hub spacer(s).

5. Remove the A/C compressor pulley snap ring.

6. NOTICE: Do not use air tools. Damage to the Air Conditioning (A/C) clutch field coil or A/C compressor may result.

Remove the A/C compressor pulley.
1. Install the A/C compressor shaft protector.

2. Install a suitable 3-jaw puller on the A/C compressor shaft protector and A/C compressor pulley.

3. Remove the A/C compressor pulley.






7. Remove the 3 A/C clutch field coil screws.

8. Detach the A/C clutch field coil electrical connector pin-type retainer and remove the A/C clutch field coil.

Installation

NOTE: A new A/C compressor may come equipped with a clutch and pulley. If not, the A/C clutch components should be reused unless obvious signs of damage are found. If excessive grooving is found, a new A/C clutch disc and hub and A/C compressor pulley must be installed together. Otherwise, each component can be installed individually where needed.

1. Visually inspect the A/C clutch disc and hub, A/C compressor pulley and A/C clutch field coil for damage.
- Inspect for physical damage, including cracked or melted components or discoloration due to excessive heat.

- Inspect for excessive wear, including grooving in the A/C clutch disc and hub or A/C compressor pulley that is more than fingernail depth.

- Inspect for roughness in the A/C compressor pulley bearing.


2. Install the A/C clutch field coil and attach the electrical connector pin-type retainer.

3. Install the 3 A/C clutch field coil screws.

4. NOTE: The Air Conditioning (A/C) compressor must be positioned on the press so that only the flat part of the A/C compressor housing is contacting the base with the A/C compressor shaft aligned with the center of the press shaft. If the A/C compressor is not installed correctly on the press, the A/C compressor and/or A/C compressor pulley will be damaged.
Install the A/C compressor pulley.

1. Install the A/C compressor on a suitable press.

2. Position the A/C compressor pulley on the A/C compressor.

3. Install the A/C Clutch Installer on the A/C compressor pulley.

4. Using the press, install the A/C compressor pulley.






5. Install the A/C compressor pulley snap ring.

6. Install the A/C clutch disc and hub spacer(s) and the A/C clutch disc and hub.

7. Install the A/C clutch disc and hub bolt.
1. Hold the A/C clutch disc and hub with the A/C Clutch Holding Tool.

2. Tighten to 20 Nm (177 lb-in).






8. Measure and adjust the clutch air gap by adding or removing A/C clutch disc and hub spacers.

9. Install the A/C compressor. For additional information, refer to Air Conditioning (A/C) Compressor- 3.7L Service and Repair or Air Conditioning (A/C) Compressor- 5.0L (4V), 5.4L (4V) Service and Repair.