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 Service and Repair.

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

1. Using a suitable spanner-type wrench, 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 and the spacer(s).

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

5. NOTICE: Do not use air tools. Damage to the Air Conditioning (A/C) clutch pulley 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.





6. Remove the 4 A/C clutch field coil screws.

7. Remove the A/C clutch field coil.

Installation

NOTE: The A/C clutch components should be reused unless obvious signs of damage are found.

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. Clean the A/C clutch field coil and pulley mounting surfaces.

3. Install the A/C clutch field coil.

4. Install the 4 A/C clutch field coil screws.

5. NOTICE: 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.





6. Install the A/C compressor pulley snap ring with the bevel side out.

7. Install one medium thickness A/C clutch disc and hub spacer inside the clutch hub spline opening.

8. Install the A/C clutch disc and hub.

9. Install the A/C compressor clutch disc and hub bolt.

1. Hold the A/C clutch disc and hub with a suitable spanner-type wrench.

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





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





11. Install the A/C compressor. For additional information, refer to Air Conditioning (A/C) Compressor Service and Repair.