Compressor Clutch: Service and Repair

CLUTCH AND CLUTCH FIELD COIL

Special Tool(s):

Special Tool(s)

Removal
1. Remove the A/C compressor.







2. Remove the A/C clutch disc and hub retaining nut.
1 Using the special tool, hold the A/C clutch disc and hub.
2 Remove the nut.







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







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







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







6. CAUTION: Do not use air tools. Damage to the A/C clutch pulley may result.

Using the special tool, remove the A/C clutch pulley.

7. Note the location of the A/C clutch field coil connector.







8. Remove the A/C clutch field coil snap ring.







9. Remove the A/C clutch field coil.

Installation

1. NOTE: If installing a new A/C compressor, 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.

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







3. CAUTION: There is an indexing locator on the A/C clutch field coil mounting surface. Make sure it is correctly aligned during installation to the A/C compressor.

Align and install the A/C clutch field coil onto the A/C compressor.







4. Install the A/C clutch field coil snap ring.







5. NOTE: The A/C clutch pulley fits tightly to the A/C compressor. It must be aligned correctly for installation.

Install the A/C clutch pulley.
1 Install the special tool.
2 Install the pulley.







6. NOTE: The snap ring must be installed with the bevel side up.

Install the A/C clutch pulley snap ring with the bevel side up.







7. Install one nominal thickness A/C clutch disc and hub spacer onto the A/C compressor shaft.







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







9. Install the clutch disc and hub retaining nut.
1 Using the special tool, hold the A/C clutch disc and hub.
2 Tighten the nut.







10. Measure and adjust (if necessary) the A/C clutch air gap by removing or adding A/C clutch disc and hub spacers.
11. Install the A/C compressor.