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 bolt.
1 Hold the A/C clutch disc and hub with the special tool.
2 Remove the A/C clutch disc and hub bolt.

3. Remove the A/C clutch disc and hub.
4. Remove the A/C compressor pulley snap ring.







5. Remove the A/C compressor pulley.
1 Install the special tool.
2 Remove the A/C compressor pulley.







6. CAUTION: Do not use air tools. The A/C clutch field coil can be easily damaged.

Remove the A/C clutch field coil.
1 Install the special tool.
2 Install the special tool.
3 Remove the A/C clutch field coil.

Installation

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.

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. CAUTION: Do not use air tools. The A/C clutch field coil can be easily damaged.

Install the A/C clutch field coil.
1 Place the A/C clutch field coil on the A/C compressor with the A/C clutch field coil electrical connector correctly positioned.
2 Place the special tool on the A/C clutch field coil.
3 Place special tool 412-065 on special tool 412-078.
4 Use special tool 412-001 to install the A/C clutch field coil.

4. NOTE: The A/C clutch pulley is a tight fit on the A/C compressor head. It must be correctly aligned during installation.

Install the A/C clutch pulley.

5. Install the A/C clutch pulley snap ring with the bevel side out.
6. Place one nominal thickness A/C clutch disc and hub spacer inside the clutch hub spline opening.
7. Install the A/C clutch disc and hub assembly.







8. Install the A/C clutch disc and hub bolt.
1 Hold the A/C clutch disc and hub with the special tool.
2 Install the A/C clutch disc and hub bolt.
- Tighten to 13 Nm (10 lb-ft).







9. Measure and adjust the clutch air gap by removing or adding A/C clutch hub spacers.
10. Install the A/C compressor.