Clutch and Clutch Field Coil

	Installer, A/C Clutch 412-136
	Protector, A/C Compressor Shaft 412-137

1. 1
   Remove the A/C compressor. For additional information, refer to Air Conditioning (A/C) Compressor in this section.
2. 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.

1. 1
   Remove the A/C clutch disc and hub and the spacer(s).
2. 2
   Remove the A/C compressor pulley snap ring.
3. 3
   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.

1. 1
   Remove the 4 A/C clutch field coil screws.
2. 2
   Remove the A/C clutch field coil.

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

1. 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. 2
   Clean the A/C clutch field coil and pulley mounting surfaces.
3. 3
   Install the A/C clutch field coil.
4. 4
   Install the 4 A/C clutch field coil screws.
5. 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.

1. 1
   Install the A/C compressor pulley snap ring with the bevel side out.
2. 2
   Install one medium thickness A/C clutch disc and hub spacer inside the clutch hub spline opening.
3. 3
   Install the A/C clutch disc and hub.
4. 4
   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 N·m.

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 in this section.