Compressor Clutch: Service and Repair
Removal Note1. Remove the A/C compressor
2. Remove the A/C clutch hub retaining bolt.
1. Hold the A/C clutch hub with the Spanner Wrench.
2. Remove the bolt.
3. Remove the A/C clutch and the A/C clutch hub spacer.
1. Thread an 8 x 1.25 mm bolt into the A/C clutch to force it from the compressor shaft.
2. Lift the A/C clutch and the A/C clutch hub spacer from the compressor shaft.
4. Remove the pulley snap ring.
5. Remove the A/C clutch pulley.
CAUTION:
- Do not use air tools. The A/C clutch field coil can be easily damaged.
6. Remove the A/C clutch field coil.
1. Mark the location of the A/C clutch field coil electrical connector.
2. Install shaft protector tool 49 UN01 047 on the nose opening of the A/C compressor.
3. Install the 2-jaw puller on the compressor with tip of the puller forcing screw in the center pilot. Place the jaws of the puller around the back edge of the field coil. Tighten the puller forcing screw to pull coil from compressor.
4. Remove the A/C clutch field coil.
Installation Note
1. Clean the A/C clutch field coil and pulley bearing mounting surfaces.
CAUTION:
- Do not use air tools. The A/C clutch field coil can be easily damaged.
2. 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 properly positioned.
2. Place the Field Coil Replacer T91L-19623-CH or equivalent on the A/C clutch field coil.
3. Place the Coil Pressing Tool 49 UN01 046 on the Field Coil Replacer.
4. Use the 2-Jaw Puller to install the A/C clutch field coil until bottomed completely against the A/C compressor.
NOTE:
- The bearing is a tight fit on the A/C compressor head; it must be properly aligned to push on.
3. Install the A/C clutch pulley.
4. Install the pulley snap ring with the bevel side out.
5. Place one nominal thickness A/C clutch hub spacer inside the clutch hub spline opening.
6. Install the A/C clutch.
7. Install the A/C clutch hub retaining bolt.
1. Hold the A/C clutch hub with the Spanner Wrench.
2. Tighten the bolt.
8. Measure and adjust the clutch air gap by removing or adding A/C clutch hub spacers.
9. Install the A/C compressor.