Minor Compressor Repair Procedures

Remove or Disconnect

Tool Required:
J 34878 Pressure Plate Remover

Removing Pressure Plate Retaining Nut:

1. Pressure plate retaining nut, using a wrench and pliers to keep clutch pulley from rotating.

Removing Pressure Plate:

2. Pressure plate using a wrench and a J 34878.
3. Shims from driveshaft.

Removing Clutch Pulley Snap Ring:

4. Clutch pulley snap ring using snap ring pliers.
5. Clutch pulley from shaft by tapping with a plastic hammer.

NOTICE: Be careful not to damage clutch pulley with hammer.

6. Clutch coil ground wire from compressor housing.

Removing Clutch Coil Snap Ring:

7. Snap ring from coil using snap ring pliers.
8. Clutch coil from shaft.

Inspect
Tool Required:
J 34029-A Digital Multimeter

1. Pressure plate and clutch pulley for wear and scoring. Replace as necessary.

Measuring Clutch Coil Resistance:

2. Clutch coil resistance using a J 34029-A. Replace clutch coil if resistance is not within specification.
- Standard clutch coil resistance: 3.2 ohms ± 0.2 ohms.

Install or Connect

1. Clutch coil to shaft.
2. Clutch coil snap ring using snap ring pliers.
3. Coil ground wire to compressor housing.
4. Clutch pulley to shaft.
5. Clutch pulley snap ring using snap ring pliers.
6. Shims to driveshaft.
7. Pressure p]ate to shaft.

Adjust

Pressure Plate-to-Clutch Pulley Standard Clearance:

^ Clearance between clutch pulley and pressure plate to 0.4-0.7 mm (0.016-0.028-inch) by increasing or decreasing the number of shims between them.

7. Pressure plate retaining nut, using a wrench and pliers to keep clutch pulley from rotating.

Tighten
^ Pressure plate retaining nut to 16 N.m (12 lb.ft.).