Compressor Clutch: Service and Repair

1999 Ford F 150 2WD Pickup V6-4.2L VIN 2SECTION Service and Repair





SPECIAL TOOL(S)

REMOVAL
1. Remove the A/C compressor.







2. Remove the A/C clutch hub retaining bolt.
1 Hold the A/C clutch hub with the Compressor Clutch Holding Tool.
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 hub spacer 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.







6. Remove the A/C clutch field coil.
1 Note the location of the A/C clutch field coil electrical connector.
2 Install the Field Coil Remover on the nose opening of the A/C compressor.
3 Install the Differential Bearing Cone Remover.
4 Remove the A/C clutch field coil.

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

INSTALLATION
1. Clean the A/C clutch field coil and the pulley bearing mounting surfaces.







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 on the A/C clutch field coil.
3 Place the Coil Replacer 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.

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







3. Install the A/C clutch pulley.

NOTE: The A/C clutch pulley is a tight fit on the A/C compressor head; it must be properly aligned during installation.







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 Compressor clutch Holding Tool.
2 Tighten the bolt.







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

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.