Repair Guide: 1987 Ford Mustang - A/C Compressor Clutch Repair

Repair Guide: 1987 Ford Mustang - A/C Compressor Clutch Repair

Repair Guide: 1987 Ford Mustang - A/C Compressor Clutch Repair

Introduction

A less typical yet significant issue associated with the 1987 Ford Mustang is the malfunctioning of the A/C Compressor Clutch. Over time, wear and tear or a sudden mechanical mishap can cause the clutch to fail, rendering the vehicle's air conditioning system non-functional. This comprehensive guide will walk you through diagnosing and fixing this issue.

NNecessary Tools

Diagnostic Steps

  1. Ensure the A/C system is charged and operational. Low refrigerant can cause the clutch disc not to engage.
  2. Check fuses and relays associated with the A/C system. Replace if necessary.
  3. Run the car and turn on the A/C. Observe the compressor's front center part. If it’s not spinning, the clutch is not engaging.
  4. Check the voltage at the compressor clutch coil with a multimeter. A low reading indicates a problem with the electrical system.'

Repair Steps

  1. Isolate the A/C system: Before any repairs, isolate the A/C system to prevent injury and refrigerant loss.
  2. Remove the Serpentine Belt: Use a serpentine belt tool to remove the tension on the belt and guide it off of the pulley.
  3. Remove the A/C Compressor Clutch: Use the A/C clutch puller to remove the clutch. Remember the placement of the spacers behind the clutch for reinstall.
  4. Install New Clutch: Install the new clutch on the compressor. Be sure to replace the spacers in their original position.
  5. Reinstall Serpentine Belt: Place the serpentine belt back over the pulley, ensuring it lines up correctly.
  6. Test: Start the vehicle and turn on the A/C. The clutch should engage, and cold air should blow from the vents.

Tips & Potential Pitfalls