Ford Mustang (1999-2004) Service Manual: Inspection and Verification

1. Verify customer concern by running the engine.

2. Inspect the drive belt for chunking, fraying and wear.

3. Check the drive belt for correct routing.

Drive Belt Cracking/Chunking/Wear

V Ribbed Serpentine Drive Belt With Cracks Across Ribs

V Ribbed Serpentine Drive Belt With Cracks Across Ribs

The accessory drive:

  • has a single serpentine drive belt.
  • has an automatic drive belt tensioner.
  • does not require adjustment.

V Ribbed Belt With Chunks of Rib Missing

V Ribbed Belt With Chunks of Rib Missing

Symptom Chart

Condition Possible Sources Action
  • Drive belt noise, chirping, flutter
  • Defective/worn drive belt.
  • Misaligned pulley.
  • Pulley runout.
  • Damaged accessories.
  • Fluid contamination of drive belt.
  • Damaged or worn drive belt tensioner
  • GO to Component Tests, Drive Belt, Noise/Flutter.
  • GO to Component Tests, Belt Tensioner, Automatic.
  • Premature drive belt wear
  • Defective drive belt.
  • Misaligned pulley.
  • Pulley runout.
  • Damaged accessories.
  • Incorrectly installed drive belt.
  • GO to Component Tests, Drive Belt Noise/Flutter and Drive Belt Misalignment diagnosis.
    Component Tests
    Drive Belt Noise/Flutter Drive belt chirp occurs due to pulley misalignment or excessive pulley runout. It can be the result of a damaged pulley or an incorrectly aligned pulley. To correct, determi ...

    Other materials:

    Removal
    1. Remove the upper intake manifold. For additional information, refer to Intake Manifold-Upper in this section. 2. Disconnect the fuel line. For additional information, refer to Section. 3. Remove the coolant by-pass tube. For additional information, refer ...

    Piston
    Special Tool(s) Piston Pin Tool or equivalent 303-D034 (D81L-6135-A) Material Item Specification SAE 5W-20 Premium Synthetic Blend Motor Oil XO-5W20-QSP or equivalent WSS-M2C153- H Disassembly 1. Using the special tool, ...

    Mirror - Motor
    Removal 1. Push in the upper edge of the mirror glass to the maximum travel. 2. Grasp the bottom of the mirror glass, pull outward and remove the mirror glass. 3. Remove the mirror motor screws. 4. Disconnect the mirror motor electrical connector. 5. ...