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:

    Contaminated Refrigerant Handling
    1. CAUTION: If contaminated refrigerant is detected, DO NOT recover the refrigerant into your recovery/recycling equipment. Recover the contaminated refrigerant using suitable recovery-only equipment designed for capturing and storing contaminated refrigeran ...

    Camshaft Journal - Clearance, Plastigage Method
    Special Tool(s) Plastigage 303-D031 (D81L-6002-B) or equivalent NOTE: The camshaft journals must meet specifications before checking camshaft journal clearance. 1. Remove the camshaft bearing cap and lay Plastigage across the surface. Refer ...

    Engine (Removal)
    Special Tool(s) Lifting Bracket, Engine 303-D087 (D93P-6001-A1) Lifting Bracket, Engine 303-D088 (D93P-6001-A2) Spreader Bar 303-D089 (D93P-6001-A3) Removal All vehicles 1. Disconnect the battery ground cable. Fo ...