Ford Mustang Service Manual: Component Tests

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

The accessory drive:


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

Symptom Chart


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.
    Inspection and Verification
    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 Cracki ...

    Accessory Drive Belt - 3.8L
    Accessory Drive (Description and Operation) Component Locations- 3.8L   Component Locations-4.6L   ...

    Other materials:

    Generator - 4.6L 4V
    Generator - 3.8L Removal and Installation 1. Disconnect the battery (10655). For additional information, refer to Section. 2. Relieve the accessory drive belt (8620) tension and remove the belt from the generator pulley. Leave the belt in place ...

    Pump - CII
    Power Steering (Description and Operation) System View Steering System Components - 3.8L Engine   Steering System Components - 4.6L Engine   Steering Gear Mounting   Steering Gear   Power Steering Pump - CII Power Steering ...

    Manual Control Lever Shaft and Seal
    Transmission Description (Description and Operation) The 4R70W has the following features: Wide ratio gears Four speeds Rear wheel drive Automatic Electronic shift Torque converter clutch control Line pressure controls The transm ...