Ford Mustang (1999-2004) Service Manual: Exhaust System (Diagnosis and Testing)

Symptom Chart

Condition Possible Sources Action
  • Noisy or leaking exhaust
  • Broken or loose clamps, hangers or isolators.
  • Punctures in the muffler (5230).
  • Broken, loose or missing exhaust manifold fasteners or gaskets.
  • Loose heated oxygen or catalyst monitor sensor.
  • REPAIR as necessary.
  • Exhaust system misalignment.

 

  • Broken or loose catalyst internal components.
  • REPAIR as necessary.

 

 

 

 

 

 

  • ALIGN exhaust system.

 

  • LOOSEN all fasteners joining the exhaust system and SHAKE the system to isolate the concern. REPAIR as necessary
  • Loss of power
  • Kinked or damaged exhaust pipe.
  • Clogged three-way catalytic converter (5F250).
  • Foreign object in the exhaust system.
  • REPAIR as necessary.
    Exhaust System (Description and Operation)
    WARNING: The normal operating temperature of the exhaust system is very high. Never attempt to repair any part of the system until it has cooled. Be especially careful when working around the three ...

    Muffler - 3.8L
    Removal and Installation 1. Raise and support the vehicle. For additional information, refer to Section. 2. Support the rear axle with a suitable jack. 3. Remove the upper arm-to-differential bolt. ...

    Other materials:

    Accelerator Cable Bracket - 3.8L
    Removal and Installation 1. Disconnect the speed control cable from the throttle body and the bracket. For additional information, refer to Section. 2. Disconnect the accelerator cable from the throttle body by rotating the throttle body full open and align ...

    Transmission (REMOVAL)
    Special Tool(s) Retainer, Torque Converter 307-346 (T97T-7902-A) CAUTION: Whenever a transmission has been disassembled to install new parts the transmission fluid cooler tubes must be cleaned and backflushed. Use a suitable torque converter/ ...

    Information
    Under the Information menu, you can access features such as Where Am I? and Sirius Travel Link, view your calendar, see system information and get basic system help. Press the I (Information) hard button to access these features. Where Am I? Press the I butt ...