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

Ford Mustang (1999-2004) Service Manual / Exhaust System / 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:

    Essential towing checks
    Follow these guidelines for safe towing: • Do not tow a trailer until you drive your vehicle at least 1000 miles (1600 kilometers). • Consult your local motor vehicle laws for towing a trailer. • See the instructions included with towing accessories for ...

    Reverse Servo Assembly
    Special Tool(s) Dial Indicator Gauge with Holding Fixture 100-002 (TOOL-4201-C) Remover/Installer, Servo Piston 307-251 (T92P-70023-A) Installer, Servo Piston 307-073 (T80L-77030-A) Removal 1. Remove the main co ...

    Reactivation Procedure
    1. WARNING: The restraint system diagnostic tool must be removed and the air bag modules reconnected when the system is reactivated to avoid non-deployment in a collision, resulting in possible personal injury. WARNING: The restraint system diagnostic tool i ...