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:

    Component Tests
    Grid Wire Test 1. Using a bright lamp inside the vehicle, inspect the wire grid from the exterior. A broken grid wire will appear as a brown spot. 2. Run the engine at idle. Set the rear window defrost switch to ON. The indicator light should co ...

    Retractor - Rear Seat Safety Belt, Convertible
    Special Tool(s) Torx Bit, Safety Belt Bolt 501-010 (T77L-2100-A) Removal 1. Remove the rear seat cushion. 2. Remove the luggage compartment front lining board (45444). 3. Release the safety belt guide. 4. Using the special tool, remove the ...

    1-2 Accumulator
    Removal 1. Compress the 1-2 accumulator cover and remove the accumulator piston retaining ring. 2. NOTE: Note the location of the 1-2 accumulator springs for reference during assembly. Remove the 1-2 accumulator. 1. Remove the 1-2 accumulator cover. 2. ...