The below Technical Service Bulletins, TSB for short, were issued for the 2004 Mustang and contain symptom, diagnosis, and repair information for common issues. Click the TSB ID numbers below to see the full TSB, there is also a brief description of the TSB below the number.
Body - Exterior Mirror Damage Warranty Information
Body - Paint Defects Warranty Information
Tire Monitor Sys - TPMS Identification
A/T - Transmission Cooler Flush Information
Some 1997-2008 vehicles equipped with a 4.6L 2V, 5.4L 2V, or 6.8L 2V engine and aluminum cylinder heads may experience a spark plug port with stripped or missing threads.
This TSB describes the operation and function of the Battery Eye and correct Battery Recharging procedures.
Some vehicles equipped with leather-wrapped steering wheels may exhibit the leather coming loose from the spoke area.
MERCON(R) Automatic Transmission Fluid is being replaced by MERCON(R) V as a service fluid for power steering systems originally requiring MERCON(R).
MERCON(R) Automatic Transmission Fluid is being replaced by MERCON(R) V as the service fluid for manual transmissions originally requiring MERCON(R).
The majority of repeat heater core leaks are due to high flow rate or use of poor quality coolant. However, electrolysis should also be checked, especially when repeat repairs have occurred.
On various vehicles when servicing the head gasket on certain Ford remanufactured engines, it is critical to determine the type of remanufactured engine that is being serviced, in order to identify the correct replacement gasket.
Some vehicles may experience a concern with the keyless entry keypad. In order to properly diagnose the concern with the keyless entry keypad, it is important to identify whether the keypad is a factory installed style (wired) or a Genuine Ford Accessory (GFA) radio frequency (RF) style keypad.
Cruise Control - Diagnostic Updates
Some 2002-2006 vehicles equipped with an FS-10 A/C compressor may experience a non operational A/C compressor due to a low freon level caused by a leaking shaft seal.
Some 2003-2004 Expedition, 2003 Navigator, 2004 F-150 vehicles equipped with a 9.75" or 8.8" limited slip rear axle, and 2002-2004 Explorer 4dr, Mountaineer, and Mustang vehicles equipped with 8.8" limited slip rear axle may exhibit a chatter shudder, a binding sensation, or a vibration during low speed turns. On 4X4 vehicles, the sensation may appear to be originating from the front axle or the steering gear.
Approximately 50% of coil on plug (COP) coils returned for warranty do not have a problem.
Electrical - Wiring Soldering/Crimping Service Tips
Some 2002-2004 Mustang vehicles may exhibit a squeak or creak type noise when turning.
Ford Motor Company has adopted a new premium interior paint formulation that has significantly improved performance properties. When used as directed, the product preserves the original grain pattern of the plastic, is UV stable color fast, and is completely flexible. It will not crack, flake, or peel. Motorcraft Interior Spray Paint, PM-19M547-XXXXH (XXXX = Color Code), can be used for both paint-to-match and repair procedures.
To service a safety belt web stop button (the button that keeps the belt tongue from sliding down when not in use), a service kit is now available.
Some 2004 Mustang vehicles, equipped with the TR3650 5 speed manual transmission, may exhibit a clash or grind noise when shifting from 1st to 2nd gear. There may also be a loss of 2nd gear.
Some vehicles may exhibit inoperative electric rear window defroster (heated back lite) grid lines, integral antenna concerns causing radio reception issues or terminal tabs pulled from the rear window glass.
PCMs may need to be reprogrammed or replaced as part of a repair. Additional vehicle concerns may be caused if proper programming procedures are not followed.
Some 1999-2004 Mustang vehicles equipped with a T5, T45 or TR3650 manual transmission, may exhibit a hard to shift condition into first or reverse gears from a stop. This may be due to an incomplete disengagement of the clutch (lack of clutch pedal reserve).
This article is intended to aid in diagnosing DTC's P0171, P0174, P1130, P1131, P1150, P1151, P2195, or P2197 (system lean or lack of HEGO switches) when a vacuum leak is present. HEGO sensors, MAF sensors, and PCM replacements are not an effective repair when a vacuum leak is causing the above DTC's.
Some vehicles may exhibit inoperative electric rear window defroster (heated backlite) grid lines, integral antenna concerns causing radio reception issues or terminal tabs pulled from the rear window glass.
Some 2003-2004 Mustang Cobra vehicles equipped with a Tremec T56 6 speed manual transmission, may exhibit a rattle noise or a difficult to shift condition. This may be due to a cracked or broken release bearing guide tube.
Ford Motor Company has released a private labeled material to be used for iron particle/acid rain service repairs.
Some 2001-2004 Mustang vehicles may exhibit climate control panel vents (barrel vent) with vanes that are difficult to adjust, and/or may make a rattling type noise. This may be due to detachment of the air vanes from the pilot holes in the vent housing.
Some vehicles, equipped with the Romeo built 4.6L 2V engine, with an "ENGINE BUILD DATE" prior to 9/17/2003 may exhibit an engine tick noise that is present at all temperatures during idle. The noise may be emanating from the valve guide area in the cylinder head. The noise may be more prevalent in the front wheel well area and may not be heard with the hood open.
When servicing an exterior mirror, service kits are available which enable repairs without replacement of the entire mirror assembly.
Some 2003-2004 Mustang Mach 1 may exhibit a rattle type noise from the Hood Scoop (Shaker) area. The noise may occur at any engine RPM and/or during acceleration or deceleration.
Keyless Entry System - Service Tips