Ford reports that the air conditioning systems on some 2005-06 4.6-liter Mustangs may blow warm air.
If the system has a full charge, no fuses are blown and the compressor clutch won't engage, chances are the clutch has burned up, Ford said.
Installing a new clutch assembly and updated orifice tube, and recharging the system to a new refrigerant spec of 26 ounces should restore proper cooling.
After you're done with the parts swap, fill out a climate control information decal and place it under the hood to alert the next tech that works on the vehicle.
Here's a list of all the parts you'll need to complete the fix:
- Clutch disc — 6L2Z-19D786-A
- Clutch coil — 4L3Z-19D796-AA
- Pulley — 6L2Z-19D784-A
- Orifice tube (blue) — F5XZ-19D990-AB
- Information decal — 6R3A-19A286-AA
"Factory Fixes" is written by Jim DePalma, a 30-year veteran of the auto repair business who has served stints as a service manager, parts manager and ASE-certified technician. His column provides vehicle manufacturers' authentic factory technical service bulletins (TSBs) that have been condensed for easier reading. Mr. DePalma advises that techs always check with a dealer or repair information system for the latest revisions before starting to work on a vehicle. He can be reached via e-mail at [email protected].