2005-2006 Mustangs equipped with a 4.6L engine may experience a failure of the air conditioner (A/C) compressor clutch assembly.
A revised design A/C compressor clutch is available for service.
Installation of the revised design clutch also requires installation of a new orifice tube and a reduced refrigerant charge.
ACTION:
Use the following Service Procedure to replace the clutch disc assembly, pulley, clutch coil field, orifice tube, and climate control decal.
SERVICE PROCEDURE
- Evacuate the A/C system per the procedures in the Workshop Manual (WSM).
- Remove and replace the air conditioning clutch disc, pulley, and field coil.
- Replace the orifice tube. The evaporator core orifice tube is located in the evaporator inlet line at the condenser-to-evaporator line fitting.
- Recharge system with 26 oz. of R134A.
- Install new A/C system information decal over the old one on the radiator sight shield. New decal has revised system fill specification.
| PART NUMBER | PART NAME |
|---|---|
| F5XZ-19D990-AB No products found. | Orifice Tube – Blue |
| 6L2Z-19D786-A | Clutch Disc |
| 6L2Z-19D784-A | Pulley |
| 4L3Z-19D798-AA No products found. | Clutch Coil |
| YN-19
Motorcraft - Oil - Compressor - Air Co (YN35)
Last update on 2026-06-09 / Affiliate links / Images from Amazon Product Advertising API | R-134a Refrigerant |
| 6R3A-19A286-AA | Decal |
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Where can I get the decal
Best bet is the Ford Dealer, sometimes you can find them on ebay.