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

Refer to Wiring Diagrams Cell 54 , Air Conditioner/Heater for schematic and connector information.

Special Tool(s)

	Connector, Refrigerant Pressure Line 412-093 (T94P-19623-E)
	Set, A/C Fittings 412-DS028 (014-00333, D93L- 19703-B) or equivalent
	Vacuum Pump Kit 416-D002 (D95L-7559-A) or equivalent
	Breakout Box, EEC-V Control System 418-049 (014-00950, T94L-50- EEC-V)
	Worldwide Diagnostic System (WDS) 418-F224, New Generation STAR (NGS) Tester 418-F052, or equivalent diagnostic tool
	Pressure Test Kit 014-R1072 or equivalent
	77 III Automotive Meter 105-R0056 or equivalent
	R-134a Manifold Gauge Set 176-R032A or equivalent
	Refrigerant Leak Detector 216-00001 or equivalent

Vacuum Schematic-Manual Climate Control System

Vacuum Schematic-Manual Climate Control System

Function Selector Switch Vacuum Connector

Function Selector Switch Vacuum Connector

Function Selector Switch Vacuum Application Chart

Function Selector Switch Vacuum Application Chart

V=Vacuum

NV=No Vacuum

System Air Flow Description

MAX A/C When MAX A/C is selected: The air inlet door vacuum control motor is at full vacuum, closing off outside air and admitting only recirculated air. The panel/defrost door vacuum cont ...

Inspection and Verification

1. Verify the customer's concern by operating the climate control system to duplicate the condition. 2. Inspect to determine if one of the following mechanical or electrical concerns apply: Visu ...

Other materials:

Air Conditioning (A/C) Compressor - 4.6L
Material Item Specification PAG Refrigerant Compressor Oil (R-134a Systems) F7AZ-19589-DA (Motorcraft YN- 12-C) WSH-M1C231- B Removal and Installation CAUTION: If installing a new air conditioning compressor due to an internal failur ...

Removal
CAUTION: Since the engine is not free-wheeling, timing procedures must be followed exactly or piston and valve damage can occur. 1. Remove the engine front cover. For additional information, refer to Engine Front Cover in this section. 2. Remove the cranksh ...

Air Conditioning (A/C) Compressor - 3.8L
Material Item Specification PAG Refrigerant Compressor Oil (R-134a Systems) F7AZ-19589-DA (Motorcraft YN- 12-C) WSH-M1C231- B Removal and Installation CAUTION: If installing a new air conditioning compressor due to an internal failur ...