Ford F150 Pickup. Instruction — part 1699

Fig. 84: locating A/C Pressure Cutoff Switch Electrical Connector
Courtesy of FORD MOTOR CO.

2. Remove the A/C pressure cutoff switch (19D594).

z

Discard the O-ring seal.

Fig. 85: Removing A/C Pressure Cutoff Switch
Courtesy of FORD MOTOR CO.

3. To install, reverse the removal procedure.

z

Install a new O-ring seal lubricated in clean PAG oil.

PRESSURE RELIEF VALVE - 4.2L

Removal

1. Recover the refrigerant. Refer to CLIMATE CONTROL SYSTEM .

2. Remove the A/C compressor pressure relief valve (19D644).

2003 Ford Pickup F150

2003 HVAC Air Conditioning - F150 Pickup

Fig. 86: Identifying Pressure Relief Valve (4.2L)
Courtesy of FORD MOTOR CO.

Installation

1. Follow the removal procedure in reverse order.

z

Lubricate the O-ring seal with PAG Refrigerant Compressor Oil (R-134a Systems) F7AZ-19589-
DA (Motorcraft YN-12-C) or equivalent meeting Ford specification WSH-M1C231-B.

PRESSURE RELIEF VALVE - 4.6L AND 5.4L

Removal

1. Recover the refrigerant. Refer to CLIMATE CONTROL SYSTEM .

2. Raise the vehicle on a hoist.

3. Remove the A/C compressor pressure relief valve (19D644).

2003 Ford Pickup F150

2003 HVAC Air Conditioning - F150 Pickup

Fig. 87: Identifying Pressure Relief Valve (4.6L And 5.4L)
Courtesy of FORD MOTOR CO.

Installation

1. Follow the removal procedure in reverse order.

z

Lubricate the O-ring seal with PAG Refrigerant Compressor Oil (R-134a Systems) F7AZ-19589-
DA (Motorcraft YN-12-C) or equivalent meeting Ford specification WSH-M1C231-B.

CONDENSER CORE

Material

2003 Ford Pickup F150

2003 HVAC Air Conditioning - F150 Pickup

Fig. 88: Condenser Core Material Specifications
Courtesy of FORD MOTOR CO.

Removal and Installation

1. Recover the refrigerant. Refer to CLIMATE CONTROL SYSTEM .

2. Remove the air deflector.

1. Remove the jack handle.

2. Remove the screws.

3. Remove the air deflector.

NOTE:

Installation of a new suction accumulator is not required when repairing the air
conditioning system except when there is physical evidence of system
contamination from a failed A/C compressor or damage to the suction
accumulator.

NOTE:

If an A/C condenser core leak is suspected, the A/C condenser core must be
leak tested before it is removed from the vehicle. Refer to CLIMATE CONTROL
SYSTEM .

2003 Ford Pickup F150

2003 HVAC Air Conditioning - F150 Pickup