Ford F150 Pickup. Manual — part 407

Fig. 92: Identifying Caliper Components
Courtesy of FORD MOTOR CO.

2003 Ford Pickup F150

2002-04 BRAKES Disc & Drum - Blackwood, F150 Heritage Pickup & F150 Pickup

MASTER CYLINDER

Disassembly

1. Remove master cylinder. See MASTER CYLINDER under REMOVAL & INSTALLATION. Clean

outside of master cylinder. Remove filler cap and diaphragm. Drain any remaining fluid from cylinder.

2. If equipped, remove the brake pressure switch. See Fig. 93 .

3. Remove the brake master cylinder fluid control valve. See Fig. 94 .

4. Depress the primary piston and remove the snap ring. Remove and discard the primary piston assembly.

See Fig. 95 .

5. Plug the rear outlet port and, if necessary, plug the brake pressure switch port. See Fig. 96 . Apply

compressed air into the front outlet port and remove the secondary piston assembly and discard.

NOTE:

Brake pressure switch may also be referred to as speed control deactivator
switch.

2003 Ford Pickup F150

2002-04 BRAKES Disc & Drum - Blackwood, F150 Heritage Pickup & F150 Pickup

Fig. 93: Identifying Brake Pressure Switch
Courtesy of FORD MOTOR CO.

Fig. 94: Identifying Fluid Control Valve
Courtesy of FORD MOTOR CO.

2003 Ford Pickup F150

2002-04 BRAKES Disc & Drum - Blackwood, F150 Heritage Pickup & F150 Pickup

Fig. 95: Identifying Primary Piston Assembly & Snap Ring
Courtesy of FORD MOTOR CO.

2003 Ford Pickup F150

2002-04 BRAKES Disc & Drum - Blackwood, F150 Heritage Pickup & F150 Pickup