Ford F150 Pickup. Instruction — part 431

Fig. 82: Disconnecting Brake Lines
Courtesy of FORD MOTOR CO.

4. On vehicles equipped with the rear anti-lock brake system (RABS), remove the RABS valve. For

additional information, refer to ANTI-LOCK CONTROL-REAR .

5. Remove the brake master cylinder.

1. Remove the two brake master cylinder nuts.

2. Remove the brake master cylinder.

2003 Ford Pickup F150

2003 BRAKES Hydraulic Brake Actuation - F150 Pickup

Fig. 83: Removing Brake Master Cylinder
Courtesy of FORD MOTOR CO.

Installation

1. To install, reverse the removal procedure.

z

Bleed the brake system. For additional information, refer to BLEEDING BRAKE SYSTEM .

2003 Ford Pickup F150

2003 BRAKES Hydraulic Brake Actuation - F150 Pickup

Fig. 84: Installing Brake Master Cylinder
Courtesy of FORD MOTOR CO.

RESERVOIR

Removal

WARNING:

Use of any other than approved DOT 3 brake fluid will cause permanent
damage to brake components and will render the brakes inoperative.

WARNING:

Brake fluid contains polyglycol ethers and polyglycols. Avoid contact
with eyes. Wash hands thoroughly after handling. If brake fluid contacts
eyes, flush eyes with running water for 15 minutes. Get medical attention
if irritation persists. If taken internally, drink water and induce vomiting.
Get medical attention immediately.

2003 Ford Pickup F150

2003 BRAKES Hydraulic Brake Actuation - F150 Pickup

1. Disconnect the brake master cylinder fluid level warning switch.

Fig. 85: Disconnecting Brake Master Cylinder Fluid Level Warning Switch
Courtesy of FORD MOTOR CO.

2. Use a suitable suction device to drain the brake master cylinder reservoir (2K478).

3. Carefully pry up on the brake master cylinder reservoir to remove.

CAUTION: Brake fluid is harmful to painted or plastic surfaces. If brake fluid is spilled

onto a painted or plastic surface, immediately wash it with water.

2003 Ford Pickup F150

2003 BRAKES Hydraulic Brake Actuation - F150 Pickup