Ford F150 Pickup. Instruction — part 342
Fig. 14: Installing Brake Outlet Tubes
Courtesy of FORD MOTOR CO.
7. Bleed each brake tube at the brake master cylinder as follows:
1. Have an assistant pump the brake pedal, and then hold firm pressure on the brake pedal.
2. Loosen the rearmost brake tube fittings until a stream of brake fluid comes out. While the assistant
maintains pressure on the brake pedal, tighten the brake tube fitting.
3. Repeat this operation until clear, bubble-free fluid comes out.
4. Refill the brake master cylinder reservoir as necessary. Repeat the bleeding operation at the front brake
tube.
Four Wheel Anti-Lock Brake System (4WABS) Hydraulic Control Unit (HCU)
WARNING:
Use of any other than approved DOT 3 brake fluid will cause permanent
2003 Ford Pickup F150
2003 GENERAL INFORMATION Brake System - General Information - F150 Pickup
1. Clean all dirt from and remove the brake master cylinder filler cap (2162), and fill the brake master
cylinder reservoir (2K478) with the specified brake fluid.
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.
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.
CAUTION: Do not allow the master cylinder to run dry during the bleeding operation.
Keep the master cylinder filled with the specified brake fluid. Never use
brake fluid that has been drained from the hydraulic system.
NOTE:
This procedure only needs to be performed if a new 4-wheel anti-lock brake
(4WABS) hydraulic control unit (HCU) has been installed or if the HCU lines
have been opened.
2003 Ford Pickup F150
2003 GENERAL INFORMATION Brake System - General Information - F150 Pickup
Fig. 15: Identifying Cylinder Reservoir
Courtesy of FORD MOTOR CO.
2. Connect a clear waste line to the RH rear bleeder screw (2208) and the other end in a container partially
filled with recommended brake fluid.
2003 Ford Pickup F150
2003 GENERAL INFORMATION Brake System - General Information - F150 Pickup
Fig. 16: Connecting A Clear Waste Line To Rh Rear Bleeder Screw And Other End In A Container
Partially Filled With Brake Fluid
Courtesy of FORD MOTOR CO.
3. Loosen the RH rear bleeder screw until a stream of brake fluid comes out. While the assistant maintains
pressure on the brake pedal (2455), tighten the RH rear bleeder screw.
z
Repeat until clear, bubble-free fluid comes out.
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Refill the brake master cylinder reservoir as necessary.
4. Tighten the RH rear bleeder screw, and disconnect the waste line.
2003 Ford Pickup F150
2003 GENERAL INFORMATION Brake System - General Information - F150 Pickup
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