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5. Repeat Steps 2, 3 and 4 for the LH rear bleeder screw, the RH front disc brake caliper (2B120)
bleeder screw, and the LH front disc brake caliper bleeder screw, in that order.
6. Connect the scan tool DCL cable adapter into the vehicle data link connector (DLC) under the dash, and follow the scan tool instructions.
7. Repeat the system bleed procedure as outlined in Steps 1 through 5.
Caliper 1. NOTE: It is not necessary to do a complete brake system bleed if only the disc brake caliper
(2B120) was disconnected.
Place a box end wrench on the disc brake caliper bleeder screw (2208). Attach a rubber drain
tube to the disc brake caliper bleeder screw, and submerge the free end of the tube in a container partially filled with clean brake fluid. Klj . 5 ba
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2. Have an assistant pump the brake pedal (BP) (2455) and then hold firm pressure on the brake
pedal.
3. Loosen the disc brake caliper bleeder screw until a stream of brake fluid comes out. While the assistant maintains pressure on the brake pedal, tighten the disc brake caliper bleeder screw.
zRepeat until clear, bubble- free fluid comes out.
z Refill the brake master cylinder reservoir (2K478) as necessary.
4. Tighten the disc brake caliper bleeder screw. Refer to Specifications. Klj . 6 ba
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GENERAL PROCEDURES
Bleeding —
System
Manual
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: Do not allow the brake master cylinder reservoir to run dry during the bleeding
operation. Keep the brake master cylinder reservoir filled with the specified brake fluid. Never
reuse the brake fluid that has been drained from the hydraulic system.
CAUTION: Brake fluid is harmful to painted and plastic surfaces. If brake fluid is spilled
onto a painted or plastic surface, immediately wash it with water.
NOTE: When any part of the hydraulic system has been disconnected for repair or installation of new
components, air can get into the system and cause spongy brake pedal action. This requires bleeding
of the hydraulic system after it has been correctly connected. The hydraulic system can be bled
manually or with pressure bleeding equipment.
1. Clean all dirt from and remove the brake master cylinder filler cap and fill the brake master cylinder reservoir with the specified brake fluid.
2. Place a box end wrench on the RH rear bleeder screw. Attach a rubber drain tube to the RH rear bleeder screw and submerge the free end of the tube in a container partially filled with
clean brake fluid.
SECTION 206-
00: Brake System — General Information 2003 Mustang Workshop Manual Klj . 1 ba
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3. Have an assistant pump the brake pedal and then hold firm pressure on the brake pedal.
4. Loosen the RH rear bleeder screw until a stream of brake fluid comes out. While the assistant
maintains pressure on the brake pedal, tighten the RH rear bleeder screw.
zRepeat until clear, bubble- free fluid comes out.
z Refill the brake master cylinder reservoir as necessary.
5. Tighten the RH rear bleeder screw.
6. Repeat Steps 2, 3, 4 and 5 for the LH rear bleeder screw.
7. Place a box end wrench on the RH front disc brake caliper bleeder screw. Attach a rubber drain tube to the RH front disc brake caliper bleeder screw, and submerge the free end of the tube in
a container partially filled with clean brake fluid.
8. Have an assistant pump the brake pedal and then hold firm pressure on the brake pedal.
9. Loosen the RH front disc brake caliper bleeder screw until a stream of brake fluid comes out. While the assistant maintains pressure on the brake pedal, tighten the RH front disc brake
caliper bleeder screw.
zRepeat until clear, bubble- free fluid comes out.
z Refill the brake master cylinder reservoir as necessary.
10. Tighten the RH front disc brake caliper bleeder screw. For additional information, refer to Specifications in this section. Klj . 2 ba
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11. Repeat Steps 7, 8, 9 and 10 for the LH front disc brake caliper bleeder screw.
Pressure 1. Clean all dirt from and remove the brake master cylinder filler cap and fill the brake master cylinder reservoir with the specified brake fluid.
2. NOTE: Master cylinder pressure bleeder adapter tools are available from various manufacturers
of pressure bleeding equipment. Follow the instructions of the manufacturer when installing the
adapter.
Install the bleeder adapter to the brake master cylinder reservoir, and attach the bleeder tank
hose to the fitting on the adapter.
3. NOTE: Bleed the longest line first. Make sure the bleeder tank contains enough specified brake
fluid to complete the bleeding operation.
Place a box end wrench on the RH rear bleeder screw. Attach a rubber drain tube to the RH
rear bleeder screw, and submerge the free end of the tube in a container partially filled with
clean brake fluid. 4. Open the valve on the bleeder tank. Klj . 3 ba
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5. Loosen the RH rear bleeder screw. Leave open until clear, bubble-
free brake fluid flows, then
tighten the RH rear bleeder screw and remove the rubber hose.
6. Continue bleeding the rear of the system, going in order from the LH rear bleeder screw to the RH front disc brake caliper bleeder screw ending with the LH front disc brake caliper bleeder
screw.
7. Close the bleeder tank valve. Remove the tank hose from the adapter, and remove the adapter. Klj . 4 ba
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GENERAL PROCEDURES
Hydraulic Leak Check
1. NOTE: Brake fluid is water soluble and it is possible that all evidence of fluid leakage has been
washed off if the vehicle has been operated in the rain or snow.
Make sure the brake master cylinder reservoir (2K478) is full.
2. Apply the brakes several times and make sure the brake pedal (2455) feel is not spongy. If necessary, bleed the system. For additional information, refer to Bleeding — System in this
section.
3. If the reservoir level is dropping, inspect the brake components, fittings and lines to locate the source of the leak.
SECTION 206-
00: Brake System — General Information 2003 Mustang Workshop Manual Klj . 1 ba
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REMOVAL AND INSTALLATION
Pads
Removal
1. Remove brake master cylinder filler cap (2162). Check brake fluid level in brake master cylinder reservoir (2K478). Remove fluid until brake master cylinder reservoir is half full.
2. Raise and support the vehicle. For additional information, refer to Section 100 - 02 .
3. Remove the wheel and tire assembly. For additional information, refer to Section 204 - 04 .
4. CAUTION: Install new pads if worn to or past the specified thickness above the
metal backing plate or rivets. Install pads in complete axle sets.
Inspect the pads for wear and contamination.
5. Remove the caliper bolts. 1. Hold the guide pins stationary.
2. Remove and discard the caliper bolts.
SECTION 206-
03: Front Disc Brake 2003 Mustang Workshop Manual Klj . 1 ba
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