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5. Remove the rear disc brake piston and adjuster from the caliper bore.
6. Remove and discard the piston dust boot seal and piston seal from the caliper bore.
7.
CAUTION: The parking brake lever pin retainer clip (2A746) and spring cover are
spring- loaded. Use care when removing the parking brake lever pin retainer clip.
Remove the parking brake lever pin retainer clip. zUnload the spring tension from the parking brake lever pin retainer clip and spring cover
using Screw and Cross Block, a 6- mm washer head nut and a 1/2-inch drive 14-mm
socket.
z Remove the parking brake lever pin retainer clip with suitable snap- ring pliers.
z Remove Screw and Cross Block. Klj . 2 ba
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8. Remove the following components:
1. spring cover
2. spring
3. washer
4. key plate
5. push rod
6. strut pin
7. push rod O- ring
9. Remove and discard the O- ring seal from the push rod.
10. Remove the parking brake lever (2A637). 1. Remove the parking brake return spring (2456).
2. Remove the limiting bolt (2A795).
3. Remove the parking brake lever.
4. Remove the parking brake lever shaft seal from the caliper bore.
Assembly 1. CAUTION: Do not reuse piston seals or dust boots. Install new seals or dust boots
or damage to the vehicle can occur. Klj . 3 ba
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NOTE:
Use new brake fluid when assembling and bleeding the brake system.
NOTE: Lightly lubricate the parking brake lever bore, limiting bolt, parking brake lever shaft and
parking brake shaft recess with Silicone Dielectric Compound D7AZ-19A331- A or equivalent
meeting Ford specification ESE- M1C171-A.
Follow the disassembly procedure in reverse order. Klj . 4 ba
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SPECIFICATIONS
SECTION 206-
05: Parking Brake and Actuation 2003 Mustang Workshop Manual Torque Specifications
Description Nm Lb/Ft
Parking brake control-
to-cowl nut 17 13
Brake hose clip mounting bolt 12 9 Klj . 1 ba
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DESCRIPTION AND OPERATION
Parking Brake
The parking brake system is cable-
actuated and controlled by an independent hand- operated parking
brake control (2780). To apply parking brake, pull parking brake control upward as far as possible.
The parking brake system is an AUTO- ADJUST system. The spring in the parking brake control
continuously adjusts the cable tension in the system.
Brake Warning System
A parking brake warning indicator:
zis located in the instrument panel.
z illuminates to signal the driver the parking brake is applied or to signal a low fluid condition.
z remains lit when a brake malfunction has occurred.
SECTION 206-
05: Parking Brake and Actuation 2003 Mustang Workshop Manual Item Part Number Description
1 2780 Parking brake control
2 2552 Rear disc brake caliper Klj . 1 ba
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Klj . 2 ba
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DIAGNOSIS AND TESTING
Parking Brake
Inspection and Verification
1. Verify the customer's concern by operating the parking brake system to duplicate the condition.
2. Inspect to determine if one of the following mechanical or electrical concerns apply:
3. If the inspection reveals obvious concern(s) that can be readily identified, service as necessary.
4. If concern(s) remains after the inspection, determine the symptoms. GO to Symptom Chart .
Symptom Chart
Pinpoint Tests
PINPOINT TEST A: PARKING BRAKE WILL NOT APPLY SECTION 206-
05: Parking Brake and Actuation 2003 Mustang Workshop Manual Visual Inspection Chart
Mechanical Electrical
z
Damaged parking brake control
z Binding/damaged parking brake cables z
Parking brake signal switch
Symptom Chart Condition
Possible Sources Action
z Parking Brake Will Not
Apply z
Parking brake
control.
z Parking brake
cable. z
Go To Pinpoint Test A .
z Parking Brake Will Not
Release z
Parking brake
cable.
z Parking brake
control. z
Go To Pinpoint Test B .
Test Step Result / Action to Take
A1 CHECK THE PARKING BRAKE
CABLES z
Raise and support the vehicle. Refer Yes Klj . 1 ba
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