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BRAKE SERVICE PROCEDURES FOR 1993 Mercury Grand Marquis AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1993 Mercury Grand Marquis cars and light trucks from 1990+.
Hydraulic Brake Systems -> Description -> BRAKE DISTRIBUTION VALVE & SWITCH -> BRAKE WARNING LIGHT SWITCHES -> COMBINATION VALVE -> Description -> DIAGONALLY SPLIT SYSTEMS -> Failure Warning Switch -> FRONT & REAR SPLIT SYSTEMS -> Metering Valve -> Proportioner Or Pressure Control Valves -> PROPORTIONING VALVE -> Testing -> Testing Warning Light System
Vehicle: 1993 Mercury Grand Marquis 4.6 V8 GAS
FRONT & REAR SPLIT SYSTEMS
When the brake pedal is depressed, both the primary (front brake) and the secondary (rear brake) master cylinder pistons are moved simultaneously to exert hydraulic fluid pressure on their respective independent hydraulic systems. The fluid displacement of the master cylinder is proportioned to fulfill the requirements of each of the two independent hydraulic brake systems, Fig. .
If a failure of a rear (secondary) brake system should occur, initial brake pedal movement causes the unrestricted secondary piston to bottom in the master cylinder bore. Primary p...
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BRAKE SERVICE PROCEDURES FOR 1993 Mercury Grand Marquis AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1993 Mercury Grand Marquis cars and light trucks from 1990+.
Anti-lock Brakes -> Continental, Crown Victoria, Grand Marquis, Sable, Taurus & Town Car -> Description -> 1993 Crown Victoria, Grand Marquis & Town Car -> ABS Module (Electronic Control Unit) -> Anti-Lock Brakes -> Hydraulic Control Unit -> Master Cylinder -> OPERATION -> Pedal Travel Switch -> SYSTEM COMPONENTS -> TRACTION ASSIST -> Vacuum Booster -> Wheel Sensors
Vehicle: 1993 Mercury Grand Marquis 4.6 V8 GAS
The anti-lock system (ABS), Fig. , controls each brake separately. The brake pedal force required to engage the system may vary with road surface conditions. A dry surface will require a high force, while a slippery surface will require a much less force. During system operation, the driver will sense a slight brake pedal pulsation accompanied by a rise in brake pedal height and a clicking sound. The pedal effort and pedal feel during normal braking are similar to a conventional power brake system.
SYSTEM COMPONENTS
Vacuum Booster
The diaphragm type brake booster is self-contained and ...
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BRAKE SERVICE PROCEDURES FOR 1993 Mercury Grand Marquis AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1993 Mercury Grand Marquis cars and light trucks from 1990+.
Disc Brakes -> Rear Disc Brakes & Parking Brakes -> Caliper Service -> Assemble -> CALIPER OVERHAUL -> CALIPER, REPLACE -> CAPRI -> Cleaning & Inspection -> CONTINENTAL, COUGAR, MARK VIII & THUNDERBIRD -> CROWN VICTORIA, GRAND MARQUIS & TOWN CAR -> Disassemble -> ESCORT & TRACER -> Inspection -> Installation -> MARK VII -> MUSTANG -> PROBE -> Removal -> SABLE & TAURUS
Vehicle: 1993 Mercury Grand Marquis 4.6 V8 GAS
CALIPER, REPLACE
MARK VII
Removal
- Raise and support vehicle, then remove tire and wheel assemblies.
- Disconnect fitting on rear brake tube from hose end fitting at frame mounted bracket. Plug end of brake tube to prevent fluid loss and entry of dirt.
- Remove horse shoe retaining clip from hose fitting and disengage hose from bracket.
- Disconnect parking cable from lever, Fig. , using care to avoid kinking or cutting cable or return spring, then remove screw from caliper key, Fig. , then remove caliper locating pins.
- Slide caliper key and support spring from anchor plate, Fig. , noting the...
CLICK HERE TO GET FULL ACCESS TO 1993 Mercury Grand Marquis BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1993 Mercury Grand Marquis AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1993 Mercury Grand Marquis cars and light trucks from 1990+.
Disc Brakes -> Rear Disc Brakes & Parking Brakes -> Description -> CAPRI & PROBE -> CONTINENTAL, COUGAR, MARK VII, MARK VIII, MUSTANG & THUNDERBIRD -> CROWN VICTORIA, GRAND MARQUIS & TOWN CAR -> ESCORT & TRACER
Vehicle: 1993 Mercury Grand Marquis 4.6 V8 GAS
CONTINENTAL, COUGAR, MARK VII, MARK VIII, MUSTANG & THUNDERBIRD
Sliding caliper rear disc brakes are used on Continental, Mark VII, Mark VIII, Mustang and Thunderbird, Figs. through . The caliper is basically the same as the larger front wheel caliper; however, a parking brake mechanism and a larger inner brake shoe anti-rattle spring have been added.
The parking brake lever, located at the rear of the caliper, is actuated by a cable system similar to rear drum brake applications. When the parking brake is applied, the cable rotates the lever and operating shaft, driving the caliper ...
CLICK HERE TO GET FULL ACCESS TO 1993 Mercury Grand Marquis BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1993 Mercury Grand Marquis AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1993 Mercury Grand Marquis cars and light trucks from 1990+.
Anti-lock Brakes -> Continental, Crown Victoria, Grand Marquis, Sable, Taurus & Town Car -> Troubleshooting -> PRE-TEST CHECKS
Vehicle: 1993 Mercury Grand Marquis 4.6 V8 GAS
PRE-TEST CHECKS
- Verify parking brake is completely released. If parking brake is applied, "Brake" lamp will be illuminated.
- Check brake fluid. As fluid level drops, red "Brake" lamp will illuminate. If fluid level continues to fall, amber "Check Anti-Lock Brake" lamp will illuminate and anti-lock function will be inhibited.
- Verify all of the following connectors are properly connected and in good operating condition:
- 55 pin connector of the computer module.
- 19 pin c...
CLICK HERE TO GET FULL ACCESS TO 1993 Mercury Grand Marquis BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1993 Mercury Grand Marquis AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1993 Mercury Grand Marquis cars and light trucks from 1990+.
Disc Brakes -> Rear Disc Brakes & Parking Brakes -> Adjustments -> CONTINENTAL, COUGAR, MARK VII & THUNDERBIRD -> ESCORT & TRACER -> MARK VII -> MUSTANG -> Parking Brake -> PROBE -> SABLE & TAURUS
Vehicle: 1993 Mercury Grand Marquis 4.6 V8 GAS
MARK VII
Parking Brake
- Fully release parking brake, then place transmission in neutral and support vehicle at rear axle.
- Tighten adjuster nut until levers on calipers just begin to move, then loosen adjuster nut until levers just return to stop position.
- Apply and release parking brake. Check levers on caliper to determine if they are fully returned by attempting to pull lever rearward. If lever moves, the adjustment is too tight and must be readjusted.
CONTINENTAL, COUGAR, MARK VII & THUNDERBIRD
Parking Brake
- Fully release parking brake, then place transmission in neutral and support vehi...
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