1997 Mercury Grand Marquis Brake Service (ONLINE REPAIR MANUALS)

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BRAKE SERVICE PROCEDURES FOR 1997 Mercury Grand Marquis AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1997 Mercury Grand Marquis cars and light trucks from 1990+.

Disc Brakes -> Rear Disc Brakes & Parking Brakes -> Adjustments -> 1997-98 Continental & Mark VIII -> 1997-98 Mustang -> Contour & Mystique -> Cougar, Crown Victoria, Grand Marquis, Thunderbird, Town Car -> Escort, Tracer & ZX2 -> Parking Brake -> Probe -> Sable & Taurus
Vehicle: 1997 Mercury Grand Marquis 4.6 V8 GAS

Parking Brake
Cougar, Crown Victoria, Grand Marquis, Thunderbird, Town Car
  • Apply parking brake control fully with 100 lbs. foot pedal effort, then release brake control.
  • Place transmission in Neutral, then raise and support vehicle.
  • With parking brake control in Off position, grasp tensioner around housing. Using an hook tool place end into rounded end of clip between clip and housing. Unlock clip by pulling downward with tool and support tensioner.
  • The tensioner spring will take up cable slack and preload cables, while holding tensioner, lock clip by pushing up on bottom of clip. If cli...

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BRAKE SERVICE PROCEDURES FOR 1997 Mercury Grand Marquis AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1997 Mercury Grand Marquis cars and light trucks from 1990+.

Power Brake Units -> Description -> Bendix Diaphragm Types -> Bendix Hydro-Boost System -> Operation -> Vacuum Assist Diaphragm Type
Vehicle: 1997 Mercury Grand Marquis 4.6 V8 GAS

On Vehicles Equipped With Anti-Lock Brakes Refer To "Anti-Lock Brakes".

Vacuum Assist Diaphragm Type

The vacuum assist diaphragm assembly multiplies the force exerted on the master cylinder piston in order to increase the hydraulic pressure delivered to the wheel cylinders while decreasing the effort necessary to obtain acceptable stopping performance.

Vacuum assist units get their energy by opposing engine vacuum to atmospheric pressure. A piston, cylinder and flexible diaphragm utilize this energy to provide brake assistance. The diaphragm is balanced with engine vacuum until the brake...

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BRAKE SERVICE PROCEDURES FOR 1997 Mercury Grand Marquis AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1997 Mercury Grand Marquis cars and light trucks from 1990+.

Disc Brakes -> Front Disc Brakes -> Caliper Service -> 1997-98 Mustang Cobra -> Aspire -> Assemble -> Contour & Mystique -> Disassemble -> Escort, Tracer & ZX2 -> Except Aspire, Contour, Escort, Mystique, Probe, Tracer, ZX2 & 1997-98 Mustang Cobra -> Except Aspire, Escort, Probe, Tracer, ZX2 & 1997-98 Mustang Cobra -> Inspection -> Overhaul -> Probe -> Replacement
Vehicle: 1997 Mercury Grand Marquis 4.6 V8 GAS

Replacement

On models with anti-lock brakes, the brake booster system must be depressurized before disconnecting any hydraulic lines or fittings. Depressurize the system by pumping the brake pedal a minimum of 25 times with the ignition in the Off position.

Except Aspire, Contour, Escort, Mystique, Probe, Tracer, ZX2 & 1997-98 Mustang Cobra

Before removing calipers, mark lefthand and righthand calipers so they can be installed in the same position.

  • On Town Car and Continental, turn air suspension service switch off if equipped.
  • On all models, raise and support front of vehicle, then ...

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BRAKE SERVICE PROCEDURES FOR 1997 Mercury Grand Marquis AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1997 Mercury Grand Marquis cars and light trucks from 1990+.

Disc Brakes -> Front Disc Brakes -> Rotor, Replace -> Installation -> Removal
Vehicle: 1997 Mercury Grand Marquis 4.6 V8 GAS

If caliper does not require servicing, do not disconnect brake hose or remove caliper from vehicle. Position caliper aside with wire or tie straps to avoid damaging caliper or hose.

If excessive force must be used to remove the rotor, then it should be inspected for lateral runout before installation.

Removal
  • On models with air suspension, turn service switch Off.
  • On all models, raise and support vehicle, then remove wheel and tire assembly. Use care to avoid damage or interference with caliper bleeder screw fitting and brake rotor shield.
  • Remove caliper anchor bracket bolts. Position...

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BRAKE SERVICE PROCEDURES FOR 1997 Mercury Grand Marquis AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1997 Mercury Grand Marquis cars and light trucks from 1990+.

Hydraulic Brake Systems -> Component Service -> Assemble -> Disassemble -> Inspection -> Master Cylinder Overhaul -> Overhaul -> Wheel Cylinders
Vehicle: 1997 Mercury Grand Marquis 4.6 V8 GAS

Master Cylinder Overhaul
Disassemble
  • Clean outside of master cylinder thoroughly. Drain brake fluid from master cylinder.
  • Remove stop bolt and pressure control valves, if equipped.
  • Using a screwdriver, carefully pry up on reservoir and remove it from master cylinder body.
  • Remove fluid control valve, if equipped.
  • Depress primary piston and remove snap ring from retaining groove at open end of bore.
  • Remove primary and secondary piston assemblies from master cylinder. If secondary piston does not come out, apply air pressure to secondary outlet port to remove.
Inspection

When disassembled...

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BRAKE SERVICE PROCEDURES FOR 1997 Mercury Grand Marquis AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1997 Mercury Grand Marquis cars and light trucks from 1990+.

Anti-Lock Brakes -> Continental, Crown Victoria, Grand Marquis, Sable, Taurus & Town Car -> System Service -> 1997 -> 1998 -> ABS Module (ECU) -> Brake System Bleed -> Component Replacement -> Continental -> Continental, Crown Victoria, Grand Marquis & Town Car -> Continental, Sable & Taurus -> Crown Victoria, Grand Marquis & Town Car -> Front Speed Indicator Ring -> Front Wheel Sensor -> Hydraulic Control Unit -> Installation -> Manual -> Pressure -> Rear Speed Indicator Ring -> Rear Wheel Sensor -> Removal -> Sable & Taurus -> Sable & Taurus Sedan -> Sable & Taurus Wagon -> Stop Lamp Switch
Vehicle: 1997 Mercury Grand Marquis 4.6 V8 GAS

Brake System Bleed

Manual

The primary and secondary (front and rear) hydraulic brake systems are individual systems and are bled separately. Bleed longest tube first on individual system being serviced. During complete bleeding operation, DO NOT allow the master cylinder reservoir to run dry. Never reuse brake fluid that has been drained from hydraulic system or has been allowed to stand in an open container for an extended period of time.

  • Clean all dirt from master cylinder filler cap, then remove cap.
  • When bleeding the primary (rear) brake system, position a suitable box wrench on ...

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