1993 Porsche 928 Brake Service (ONLINE REPAIR MANUALS)

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BRAKE SERVICE PROCEDURES FOR 1993 Porsche 928 AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1993 Porsche 928 cars and light trucks from 1990+.

Disc Brakes -> Parking Brake Service -> 911 -> 928 -> 968 -> Adjustment
Vehicle: 1993 Porsche 928 GTS 5.4 V8 GAS

Adjustment

911
  • Raise and support vehicle.
  • Remove rear wheels.
  • Release brake cable tension at adjusting nuts behind disc splash shield.
  • Insert screwdriver into adjustment opening in rear brake disc assembly.
  • Rotate parking brake adjustment sprocket so that disc can no longer be rotated by hand.
  • Repeat step 5 on opposite side.
  • Adjust cable tension until slack is removed by rotating adjustment nuts behind brake disc splash shield.
  • Remove tunnel cover and parking brake lever boot and check position of cable equalizer.
  • Position the equalizer in the two inspection holes when lever is pull...

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BRAKE SERVICE PROCEDURES FOR 1993 Porsche 928 AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1993 Porsche 928 cars and light trucks from 1990+.

Anti-lock Brakes -> System Service -> 968 -> Brake System Bleed -> Component Replacement -> Electronic Control Unit -> Hydraulic Unit
Vehicle: 1993 Porsche 928 GTS 5.4 V8 GAS

Brake System Bleed

Refer to "Hydraulic Brake System" for bleeding procedure.

Component Replacement

These components are non-serviceable and must be replaced as a unit.

Hydraulic Unit
  • Disconnect battery ground cable.
  • Mark respective positions of wheel and wheel hub for reassembly, then remove right front wheel assembly.
  • Remove wheel-arch inner panel.
  • Disconnect all brake lines, numbers one through six from hydraulic unit.
  • On all models, disconnect ground wire, then remove mounting bolts from hydraulic-unit holder.
  • Move hydraulic unit and holder out slightly to gain access to strain re...

CLICK HERE TO GET FULL ACCESS TO 1993 Porsche 928 BRAKE SERVICE PROCEDURES

BRAKE SERVICE PROCEDURES FOR 1993 Porsche 928 AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1993 Porsche 928 cars and light trucks from 1990+.

Hydraulic Brake Systems -> Brake System Bleed
Vehicle: 1993 Porsche 928 GTS 5.4 V8 GAS

Brake fluid is extremely damaging to paint. If fluid should accidentally touch painted surface, immediately wipe fluid from paint and clean painted surface.

  • Fill reservoir to rim with brake fluid, then remove filter insert.
  • Attach pressure bleeder to reservoir, then turn pressure bleeder on.
  • First bleed clutch, then mas...

CLICK HERE TO GET FULL ACCESS TO 1993 Porsche 928 BRAKE SERVICE PROCEDURES

BRAKE SERVICE PROCEDURES FOR 1993 Porsche 928 AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1993 Porsche 928 cars and light trucks from 1990+.

Hydraulic Brake Systems -> Component Replacement -> 911 -> 928 -> 968 -> Master Cylinder
Vehicle: 1993 Porsche 928 GTS 5.4 V8 GAS

Master Cylinder

911
  • Remove operating rod lockpin.
  • Remove master cylinder mounting bolt located inside on luggage compartment floor plate.
  • Drain brake fluid reservoir with suitable siphon.
  • Disconnect stop light switches, vacuum hose clamp, and brake lines.
  • Remove upper bolt from booster body and booster base retaining nuts.
  • Reverse procedure to install.
928
  • Remove intake hoses and upper section of air cleaner assembly.
  • Drain both chambers of master cylinder by pumping out brake fluid via bleeder valves of front or rear brake calipers.
  • Disconnect vacuum hose with check valve at brake b...

CLICK HERE TO GET FULL ACCESS TO 1993 Porsche 928 BRAKE SERVICE PROCEDURES

BRAKE SERVICE PROCEDURES FOR 1993 Porsche 928 AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1993 Porsche 928 cars and light trucks from 1990+.

Disc Brakes -> Brake Pad Service -> 911 -> 911 Turbo -> 928 -> 968 -> Front Brake Pads, Replace -> Rear Brake Pads, Replace
Vehicle: 1993 Porsche 928 GTS 5.4 V8 GAS

Front Brake Pads, Replace

911
  • Raise and support vehicle.
  • Using a pair of suitable pliers, remove brake pad pin retainers.
  • Drive pad retaining pins out with a suitable drift and hammer.
  • For pads that are still serviceable, mark their original positions for assembly reference.
  • Remove the pads using tool P86, Fig. .
  • Position pistons back in caliper using tool P83, Fig. . Brake fluid will be forced back into the reservoir. To prevent overflowing, siphon some fluid from reservoir.
  • Clean brake pad contact surface in their slots in the caliper. Do not use mineral solvents or s...

CLICK HERE TO GET FULL ACCESS TO 1993 Porsche 928 BRAKE SERVICE PROCEDURES

BRAKE SERVICE PROCEDURES FOR 1993 Porsche 928 AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1993 Porsche 928 cars and light trucks from 1990+.

Disc Brakes -> Caliper Service -> 911 -> 928 -> 968
Vehicle: 1993 Porsche 928 GTS 5.4 V8 GAS

911

  • Raise and support vehicle.
  • Remove wheels and brake pads.
  • Disconnect brake hydraulic line. Using a suitable device, depress and hold brake pedal to restrict flow of brake fluid from reservoir.
  • Remove caliper retaining bolts, caliper, and metal shield.
  • Loosen bleeder valve and carefully blow hydraulic fluid out of caliper. The recommended air pressure for fluid removal is 14 psi.
  • Position the caliper in a soft jaw vise and remove the clamping ring and dust boot.
  • Depress one caliper piston with tool P83 and position a wood block approximately 1/3 inches thick between the t...

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