1993 Buick Lesabre Brake Service (ONLINE REPAIR MANUALS)

Auto Parts Search


Learn how to repair a car or truck, install or remove parts, wire an engine, reset warning lights, replace fuel filter, fix auto body and more. Get Automotix DIY!
Help me findSearch
Get Full Access Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1993 Buick Lesabre car and truck repair procedures including Buick engine diagrams, wiring diagrams, repair work estimating measures, technical service bulletins, auto body work guidance, starter & alternator replacement procedures, serpentine belt replacement procedures, radiator & hose replacement procedures, tune-up & drivability specifications, quick lube illustrations, preventive maintenance guide, engine light reset instructions, parts removal and install procedures, fuel filter replacement directions, component location diagrams, air filter locations & replacement instructions, a/c system specifications, and general auto service procedures. You don't have to be a car mechanic or technician to know how to fix your 1993 Buick Lesabre automobile. Try the Automotix DIY solution today!
DIY REPAIR SAMPLES > CONTINUE EXPLORING >

We have info for following modifications of 1993 Buick Lesabre

  • 1993 Buick Lesabre Custom 3.8 V6 GAS, CID:231, Fuel Injection, Aspiration:231, Engine VIN:, Desg:L
  • 1993 Buick Lesabre Limited 3.8 V6 GAS, CID:231, Fuel Injection, Aspiration:231, Engine VIN:, Desg:L

BRAKE SERVICE PROCEDURES FOR 1993 Buick Lesabre AUTOMOBILES

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

Power Brake Units -> Troubleshooting -> AC-DELCO TANDEM DIAPHRAGM TYPE -> BCIA SINGLE & TANDEM DIAPHRAGM TYPE -> Brakes Drag -> Brakes Grab -> Brakes Slow To Release Or Drag -> Brakes Slow To Respond -> Excessive Pedal Effort -> Hard Pedal -> Hard Pedal/Brakes Inefficient -> Low Or Spongy Brake Pedal -> Slow Or No Release -> TOYOTA/GM SINGLE DIAPHRAGM TYPE
Vehicle: 1993 Buick Lesabre Limited 3.8 V6 GAS

AC-DELCO TANDEM DIAPHRAGM TYPE
Hard Pedal
  • Internal vacuum leak.
  • Faulty control valve.
Brakes Grab
  • Faulty control valve.
Slow Or No Release
  • Faulty pushrod adjustment.
  • Bind in linkage.
BCIA SINGLE & TANDEM DIAPHRAGM TYPE
Brakes Grab
  • Internal vacuum leak.
  • Faulty control valve
Excessive Pedal Effort
  • Leak in booster vacuum supply.
  • Glazed linings.
  • Contaminated brake fluid.
  • Restricted filter or booster valve air passage.
  • Leak in booster vacuum supply.
  • Damaged booster or improperly assembled booster valve.
Brakes Slow To Respond
  • Restricted filter or booster valve air passage.
  • Contaminated brake fluid.
  • Leak in...

CLICK HERE TO GET FULL ACCESS TO 1993 Buick Lesabre BRAKE SERVICE PROCEDURES

BRAKE SERVICE PROCEDURES FOR 1993 Buick Lesabre AUTOMOBILES

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

Drum Brakes -> Type 8 -> Adjustments -> PARKING BRAKE ADJUSTMENT -> SERVICE BRAKE ADJUSTMENT
Vehicle: 1993 Buick Lesabre Limited 3.8 V6 GAS

SERVICE BRAKE ADJUSTMENT
  • Raise and support vehicle.
  • Mark relationship of wheel to axle, then remove wheel and tire assembly.
  • Remove brake drum. If drum is difficult to remove, proceed as follows:
    • Ensure parking brake is released.
    • Back off parking brake cable adjustment.
    • Remove access hole plug from backing plate, insert screwdriver through hole and push parking brake lever off its stop.
    • Insert punch through hole in splash shield Fig. , tap on punch to loosen drum. Then remove drum.
  • Measure inside diameter of drum using special tool J 21177-A or J22364-01 or equivalent.
  • Adjust by turning star...

CLICK HERE TO GET FULL ACCESS TO 1993 Buick Lesabre BRAKE SERVICE PROCEDURES

BRAKE SERVICE PROCEDURES FOR 1993 Buick Lesabre AUTOMOBILES

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

Drum Brakes -> Type 8 -> Brake Service -> INSTALLATION -> REMOVAL
Vehicle: 1993 Buick Lesabre Custom 3.8 V6 GAS

REMOVAL
  • Raise and support vehicle.
  • Mark relationship of wheel to axle, then remove wheel and tire assembly.
  • Remove brake drum. If drum is difficult to remove, proceed as follows:
    • Ensure parking brake is released.
    • Back off parking brake cable adjustment.
    • Remove access hole plug from backing plate, insert screwdriver through hole and push parking brake lever off its stop.
    • Insert punch through hole in splash shield Fig. , tap on punch to loosen drum. Then remove drum.
  • Remove actuator spring using special brake tool J 38400 or equivalent to pry loop end of spring from adjuster actuator, Fig. ...

CLICK HERE TO GET FULL ACCESS TO 1993 Buick Lesabre BRAKE SERVICE PROCEDURES

BRAKE SERVICE PROCEDURES FOR 1993 Buick Lesabre AUTOMOBILES

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

Hydraulic Brake Systems -> Diagnosis & Testing
Vehicle: 1993 Buick Lesabre Custom 3.8 V6 GAS

Refer to...

CLICK HERE TO GET FULL ACCESS TO 1993 Buick Lesabre BRAKE SERVICE PROCEDURES

BRAKE SERVICE PROCEDURES FOR 1993 Buick Lesabre AUTOMOBILES

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

Drum Brakes -> Type 8 -> Inspection -> ADJUSTER MECHANISM -> BACKING PLATE -> BRAKE DRUMS -> BRAKE LININGS & SPRINGS -> PARKING BRAKE CABLE
Vehicle: 1993 Buick Lesabre Custom 3.8 V6 GAS

  • If any parts are of doubtful strength or quality due to heat discoloration, or are worn, replace them.
  • Inspect wheel cylinder dust boots for signs of excessive wear or damage. If any leakage is apparent replace wheel cylinder.
  • Clean dirt and/or rust from brake drum, backing plate and all other components. Do not use compressed air or dry brush to clean brake parts. Many brake parts contain asbestos fibers which, if inhaled, can cause serious injury. Clean brake parts with a water soaked rag or a suitable vacuum cleaner to minimize airborne dust.
BRAKE DRUMS

Any time the brake drums are r...

CLICK HERE TO GET FULL ACCESS TO 1993 Buick Lesabre BRAKE SERVICE PROCEDURES

BRAKE SERVICE PROCEDURES FOR 1993 Buick Lesabre AUTOMOBILES

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

Power Brake Units -> Adjustments -> AC-Delco Type -> AIR METHOD -> BRAKE PEDAL -> GAUGE METHOD -> PUSHROD -> Single Diaphragm Type -> Toyota/GM Single Diaphragm Type
Vehicle: 1993 Buick Lesabre Custom 3.8 V6 GAS

BRAKE PEDAL
Toyota/GM Single Diaphragm Type
  • With engine running and brake pedal in rest position, measure distance between face of pedal and floor mat.
  • If distance is not 5.79-6.18 inches, adjust pedal height as follows:
    • Remove left lower instrument panel trim section and air duct.
    • Loosen stop lamp switch sufficiently to gain clearance for pedal adjustment.
    • Loosen locknut and rotate pedal pushrod as needed to obtain specified pedal height, then tighten locknut.
    • Adjust position of brake light switch so that plunger lightly contacts pedal stopper and brake lamps are off when pedal is release...

CLICK HERE TO GET FULL ACCESS TO 1993 Buick Lesabre BRAKE SERVICE PROCEDURES

Shop online for auto body parts, engines, wheels, lights...

Click here to view more details about 1996 Buick Lesabre Radiator1996 Buick Lesabre Radiator.

Source: Auto Body Parts Store

$164.69

Click here to view more details about 1999 Buick Lesabre Radiator Fan, Driver Side1999 Buick Lesabre Radiator Fan, Driver Side, 5 blades; Single type; Includes motor and shroud; A high quality, OE replacement radiator fan shroud assembly; Backed by 1-year, unlimited-mileage warranty..

Source: Auto Body Parts Store

$47.06

Click here to view more details1985 Buick Lesabre Radiator, Radiator; Plastic/Aluminum Construction; Replaces OE Copper/Brass; 1 Row, , .

Source: Wheels / Rims, Mirrors & Lights Store

$128.50

Click here to view more details1987 Buick Regal V8, 5.0 L, 305 CID Rebuilt Engine, RWD, TBI, roller lifters, Warranty: 3-Year/100,000 Mile, .

Source: Rebuilt Engines Store

$1,408.00

Click here to view more details2000 Buick Lesabre Used Parking Lamp, Passenger Side, Parklamp/Turn Signal; (bumper mtd), R., Very Good.

Source: Used Auto Parts Store

$51.00

Click here to view more details1988 Buick Lesabre Used Cooling Fan Assembly, Motor only; 6-191 (3.1L), L., std duty cooling (Without V08 opt), Very Good.

Source: Used Auto Parts Store

$89.00
More parts
Help me findSearch
Auto Repair Quick Search
Help me find
Search DIY repair manuals by VIN...
Vehicle Identification Number is a unique serial number used by the automotive industry to identify individual motor vehicles

Find out what info we have for your vehicle

Get the Complete Technical Service Bulletins!
Get the Complete Technical Service Bulletins!Access diagrams and repair information such as wiring diagrams, diagnosis and repair charts, manufacturer service bulletins, and OEM Part numbers of your 1993 Buick Lesabre vehicle.
Access the Complete guide!
Need To Fix Your Car or Truck?
Save Money With Free Car Insurance Quote
FREE car insurance quote
Enter Zip Code:
Auto Repair Quick Search
Help me find