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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!
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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+.

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...

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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 -> Brake System Bleed -> FLUSHING HYDRAULIC SYSTEM -> MANUAL BLEEDING -> PRESSURE BLEEDING -> WHEEL BLEEDING SEQUENCE
Vehicle: 1993 Buick Lesabre Custom 3.8 V6 GAS

MANUAL BLEEDING

Pressure bleeding is recommended for all hydraulic systems. However, if a pressure bleeder is unavailable, use the following procedure. Brake fluid damages painted surfaces. Immediately clean any spilled fluid.

  • Remove vacuum reserve by pumping brakes several times with engine off.
  • Fill master cylinder reservoir with clean brake fluid. Check fluid level often during bleeding procedure; do not let reservoir fall below half full.
  • If necessary, bleed master cylinder as follows:
    • Disconnect master cylinder forward brake line connection until fluid flows from reservoir. R...

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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+.

Anti-lock Brakes -> Bonneville, Eighty Eight, LeSabre, Ninety Eight, Park Avenue, 1992 DeVille & Fleetwood (FWD) (Teves Type) -> Diagnosis & Testing -> 1992-93 MODELS, EXCEPT 1993 LESABRE & PARK AVENUE -> 1993-94 LESABRE & PARK AVENUE -> 1994 BONNEVILLE, 88 & 98 -> ABS System Self-Diagnosis Description -> Anti-Lock Warning Lamp -> Code Interpretation & Functional Check -> Description -> Diagnostic Tests -> History & Current ABS Codes -> Note On Intermittents -> Symptom Diagnosis -> Wiring Diagrams
Vehicle: 1993 Buick Lesabre Limited 3.8 V6 GAS

Description

Anti-Lock Warning Lamp

The amber Anti-lock warning lamp is located in the instrument panel cluster. This lamp will illuminate when the EBCM detects a malfunction in the anti-lock brake system. The warning lamp is intended only to warn the driver that a condition has been detected which results in partial or total reduction of the anti-lock brake system. Under this condition full operation of the standard hydraulic braking system is available. If both the red Brake and the amber Anti-Lock brake lights are illuminated, there may be something wrong with the hydraulic ...

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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 -> DESCRIPTION
Vehicle: 1993 Buick Lesabre Limited 3.8 V6 GAS

This brake assembly is of an advanced design. It operates with fewer parts, but is equal to other drum brake systems in performance. In thi...

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 -> Description -> BRAKE DISTRIBUTION VALVE & SWITCH -> BRAKE WARNING LAMP SWITCHES -> COMBINATION VALVE -> COMPONENT DESCRIPTION -> Diagonally Split System -> Failure Warning Switch -> Fluid Level Sensor -> Front & Rear Split System -> Metering Valve -> Proportioning Or Pressure Control Valve -> SYSTEM OPERATION -> Testing Warning Lamp Operation
Vehicle: 1993 Buick Lesabre Limited 3.8 V6 GAS

SYSTEM OPERATION
Front & Rear Split System

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 systems, Fig. .

If the rear (secondary) brake system fails, initial brake pedal movement will cause the unrestricted secondary piston to bottom in the master cylinder bore. Primary piston movement will displace hydraulic fluid in the primary section of the master cylinder to actuate the front brake system.

If the front (primary) brake system fails,...

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 -> Description -> AC-DELCO SINGLE DIAPHRAGM TYPE -> AC-DELCO TANDEM DIAPHRAGM TYPE -> BCIA SINGLE & TANDEM DIAPHRAGM TYPE
Vehicle: 1993 Buick Lesabre Limited 3.8 V6 GAS

AC-DELCO TANDEM DIAPHRAGM TYPE

This unit utilizes a vacuum power chamber, consisting of a front and rear shell, housing divider, front and rear diaphragm, plate assemblies, hydraulic pushrod and a diaphragm return spring, Figs. and .

The unit operates in much the same manner as the single diaphragm unit described previously. The diaphragm and plate assemblies utilize the pressure differential between the engine intake manifold vacuum and atmospheric pressure to assist in braking.

AC-DELCO SINGLE DIAPHRAGM TYPE

The AC-Delco power booster assembly, Fig. is located along the bulkhead in ...

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

Click here to view more details2005 Buick Lesabre Antenna, 1370 mm cable; A high quality antenna; May require modification or other adjustment to your vehicle upon installation; With 3 years limited CertifiedXL warranty..

Source: Auto Body Parts Store

$9.04

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 2001 Buick Lesabre Center Cap2001 Buick Lesabre Center Cap, Center Cap; Fits ALY04026; Silver With Gray Center With Chrome Color Logo; Used, , .

Source: Wheels / Rims, Mirrors & Lights Store

$23.50

Click here to view more details1989 Buick Century Custom L4, 2.5 L, 2474 CC, 151 CID Rebuilt Engine, FWD, Roller cam, Trigger fire ignition, Balance shaft, Block #980, Head #642 No oil pump supplied, Warranty: 3-Year/100,000 Mile, .

Source: Rebuilt Engines Store

$1,557.00

Click here to view more details1992 Buick Lesabre Used Parking Lamp, Passenger Side, Parklamp/Turn Signal; (below hdlp), Very Good.

Source: Used Auto Parts Store

$45.00

Click here to view more details1980 Buick Lesabre Used Parking Lamp, Driver Side, /LH SIDE MARKER, (FENDER MTD), Without Chrome, Very Good.

Source: Used Auto Parts Store

$35.00
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