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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+.

Disc Brakes -> AC-Delco Single Piston Front Disc Brake (Type 2) -> Rotor, Replace -> CAMARO & FIREBIRD -> EXCEPT CAMARO & FIREBIRD
Vehicle: 1993 Buick Lesabre Limited 3.8 V6 GAS

EXCEPT CAMARO & FIREBIRD
  • Raise and support vehicle, then remove tire and wheel assembly.
  • Remove caliper assembly from rotor as described in "Caliper Service."
  • Remove caliper assembly mounting bracket attaching bolts, then the mounting bracket.
  • Remove rotor from hub and bearing assembly.
  • Reverse procedure to install.
CAMARO & FIREBIRD
  • Remove caliper as described in "Caliper Removal" under "Caliper Service."
  • Remove caliper mounting bracket attaching bolts, then the caliper mounting bracket.
  • Remove wheel bearing lubricant cap...

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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 -> Component Service -> Assemble -> CORVETTE -> Disassemble -> EXCEPT CORVETTE -> MASTER CYLINDER OVERHAUL -> WHEEL CYLINDER OVERHAUL
Vehicle: 1993 Buick Lesabre Custom 3.8 V6 GAS

MASTER CYLINDER OVERHAUL
EXCEPT CORVETTE
Disassemble

Refer to Figs. and when performing the following procedures.

  • Remove master cylinder from vehicle as follows:
    • Disconnect and plug hydraulic lines.
    • Remove two master cylinder attaching nuts, then the master cylinder.
  • Remove reservoir cover and diaphragm. Discard old brake fluid in reservoir.
  • Inspect cover and diaphragm. Replace if cut, cracked or deformed.
  • Remove fluid level switch, if equipped.
  • On models with compact master cylinder, remove proportioner valve assembly, Fig. .
  • Depress primary piston and remove lock ring.
  • Plug primary fl...

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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+.

Power Brake Units -> Precautions
Vehicle: 1993 Buick Lesabre Custom 3.8 V6 GAS

  • After disassembling a power brake unit, soak all metal parts in solvent.
  • Use only alcohol on parts containing rubber. After the parts have been thoroughly cleaned and rinsed in solvent, they should be rewashed in clean alcohol before assembling.
  • Use compressed air to blow dirt and cleaning fluid from the recesses and internal passages.
  • Always use ...

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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 -> 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 Custom 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,...

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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+.

Disc Brakes -> AC-Delco Single Piston Front Disc Brake (Type 2) -> Precautions
Vehicle: 1993 Buick Lesabre Limited 3.8 V6 GAS

  • Grease or any other foreign material must be kept off the brake linings, caliper, surfaces of the disc and external surfaces of the hub, during service procedures. Handling the brake disc and caliper should be done in a way to avoid deformation of the disc and nicking or scratching brake linings.
  • If inspection reveals rubber piston seals are worn or damaged, they should be replaced immediately.
  • During removal and installation of a wheel assembly, exercise care so as not to interfere wi...

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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+.

Power Brake Units -> Power Brake Unit Service -> AC-DELCO TANDEM DIAPHRAGM TYPE -> Assemble -> Assembly -> BCIA SINGLE DIAPHRAGM TYPE -> BCIA TANDEM DIAPHRAGM TYPE -> Disassemble -> Disassembly -> GEO METRO SINGLE DIAPHRAGM TYPE -> OVERHAUL -> TOYOTA/GM SINGLE DIAPHRAGM TYPE
Vehicle: 1993 Buick Lesabre Custom 3.8 V6 GAS

AC-DELCO TANDEM DIAPHRAGM TYPE
OVERHAUL
Disassemble
  • Remove pedal pushrod boot, silencer, check valve, vacuum switch and grommets, as equipped, then the front housing seal.
  • Scribe matching marks between front and rear housing sections, then mount booster assembly in suitable holding fixture with rear housing facing up.
  • Apply pressure to housing with holding fixture forcing screw and rotate rear housing counterclockwise to unlock housing halves.
  • Slowly release spring tension, then remove booster assembly from holding fixture. Do not allow spring tension to release suddenly, as ...

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

Click here to view more details about 1996 Buick Lesabre Tail Light, Passenger Side1996 Buick Lesabre Tail Light, Passenger Side.

Source: Auto Body Parts Store

$112.87

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 details2005 Buick Lesabre Passenger Side Head Light Lens And Housing, Passenger Side Head Light Lens And Housing; For Limited Model; With Fluted High Beam Surface, , .

Source: Wheels / Rims, Mirrors & Lights Store

$119.50

Click here to view more details1999 Buick Riviera V6, 3.8 L, 231 CID Rebuilt Engine, Warranty: 3-Year/100,000 Mile, .

Source: Rebuilt Engines Store

$2,075.00

Click here to view more details1992 Buick Lesabre Used Air Cleaner Assembly, 3.8, AUTO, FWD LESABRE, Very Good.

Source: Used Auto Parts Store

$80.00

Click here to view more details1992 Buick Lesabre Used Exhaust Manifold, 6-231 (3.8L), L. (Fr), w/integral crossover pipe, Very Good.

Source: Used Auto Parts Store

$103.00
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