Auto Parts Search


      Over 40 million used auto parts online. Shop online for auto and truck parts and save up to 75%

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 -> General Service
Vehicle: 1993 Buick Lesabre Custom 3.8 V6 GAS

Two basic types of power assist mechanisms are used: vacuum assist diaphragm assemblies, which use engine vacuum or, in some cases vacuum pressure developed by an external vacuum pump. The second type is a hydraulic pressure assist mechanism, which use pressure developed by an external pump (usually the power steering pump). Both systems act to increase the force exerted on the master cylinder piston by the operator. This in turn increases the hydraulic pressure delivered to the wheel cylinders, while decreasing driver effort necessary to obtain acceptable stopping performance.

V...

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 -> Hydraulic Brake System Specifications
Vehicle: 1993 Buick Lesabre Limited 3.8 V6 GAS

[[table data]]

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 -> Component Service -> Assemble -> CORVETTE -> Disassemble -> EXCEPT CORVETTE -> MASTER CYLINDER OVERHAUL -> WHEEL CYLINDER OVERHAUL
Vehicle: 1993 Buick Lesabre Limited 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...

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 -> 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 Custom 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+.

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+.

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 Limited 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 ...

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 Splash Shield, Front, Driver Side1996 Buick Lesabre Splash Shield, Front, Driver Side, A high quality, OE replacement splash shield; Backed by 1-year, unlimited-mileage warranty..

Source: Auto Body Parts Store

$22.12

Click here to view more details about 1996 Buick Lesabre Headlight, Driver Side1996 Buick Lesabre Headlight, Driver Side, Bulbs included; With parking light; Without black trim; Composite and combination type; DOT and SAE approved; A high quality, OE replacement headlight assembly; Backed by 1-year, unlimited-mileage warranty..

Source: Auto Body Parts Store

$61.91

Click here to view more details about 1985 Buick Lesabre 15" x 6" Steel Wheel1985 Buick Lesabre 15" x 6" Steel Wheel, Steel Wheel; 15 X 6; Solid Disc; 5 Lug; 5 Inch BP; Ident BX; Silver, , .

Source: Wheels / Rims, Mirrors & Lights Store

$69.50

Click here to view more details1979 Buick Opel L4, 1.8 L, 1816 CC Rebuilt Engine, Luv G180 series with mechanical fuel pump., Warranty: 3-Year/100,000 Mile, .

Source: Rebuilt Engines Store

$1,615.00

Click here to view more details2002 Buick Lesabre Used Hub Bearing , Driver Side, Rear, Very Good.

Source: Used Auto Parts Store

$73.00

Click here to view more details1986 Buick Lesabre Used Condenser Assembly, 4.1, COL, FWD, Very Good.

Source: Used Auto Parts Store

$127.00
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