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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+.

Power Brake Units -> Description -> AC-DELCO SINGLE DIAPHRAGM TYPE -> AC-DELCO TANDEM DIAPHRAGM TYPE -> BCIA SINGLE & TANDEM DIAPHRAGM TYPE
Vehicle: 1993 Buick Lesabre Custom 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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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 Limited 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

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) -> Tightening Specifications
Vehicle: 1993 Buick Lesabre Limited 3.8 V6 GAS

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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...

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 -> Precautions
Vehicle: 1993 Buick Lesabre Limited 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 ...

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 -> Tightening Specifications
Vehicle: 1993 Buick Lesabre Custom 3.8 V6 GAS

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

Click here to view more details about 1999 Buick Lesabre Parking Light, Driver Side1999 Buick Lesabre Parking Light, Driver Side, Bulbs not included; DOT and SAE approved; A high quality, direct fit OE replacement parking light..

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$28.21

Click here to view more details about 1995 Buick Lesabre Oxygen Sensor1995 Buick Lesabre Oxygen Sensor.

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$23.08

Click here to view more details about 2001 Buick Lesabre 15" x 6" Alloy Wheel2001 Buick Lesabre 15" x 6" Alloy Wheel, Alloy Wheel; 15 X 6; 21 Spokes; 5 Lug; 115MM BP; All Painted Silver, , .

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Click here to view more details2003 Buick Rendezvous V6, 3.4 L, 207 CID Rebuilt Engine, Warranty: 3-Year/100,000 Mile, .

Source: Rebuilt Engines Store

$1,842.00

Click here to view more details1986 Buick Lesabre Used Engine Computer, Elec Cont Unit (ECU); 8-307 (5.0L), Very Good.

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$89.00

Click here to view more details2000 Buick Lesabre Used Air Flow Meter/Sensor, 3.8, AUTO, FWD 3.8L, Very Good.

Source: Used Auto Parts Store

$107.00
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