Buick Lesabre REPAIR MANUAL -- HOW TO FIX YOUR CAR OR TRUCK

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Buick Lesabre CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Buick REPAIR SHOPS DON'T WANT YOU TO KNOW

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!

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Get Full Access Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 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 Buick Lesabre automobile. Try the Automotix DIY solution today!
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Using the Automotix DIY repair procedures will save you hundreds and even thousands of dollars! In addition, it will save you hours of touring the city searching for Buick mechanics you can trust. The Automotix DIY solution is particularly affordable. A full access to the entire DIY repair procedures and diagrams for your Buick Lesabre vehicle will cost less than a single gallon of gas. Here are some of the DIY repair tips and procedures you will find here:

A/C & HEATER SERVICE PROCEDURES FOR Buick Lesabre AUTOMOBILES

Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported Buick Lesabre cars and light trucks from 1990+

Serpentine Drive Belt Routing -> Domestic Passenger Cars -> General Motors Corp. & Saturn
Vehicle: 2003 Buick Lesabre Custom 3.8 V6 GAS

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BRAKE SERVICE PROCEDURES FOR Buick Lesabre AUTOMOBILES

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

Disc Brakes -> AC-Delco Single Piston Front Disc Brake (Type 2) -> Troubleshooting -> Brake Roughness
Vehicle: 1996 Buick Lesabre Custom 3.8 V6 GAS

Brake Roughness

The most common cause of brake chatter on disc brakes is a variation in thickness of the disc. If roughness or vibration is encountered during highway operation or if pedal pulsation is experienced at low speeds, the disc may have excessive thickness variation. To check for this condition, measure the disc at 12 points with a micrometer at a radius approximately one inch from edge of disc. If thic...

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FUEL FILTER REPLACEMENT PROCEDURES FOR Buick Lesabre AUTOMOBILES

Fuel filter replacement procedures with corresponding images for most domestic and imported Buick Lesabre cars and light trucks sold in the U.S. for 1980+.

General Motors Corp./Saturn Passenger Cars -> Component Locations -> Electra (1985-90), Park Avenue (1991-98), LeSabre (1999-86), DeVille (1985-05), CTS, DTS, Fleetwood (1985-92), 88 (1999-86), 98 (1985-96), LSS, Regency, Bonneville (1987-05) & STS (2005-06)
Vehicle: 1990 Buick Lesabre Limited 3.8 V6 GAS

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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR Buick Lesabre AUTOMOBILES

Includes CV axle, universal joint, and driveline replacement, for domestic and imported Buick Lesabre cars and light trucks from 1990+.

CV AXLE SHAFT, Replace
Vehicle: 1992 Buick Lesabre Custom 3.8 V6 GAS

  • Raise and support vehicle, then remove tire and wheel assembly.
  • Install a brass drift or a screwdriver to prevent rotor from turning.
  • Remove shaft nut and washer.
  • Remove brake caliper from steering knuckle and suspend caliper assembly.
  • Remove rotor from hub and bearing assembly, then stabilizer shaft or link from control arm.
  • Remove ball joint from steering knuckle.
  • Remove drive axle from transaxle using axle shaft remover tool No. J-33008, a...

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TIRE PRESSURE MONITORING SYSTEM PROCEDURES FOR Buick Lesabre AUTOMOBILES

Description, component locations, reset procedures, relearn procedures, diagnosis and testing, wiring diagrams, component replacement, and identification of vehicles equipped and not equipped with tire pressure monitoring system for most domestic and imported Buick Lesabre cars and light trucks sold in the U.S. from mid 1990's+.

Diagnosis & Testing -> Accessing Diagnostic Trouble Codes -> Clearing Diagnostic Trouble Codes -> Diagnostic Tests -> Intermittent & Poor Connections -> Intermittents -> Poor Connections
Vehicle: 2004 Buick Lesabre Limited 3.8 V6 GAS

Accessing Diagnostic Trouble Codes

Connect a suitably programmed scan tool to DLC (Data Link Connector) and follow manufacturer's instructions.

Diagnostic Tests

Refer to Figs. and for diagnostic test procedures.

Clearing Diagnostic Trouble Codes

Connect a suitably programmed scan tool to DLC (Data Link Connector), and follow manufacturer's instructions.

Intermittent & Poor Connections

Intermittents

Most intermittents are caused by faulty electrical connections or wiring. Inspect for the following:

  • Wiring broken inside insulation.
  • Poor connection between male and female terminal at c...

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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR Buick Lesabre AUTOMOBILES

Includes starter and alternator replacement procedures for domestic and imported Buick Lesabre cars and light trucks from 1990+.

Alternator, Replace
Vehicle: 1991 Buick Lesabre Custom 3.8 V6 GAS

  • Disconnect battery ground cable.
  • Remove drive belt.
  • Remove alternator mounting bolts.
  • Disconnect connector from alternator.
  • Remove nut and B+ terminal from alternator.
  • Remove altern...

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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR Buick Lesabre AUTOMOBILES

Cabin air filter locations and replacement procedures with corresponding images for most domestic and imported Buick Lesabre cars and light trucks sold in the U.S. as equipped to the current model year.

Cabin Air Filter Service -> General Motors Corp./Saturn -> 2000-05 Bonneville, LeSabre & 2001-02 Aurora
Vehicle: 2002 Buick Lesabre Limited 3.8 V6 GAS

Under normal operating conditions the cabin air filter should be replaced every 12 months or 15,000 miles. In dusty areas change the cabin air filter more often.

  • Open the hood.
  • Lift up the cabi...

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MAINTENANCE LAMP RESET PROCEDURES FOR Buick Lesabre AUTOMOBILES

Maintenance lamp reset procedures with corresponding images for most domestic and imported Buick Lesabre cars and light trucks sold in the U.S. from 1990+.

General Motors Corp./Saturn Cars -> Active Handling System Warning Lamp ->
Vehicle: 1997 Buick Lesabre Limited 3.8 V6 GAS

This lamp should light for a approximately 6-8 seconds when the ignition is turned on as a bulb check. The lamp will also come on as the system is...

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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR Buick Lesabre AUTOMOBILES

Includes radiator, cooling and heater hose replacement procedures for domestic and imported Buick Lesabre cars and light trucks from 1990+

Coolant Hose, Replace -> Lower -> Upper
Vehicle: 1999 Buick Lesabre 3.8 V6 GAS

Lower

  • Disconnect negative battery cable.
  • Drain cooling system into a suitable container.
  • Reposition hose clamp from engine using hose clamp pliers J 38185 or equivalent.
  • Remove radiator outlet hose from engine.
  • Reposition hose clamp from radiator using hose clamp pliers J 38185 or equivalent.
  • Remove radiator outlet hose from radiator and from vehicle.
  • Reverse procedure to install...

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SERPENTINE BELT SERVICE PROCEDURES FOR Buick Lesabre AUTOMOBILES

Serpentine belt replacement procedures with corresponding images for most domestic and imported Buick Lesabre cars and light trucks sold in the U.S. from 1990+.

Serpentine Drive Belt, Replace
Vehicle: 2003 Buick Lesabre Custom 3.8 V6 GAS

  • On models equipped with airbag, disable airbag system.
  • On all models, disconnect battery ground cable.
  • Rotate tensioner counterclockwise using suitable tool to remove drive belt.
  • Remove tensioner pulley attaching bolt, then remove pulley.
  • Remove power steering pump from bracket and position aside.
  • Loosen, but do not remove, alternator attaching bolts, then remove alter...

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COMPONENT LOCATION DIAGRAMS FOR Buick Lesabre AUTOMOBILES

Component location diagrams for most Buick Lesabre cars and light trucks sold in the U.S. from 1990+.

Wiper/Washer Switch Diagram for 2004 Buick Lesabre Custom 3.8 V6 GASWiper/Washer Switch Diagram for 2004 Buick Lesabre Custom 3.8 V6 GAS

Components on diagram:
  • Headlamp Switch
  • Hazard Flasher Switch
  • Multifunction Switch
  • Turn Signal Switch
  • Washer/Wiper Components Location Diagram for 1989 Buick Lesabre  3.8 V6 GASWasher/Wiper Components Location Diagram for 1989 Buick Lesabre 3.8 V6 GAS

    Components on diagram:
  • Wiper Motor Module
  • Washer Fluid Level Switch
  • Splice S259
  • CLICK HERE TO GET FULL ACCESS TO Buick Lesabre PARTS/COMPONENTS LOCATION DIAGRAMS!

    WIRING DIAGRAMS FOR Buick Lesabre AUTOMOBILES

    OEM drawn wiring diagrams for most Buick Lesabre cars and light trucks sold in the U.S.

    1991 Buick Lesabre Limited 3.8 V6 GAS Wiring Diagram1991 Buick Lesabre Limited 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Low Speed Coolant Fan Relay
  • Coolant Fan Motor
  • ECM
  • High Speed Coolant Fan Relay
  • Coolant Temperature Sensor
  • 2003 Buick Lesabre Limited 3.8 V6 GAS Wiring Diagram2003 Buick Lesabre Limited 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Horn Relay
  • Horn Assembly
  • Inflatable Restraint Steering Wheel Module
  • Inflatable Restraint Steering Wheel Module Coil
  • Dash Integration Module
  • CLICK HERE TO GET FULL ACCESS TO Buick Lesabre WIRING DIAGRAMS!

    TECHNICAL SERVICE BULLETINS FOR Buick Lesabre AUTOMOBILES

    OEM TSB listings for most Buick Lesabre cars and light trucks sold in the U.S. from 1985+.

    Document: 18 DIGIT "SNAPSHOT/CHARGE SUMMARY" CODE NO LONGER REQUIRED FOR A/C REFRIGERANT SYSTEM REPAIRS SUBMITTED FOR WARRANTY REIMBURSEMENT - REVISED
    Vehicle: 1989 Buick Lesabre 3.8 V6 GAS

    Auto Systems:
  • Labor Times, Manuals, Warranty, Aids
  • Heating, A/C, Ventilation, Defogger
  • Document: WARRANTY ADMIN - GUIDELINES FOR CLAIMING C0034 - WINDSHIELD REPLACEMENT - REVISED
    Vehicle: 1996 Buick Lesabre Limited 3.8 V6 GAS

    Auto Systems:
  • Labor Times, Manuals, Warranty, Aids
  • CLICK HERE TO GET FULL ACCESS TO Buick Lesabre TECHNICAL SERVICE BULLETINS!

    COMPONENT/PARTS SPECIFICATIONS FOR Buick Lesabre AUTOMOBILES

    BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most Buick Lesabre cars and light trucks sold in the U.S. and Canada from 1970+.

    • Brake caliper mounting bolt torque
    • Brake drum runout, machining, & discard specs
    • Minimum brake lining thickness.
    • Brake rotor runout, parallelism, machining, discard, & finish specs

    A/C SYSTEM SPECIFICATIONS: Air conditioning refrigerant capacity and type as well as lubricant capacity for most Buick Lesabre cars and light trucks sold in the U.S. and Canada from 1980+.

    • Refrigerant capacity & type, compressor oil viscosity, total system oil capacity & compressor clutch gap

    COOLING SYSTEM BLEED: Cooling system bleeder valve identification, bleeder type and bleed procedures for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1986+.

    PREVENTIVE MAINTENANCE: Preventive maintenance recommendations and required services for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1980+. Includes severe and routine service schedules

    QUICK-LUBE and ILLUSTRATIONS: Fluid recommendations, capacities, drain plug torques, tire data, and severe service recommended preventive maintenance schedules. Information covers most Buick Lesabre cars and light trucks sold in the U.S. and Canada from 1980+. Engine and chassis service images.

    • Automatic transmission/transaxles capacities, lubricant recommendations
    • Differential/final drive capacities, lube recommendations, grades, & viscosities
    • Final drive fill & drain plug torques
    • Number of lubrication fittings & plugs
    • Power steering, brake, & clutch fluid recommendations
    • Manual transmission/transaxle capacities, lube recommendations, grades, & viscosities
    • Number of lubrication fittings & plugs
    • Power steering, brake, & clutch fluid recommendations
    • Engine oil capacities, API grade recommendations, SAE viscosity recommendations, drain plug torque
    • Severe service maintenance & interval recommendations
    • Tire sizes, wheel nut/bolt torque, pressures & rim sizes
    • Transfer case capacities, lube recommendations, grades, & viscosities

    TUNE-UP & DRIVEABILITY SPECIFICATIONS: Most tune-up specifications for most Buick Lesabre cars and light trucks sold in the U.S. and Canada from 1980+

    • Airflow sensor electrical specifications
    • Tensioning specifications for systems with automatic tensioners
    • Barometric pressure sensor specs
    • Battery group number and cranking performance
    • Crankshaft & camshaft position sensor resistance
    • Engine compression pressures
    • Coolant temperature sensor specs
    • Computer advance.
    • Diesel fuel temperature sensor resistance.
    • Distributor advance specifications
    • Ignition pickup coil resistance
    • Exhaust gas recirculation temperature sensor resistance
    • Engine fastener torque values
    • Firing order diagrams
    • Fuel system pressures
    • Generator (alternator) specs
    • Intake air temperature sensor specs
    • Ignition coil specifications
    • Fuel injector resistance
    • Engine idle speeds
    • Knock sensor resistance
    • Manifold absolute pressure sensor specs
    • Mixture control solenoid resistance
    • Voltage regulator specs
    • Spark plug applications & gaps
    • Starter motor electrical specs.
    • Tensioning specifications for systems without automatic tensioners
    • Throttle body temperature sensor resistance
    • Ignition timing in degrees at rpm
    • Transmission oil temperature sensor resistance
    • Throttle position sensor specs
    • Vacuum sensor valve specs

    CLICK HERE TO GET FULL ACCESS TO Buick Lesabre SPECIFICATIONS DATA!

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    Click here to view more details about 1996 Buick Lesabre Hood1996 Buick Lesabre Hood, A high quality, direct fit OE replacement hood..

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    $246.35

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    Click here to view more details about 2004 Buick Lesabre 16" x 6.5" Alloy Wheel2004 Buick Lesabre 16" x 6.5" Alloy Wheel, Alloy Wheel; 16 X 6.5; 51MM Offset; WEB Spokes; 5 Lug; 115MM BP; Polished, , .

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    $189.50

    Click here to view more details about 1983 Buick Skyhawk Limited L4, 2.0 L, 122 CID Rebuilt Engine1983 Buick Skyhawk Limited L4, 2.0 L, 122 CID Rebuilt Engine, OHV,Vacuum pump hole in block., Warranty: 3-Year/100,000 Mile, .

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    Click here to view more details1995 Buick Lesabre Used A/C Compressor, 3.8, AUTO, FWD 6-231 (3.8L), Very Good.

    Source: Used Auto Parts Store

    $143.00

    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.

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    $89.00
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