Auto Parts Search


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

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!

    Automotive Domain Names

    Help me findSearch

    Select Year

    2005200420032002
    2001200019991998
    1997199619951994
    1993199219911990
    1989198819871986
    1985198419831982
    1981198019791978
    1977197619751974
    1973197219711970
    1969196819671966
    1965196419631962
    19611960

    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!
    DIY REPAIR SAMPLES > CONTINUE EXPLORING >
    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+

    Cooling Fans -> Passenger Cars Except Saturn -> System Diagnosis & Testing -> 1996 Century & Ciera -> 1996 Corvette -> Achieva, Grand Am & Skylark -> Aurora & Riviera -> Beretta & Corsica -> Bonneville, Eighty Eight, LeSabre, Ninety Eight, LSS, Park Avenue & Regency -> Camaro & Firebird -> Caprice, Fleetwood, Impala SS & Roadmaster -> Catera -> Cavalier & Sunfire -> Concours, DeVille, Eldorado & Seville -> Cutlass & Malibu -> Cutlass Supreme, Grand Prix, Lumina, Monte Carlo & Regal -> Metro -> Prizm
    Vehicle: 1996 Buick Lesabre Limited 3.8 V6 GAS

    Achieva, Grand Am & Skylark

    Refer to Figs. and for system diagnosis.

    Aurora & Riviera

    Refer to Figs. through for system diagnosis.

    Beretta & Corsica

    Refer to Figs. and for system diagnosis.

    Bonneville, Eighty Eight, LeSabre, Ninety Eight, LSS, Park Avenue & Regency

    Refer to Figs. and for system diagnosis.

    Camaro & Firebird

    Refer to Figs. through for system diagnosis.

    Caprice, Fleetwood, Impala SS & Roadmaster

    Refer to Fig. for system diagnosis.

    Catera

    Refer to Figs. through for ...

    CLICK HERE TO GET FULL ACCESS TO Buick Lesabre A/C & HEATER SERVICE PROCEDURES

    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+.

    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 ...

    CLICK HERE TO GET FULL ACCESS TO Buick Lesabre BRAKE SERVICE PROCEDURES

    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 -> Fuel Pressure Relief -> Except Aveo, LaCrosse, LeMans (1988-93), Malibu & Malibu Maxx (2004-05), Metro, Nova, Prizm, Spectrum & Storm -> Engine Fuel Pressure Service Port -> Engines Less Fuel Pressure Service Port
    Vehicle: 1992 Buick Lesabre Limited 3.8 V6 GAS

    Do not smoke or allow an open flame of any type when working on or near any fuel system related components. The highly flammable vapor mixtures may ignite, resulting in serious personal injury.

    Prior to disconnecting fuel lines, the fuel system pressure must be relieved to prevent accidental spray of fuel.

    After the battery has been disconnected and reconnected, some abnormal driveability symptoms may occur. The vehicle may need to be driven while the vehicle relearns its adaptive strateg...

    CLICK HERE TO GET FULL ACCESS TO Buick Lesabre FUEL FILTER REPLACEMENT PROCEDURES

    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: 2003 Buick Lesabre Limited 3.8 V6 GAS

    • Raise and support vehicle.
    • Remove tire and wheel assembly.
    • Disconnect outer tie rod end from steering knuckle. Do NOT loosen tie rod end jam nut.
    • Insert a drift or punch into brake rotor and against brake caliper in order to prevent wheel hub and bearing from turning.
    • Remove and discard wheel drive shaft spindle nut retaining wheel drive shaft to hub.
    • Remove stabilizer shaft link.
    • Disconnect electrical connector from wheel speed sensor and reposition wiring harness away from ball joint.Be sure that wheel speed sensor wiring harness is repositioned away from ball joint after dis...

    CLICK HERE TO GET FULL ACCESS TO Buick Lesabre DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES

    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+.

    Wiring Diagrams -> Wire Color Code Identification
    Vehicle: 2002 Buick Lesabre Limited 3.8 V6 GAS

    Refer to Fig. for wirin...

    [[table data]]

    CLICK HERE TO GET FULL ACCESS TO Buick Lesabre TIRE PRESSURE MONITORING SYSTEM PROCEDURES

    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: 1990 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...

    CLICK HERE TO GET FULL ACCESS TO Buick Lesabre STARTER & ALTERNATOR REPLACEMENT PROCEDURES

    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: 2003 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...

    CLICK HERE TO GET FULL ACCESS TO Buick Lesabre CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES

    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: 1998 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...

    CLICK HERE TO GET FULL ACCESS TO Buick Lesabre MAINTENANCE LAMP RESET PROCEDURES

    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+

    Heater Hose, Replace -> Inlet -> Outlet
    Vehicle: 1990 Buick Lesabre 3.8 V6 GAS

    Inlet

    • Drain cooling system into a suitable container.
    • Reposition heater hose inlet clamp at water outlet using hose clamp pliers.
    • Remove heater inlet hose from water outlet.
    • Reposition heater core inlet hose clamp at heater core using hose clamp pliers.
    • Remove hose from vehicle.
    • Reverse procedure to i...

    CLICK HERE TO GET FULL ACCESS TO Buick Lesabre RADIATOR & HOSE REPLACEMENT PROCEDURES

    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: 1994 Buick Lesabre Limited 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...

    CLICK HERE TO GET FULL ACCESS TO Buick Lesabre SERPENTINE BELT SERVICE PROCEDURES

    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+.

    Underhood Fuse Block Diagram for 2002 Buick Lesabre Limited 3.8 V6 GASUnderhood Fuse Block Diagram for 2002 Buick Lesabre Limited 3.8 V6 GAS

    Components on diagram:
  • Connector C-1
  • Connector C-2
  • Connector C-3
  • Fuse Block - Underhood
  • Digital Cluster Components Location   Diagram for 1990 Buick Lesabre  3.8 V6 GASDigital Cluster Components Location Diagram for 1990 Buick Lesabre 3.8 V6 GAS

    Components on diagram:
  • Fuel Tank Unit
  • Coolant Temperature Sender
  • Oil Pressure Sender/Switch
  • Splice S109
  • Connector C109
  • 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.

    1995 Buick Lesabre Limited 3.8 V6 GAS Wiring Diagram1995 Buick Lesabre Limited 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • RH Rear Side Marker Lamp
  • Luggage Compartment Lid Latch Switch
  • LH Rear Side Marker Lamp
  • LH License Lamp
  • RH License Lamp
  • 2000 Buick Lesabre Custom 3.8 V6 GAS Wiring Diagram2000 Buick Lesabre Custom 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Sunroof Control Module
  • Data Link Connector
  • Radio
  • Rap Relay
  • Rear 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: EXH SYS KNOCK NOISE/WATER SPLASH SHIELD - REV TWO
    Vehicle: 1991 Buick Lesabre Custom 3.8 V6 GAS

    Symptoms:
  • Noise
  • Auto Systems:
  • Exhaust System
  • Document: GUIDELINES FOR RETROFIT R-12 VHCLS TO R-134A - REV 5
    Vehicle: 1989 Buick Lesabre Custom 3.8 V6 GAS

    Auto Systems:
  • Heating, A/C, Ventilation, Defogger
  • 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!

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

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

    Source: Auto Body Parts Store

    $246.35

    Click here to view more details about 1999 Buick Lesabre Headlight, Driver Side1999 Buick Lesabre Headlight, Driver Side, Bulbs included; With corner light; 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

    $120.38

    Click here to view more details about 1996 Buick Lesabre Taillight Outter Driver Side1996 Buick Lesabre Taillight Outter Driver Side, Driver Side Outer Tail Light Assembly, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $115.50

    Click here to view more details1986 Buick Skylark Custom L4, 2.5 L, 2474 CC, 151 CID Rebuilt Engine, FWD, roller cam, block #769, head #767. With balance shaft assembly., Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

    $1,484.00

    Click here to view more details1996 Buick Lesabre Used Air Flow Meter/Sensor, 3.8, AUTO, FWD (6-231, 3.8L), 2 screw mount, Very Good.

    Source: Used Auto Parts Store

    $61.00

    Click here to view more details2000 Buick Lesabre Used Air Injection Pump, 3.8, AUTO, FWD (Calif), Very Good.

    Source: Used Auto Parts Store

    $149.00
    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 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:
    GOT A WEBSITE?Make money with Automotix

    Make money with Automotix Partner Program.

    Learn more

    Auto Repair Quick Search
    Help me find