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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+

    Manual Air Conditioning & Heater System Diagnosis & Testing -> Passenger Cars -> Heater Troubleshooting
    Vehicle: 1998 Buick Lesabre Limited 3.8 V6 GAS

    Refer to "Diagnostic ... "

    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+.

    HYDRAULIC BRAKE SYSTEM, GENERAL MOTORS -> TROUBLESHOOTING -> CHECKING FOR FLUID LEAKAGE -> ROAD TESTING
    Vehicle: 1990 Buick Lesabre Limited 3.8 V6 GAS

    When troubleshooting the hydraulic brake system, perform the following checks and inspections as outlined below. If problem still exists within system, refer toFig. first, then toFig. as necessary.

    ROAD TESTING

    When testing brakes, ensure the road is level and dry. Test brakes at both light and heavy pedal pressure. Do not lock up brakes or slide tires during a brake test.

    Check the tires on the vehicle before performing a brake test. Tires should be equally inflated, identical in size ...

    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 Custom 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: 1993 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...

    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+.

    Starter, Replace
    Vehicle: 1992 Buick Lesabre Limited 3.8 V6 GAS

    When removing starter, note if any shims are used between starter and mounting surface. If shims are found, reinstall in original locations.

    If starter is noisy during cranking, remove one .015 inch double shim or add one .015 inch single shim to outer bolt. If starter makes a high pitched whine after engine start, add .015 inch double shims until noise ceases.

    • Disconnect batter...

    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: 2001 Buick Lesabre Custom 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 -> Air Bag Warning Lamp ->
    Vehicle: 1997 Buick Lesabre Custom 3.8 V6 GAS

    This lamp should light for a approximately 6-8 seconds when the ignition is turned on as a bulb check. If the air b...

    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+

    Coolant Hose, Replace -> Lower -> Upper
    Vehicle: 1991 Buick Lesabre 3.8 V6 GAS

    Lower

    • Drain cooling system into a suitable container.
    • Reposition hose clamp from radiator using hose clamp pliers.
    • Remove radiator outlet hose from radiator.
    • Reposition hose clamp from water pump housing using hose clamp pliers.
    • Remove radiator outlet hose from water pump housing and 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: 2001 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...

    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+.

    Rear Of Engine Compartment Diagram for 1997 Buick Lesabre Custom 3.8 V6 GASRear Of Engine Compartment Diagram for 1997 Buick Lesabre Custom 3.8 V6 GAS

    Components on diagram:
  • Blower Motor
  • Connector C-101
  • Grommet P-101
  • 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.

    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
  • 1987 Buick Lesabre Limited 3.8 V6 GAS Wiring Diagram1987 Buick Lesabre Limited 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • A/C Compressor Control Relay
  • Relay Center
  • A/C Compressor Clutch
  • A/C High Pressure Cutout Switch
  • Electronic Control 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: DISTORTION IN OUTER SURFACE OF VEHICLE GLASS - REVISED
    Vehicle: 1988 Buick Lesabre Limited 3.8 V6 GAS

    Auto Systems:
  • Glass, Doors, Hood, Decklid, Tailgate, Liftgate, Locks
  • Document: METAL PANEL BONDING - REVISED
    Vehicle: 1986 Buick Lesabre Estate Wagon 5.0 V8 GAS

    Auto Systems:
  • Finishes, Body Structure, Frame, Bumpers
  • 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 1999 Buick Lesabre Splash Shield, Driver Side, Front1999 Buick Lesabre Splash Shield, Driver Side, Front, A High Quality, Direct Fit OE Replacement For Splash Shield.

    Source: Auto Body Parts Store

    $2.30

    Click here to view more details about 1999 Buick Lesabre Radiator Fan, Driver Side1999 Buick Lesabre Radiator Fan, Driver Side, 5 blades; Single type; Includes motor and shroud; A high quality, OE replacement radiator fan shroud assembly; Backed by 1-year, unlimited-mileage warranty..

    Source: Auto Body Parts Store

    $47.06

    Click here to view more details about 2005 Buick Lesabre Power Door Mirror, Passenger Side2005 Buick Lesabre Power Door Mirror, Passenger Side, PASSENGER SIDE POWER DOOR MIRROR, WITH HEATED GLASS, WITHOUT SIGNAL, WITHOUT MEMORY, PAINT TO MATCH, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $104.45

    Click here to view more details1988 Buick Skylark Custom V6, 3.0 L, 181 CID Rebuilt Engine, FWD, Low deck block, Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

    $1,408.00

    Click here to view more details1982 Buick Lesabre Used Exhaust Manifold, 8-305 (5.0L), R., Very Good.

    Source: Used Auto Parts Store

    $79.00

    Click here to view more details2001 Buick Lesabre Used Wiper Motor Front, LESABRE, Very Good.

    Source: Used Auto Parts Store

    $70.00
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