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1993 Buick Lesabre CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Buick REPAIR SHOPS DON'T WANT YOU TO KNOW

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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 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 1993 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 1993 Buick Lesabre AUTOMOBILES

    Manual Air Conditioning & Heater System Diagnosis & Testing -> Passenger Cars -> A/C COMPONENT DIAGNOSIS & TESTING -> 1992 CAMARO & FIREBIRD -> 1992 CAPRICE, CUSTOM CRUISER & ROADMASTER -> 1992 METRO -> 1992 PRIZM -> 1993 CAMARO & FIREBIRD -> 1993 CAPRICE & ROADMASTER -> 1993 METRO -> ACHIEVA, GRAND AM & SKYLARK -> BERETTA & CORSICA -> BLOWER MOTOR -> Blower Motor Test -> Blower Resistor Assembly Test -> Blower Switch Test -> BONNEVILLE, 88 & 98 -> CAPRICE, CUSTOM CRUISER & ROADMASTER -> CAVALIER & SUNBIRD -> CENTURY & CUTLASS CIERA -> COMPRESSOR -> CORVETTE -> CUTLASS SUPREME, GRAND PRIX & LUMINA -> High Blower Relay Test -> Isolation Tests -> LEMANS -> Mode Selector Test (Cavalier) -> Mode Selector Test (Sunbird) -> STORM -> Symptom Table -> Test A: Blower Motor -> Test A: ECM Compressor Control -> Test B: A/C Compressor Clutch Test -> Test B: Blower High Speed Relay -> Test B: Blower Motor Relay -> Test C: A/C Compressor Function Control Test -> Test C: Blower Resistors -> Test D: A/C Control Relay -> Test D: Blower Switch Test -> Test E: A/C Mode Selector -> Test E: Control Relay Jumper
    Vehicle: 1993 Buick Lesabre Limited 3.8 V6 GAS

    COMPRESSOR

    1992 CAMARO & FIREBIRD
    Isolation Tests

    Refer to Figs. and , for A/C compressor isolation tests.

    Test A: ECM Compressor Control

    Refer to Figs. through , for ECM compressor control tests.

    Test B: A/C Compressor Clutch Test

    Refer to Fig. , for A/C compressor clutch test.

    Test C: A/C Compressor Function Control Test

    Perform the following test with the ignition switch in the RUN position (engine not running), A/C mode selector at NORM, and outside temperature above 60°F:

      ...

    CLICK HERE TO GET FULL ACCESS TO 1993 Buick Lesabre A/C & HEATER SERVICE PROCEDURES

    BRAKE SERVICE PROCEDURES FOR 1993 Buick Lesabre AUTOMOBILES

    Anti-lock Brakes -> Bonneville, Eighty Eight, LeSabre, Ninety Eight, Park Avenue, 1992 DeVille & Fleetwood (FWD) (Teves Type) -> Diagnosis & Testing -> 1992-93 MODELS, EXCEPT 1993 LESABRE & PARK AVENUE -> 1993-94 LESABRE & PARK AVENUE -> 1994 BONNEVILLE, 88 & 98 -> ABS System Self-Diagnosis Description -> Anti-Lock Warning Lamp -> Code Interpretation & Functional Check -> Description -> Diagnostic Tests -> History & Current ABS Codes -> Note On Intermittents -> Symptom Diagnosis -> Wiring Diagrams
    Vehicle: 1993 Buick Lesabre Limited 3.8 V6 GAS

    Description

    Anti-Lock Warning Lamp

    The amber Anti-lock warning lamp is located in the instrument panel cluster. This lamp will illuminate when the EBCM detects a malfunction in the anti-lock brake system. The warning lamp is intended only to warn the driver that a condition has been detected which results in partial or total reduction of the anti-lock brake system. Under this condition full operation of the standard hydraulic braking system is available. If both the red Brake and the amber Anti-Lock brake lights are illuminated, there may be something wrong with the hydraulic ...

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    CLICK HERE TO GET FULL ACCESS TO 1993 Buick Lesabre BRAKE SERVICE PROCEDURES

    FUEL FILTER REPLACEMENT PROCEDURES FOR 1993 Buick Lesabre AUTOMOBILES

    General Motors Corp./Saturn Passenger Cars -> Fuel Filter Replacement -> Except Aveo, Chevette 1.8L Diesel, Corvette, GTO, LaCrosse, Malibu (2004-06) & Malibu Maxx, Vibe, XLR, 2004-05 Corvette & 1998-2002 Metro & Prizm
    Vehicle: 1993 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 v...

    CLICK HERE TO GET FULL ACCESS TO 1993 Buick Lesabre FUEL FILTER REPLACEMENT PROCEDURES

    DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1993 Buick Lesabre AUTOMOBILES

    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 1993 Buick Lesabre DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES

    STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1993 Buick Lesabre AUTOMOBILES

    Starter, Replace
    Vehicle: 1993 Buick Lesabre Custom 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 1993 Buick Lesabre STARTER & ALTERNATOR REPLACEMENT PROCEDURES

    MAINTENANCE LAMP RESET PROCEDURES FOR 1993 Buick Lesabre AUTOMOBILES

    General Motors Corp./Saturn Cars -> Low Coolant Lamp ->
    Vehicle: 1993 Buick Lesabre Limited 3.8 V6 GAS

    This lamp should light when engine coolant level in the radiator drops below a predetermined le...

    CLICK HERE TO GET FULL ACCESS TO 1993 Buick Lesabre MAINTENANCE LAMP RESET PROCEDURES

    RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1993 Buick Lesabre AUTOMOBILES

    Coolant Hose, Replace -> Lower -> Upper
    Vehicle: 1993 Buick Lesabre Custom 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...

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    SERPENTINE BELT SERVICE PROCEDURES FOR 1993 Buick Lesabre AUTOMOBILES

    Serpentine Drive Belt, Replace
    Vehicle: 1993 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 1993 Buick Lesabre SERPENTINE BELT SERVICE PROCEDURES

    COMPONENT LOCATION DIAGRAMS FOR 1993 Buick Lesabre AUTOMOBILES

    Component location diagrams for most 1993 Buick Lesabre cars and light trucks sold in the U.S. from 1990+.

    LH Rear of Engine Compartment Diagram for 1993 Buick Lesabre Limited 3.8 V6 GASLH Rear of Engine Compartment Diagram for 1993 Buick Lesabre Limited 3.8 V6 GAS

    Components on diagram:
  • Wiper Motor Module
  • Engine Compartment Lamp
  • Below LH Front Seat Diagram for 1993 Buick Lesabre Limited 3.8 V6 GASBelow LH Front Seat Diagram for 1993 Buick Lesabre Limited 3.8 V6 GAS

    Components on diagram:
  • Lateral Acceleration Switch
  • Computer Command Ride Controller
  • CLICK HERE TO GET FULL ACCESS TO 1993 Buick Lesabre PARTS/COMPONENTS LOCATION DIAGRAMS!

    WIRING DIAGRAMS FOR 1993 Buick Lesabre AUTOMOBILES

    OEM drawn wiring diagrams for most 1993 Buick Lesabre cars and light trucks sold in the U.S.

    1993 Buick Lesabre Custom 3.8 V6 GAS Wiring Diagram1993 Buick Lesabre Custom 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Turn Flasher
  • Park/Neutral Position Switch
  • Luggage Compartment Lid Release Actuator
  • Panel Illumination Lamp
  • Luggage Compartment Lid Release Switch
  • 1993 Buick Lesabre Custom 3.8 V6 GAS Wiring Diagram1993 Buick Lesabre Custom 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Heater And A/C Control Assembly
  • Ashtray Lamp
  • Fuel Door/Luggage Compartment Lid Release Switch Assembly
  • Dim/Twilight Sentinel Control
  • Remote Dimmer Module
  • CLICK HERE TO GET FULL ACCESS TO 1993 Buick Lesabre WIRING DIAGRAMS!

    TECHNICAL SERVICE BULLETINS FOR 1993 Buick Lesabre AUTOMOBILES

    OEM TSB listings for most 1993 Buick Lesabre cars and light trucks sold in the U.S. from 1985+.

    Document: Car and Truck Fix It Right the First Time Issues
    Vehicle: 1993 Buick Lesabre Custom 3.8 V6 GAS

    Auto Systems:
  • Labor Times, Manuals, Warranty, Aids
  • Document: Air Conditioning Odor
    Vehicle: 1993 Buick Lesabre Custom 3.8 V6 GAS

    Symptoms:
  • Odors
  • Auto Systems:
  • Heating, A/C, Ventilation, Defogger
  • CLICK HERE TO GET FULL ACCESS TO 1993 Buick Lesabre TECHNICAL SERVICE BULLETINS!

    COMPONENT/PARTS SPECIFICATIONS FOR 1993 Buick Lesabre AUTOMOBILES

    BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1993 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 1993 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 1993 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 1993 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 1993 Buick Lesabre SPECIFICATIONS DATA!

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