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1993 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 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

Air Bag System Precautions -> General Motors Corp. -> Disarming -> 1990 -> 1990-93 -> 1990-95 -> 1990-97 -> 1991 -> 1991-93 -> 1991-94 -> 1991-95 -> 1992-93 -> 1992-99 -> 1993-2002 -> 1993-94 -> 1993-98 -> 1994 -> 1994-2002 -> 1994-95 -> 1994-96 -> 1994-98 -> 1995-2002 -> 1995-96 -> 1995-97 -> 1995-98 -> 1995-99 -> 1996 -> 1996-2001 -> 1996-97 -> 1997 -> 1997-2002 -> 1997-98 -> 1997-99 -> 1998-2000 -> 1998-2002 -> 1998-99 -> 1999 -> 1999-2000 -> 1999-2001 -> 1999-2002 -> 2000-02 -> 2001-02 -> 2002 -> 2003 -> 2003-04 -> 2003-04 Except Malibu Maxx -> Achieva & Skylark -> Alero -> Astro & Safari -> Aurora -> Avalanche -> Aveo -> Aztek & Rendezvous -> Beretta & Corsica -> Blazer, Jimmy, Sonoma & S-10 -> Bonneville, Eighty-Eight, LeSabre, LSS, Ninety-Eight & Regency -> Bravada, Envoy, Rainier, SSR & TrailBlazer -> C/K Series -> Camaro & Firebird -> Canyon & Colorado -> Caprice, Custom Cruiser & Roadmaster -> Catera -> Cavalier & Sunfire -> Century -> Corvette -> Coupe -> CTS -> Cutlass -> Cutlass Ciera & Cruiser -> Cutlass Supreme -> DeVille -> Eldorado -> Escalade -> Express, G Series & Savana -> Fleetwood -> Grand Am -> Grand Prix & Intrigue -> Impala -> ION -> L-Series -> Light Trucks & Vans -> Lumina -> Lumina APV, Montana, Silhouette, Trans Sport & Venture -> Malibu -> Malibu Maxx -> Metro -> Monte Carlo -> Park Avenue -> Passenger Cars -> Prizm -> Reatta, Toronado & Trofeo -> Regal -> Riviera -> S-Series -> Sedan -> Seville -> Sierra & Silverado -> SRX -> Storm -> Suburban, Tahoe, Yukon & Yukon XL -> Tracker -> Vibe -> VUE -> XLR -> Zone 1 -> Zone 10 -> Zone 12 -> Zone 2 -> Zone 3 -> Zone 4 -> Zone 5 -> Zone 6 -> Zone 7 -> Zone 8 -> Zone 9 -> Zones 1 & 7 -> Zones 2 & 6 -> Zones 5 & 9 -> Zones 7 & 9
Vehicle: 1993 Buick Lesabre Custom 3.8 V6 GAS

Passenger Cars

The Sensing and Diagnostic Module (SDM) can maintain enough voltage to cause air bag deployment for up to 10 minutes after the ignition is turned Off and the battery is disconnected. Servicing the Supplemental air bag (SIR) system during this period may result in accidental deployment and personal injury.

Achieva & Skylark
1994-96
  • Ensure front wheels are in straight-ahead position.
  • Turn ignition switch to LOCK position.
  • Remove AIR BAG fuse from fuse block.
  • On 1995 models, remove lefthand sound insulator panel to ac...

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BRAKE SERVICE PROCEDURES FOR 1993 Buick Lesabre AUTOMOBILES

Power Brake Units -> Description -> AC-DELCO SINGLE DIAPHRAGM TYPE -> AC-DELCO TANDEM DIAPHRAGM TYPE -> BCIA SINGLE & TANDEM DIAPHRAGM TYPE
Vehicle: 1993 Buick Lesabre Limited 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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FUEL FILTER REPLACEMENT PROCEDURES FOR 1993 Buick Lesabre AUTOMOBILES

General Motors Corp./Saturn Passenger Cars -> Fuel Filter Scheduled Maintenance -> 1980-06 Gasoline Engine Models Except Catera, LeMans (1988-93) Metro, Nova (1985-88), Saturn & Sprint -> Normal Service -> Severe Service
Vehicle: 1993 Buick Lesabre Custom 3.8 V6 GAS

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

CV AXLE SHAFT, Replace
Vehicle: 1993 Buick Lesabre Limited 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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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1993 Buick Lesabre AUTOMOBILES

Alternator, Replace
Vehicle: 1993 Buick Lesabre Custom 3.8 V6 GAS

  • Disconnect battery ground cable.
  • Remove drive belt.
  • Remove engine cover.
  • Remove rear pencil brace bolts.
  • Remove brace.
  • Remove alternator mounting bolts.
  • Remove output terminal nut.
  • Disconnect electrical connector.
  • Remove alternat...

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MAINTENANCE LAMP RESET PROCEDURES FOR 1993 Buick Lesabre AUTOMOBILES

General Motors Corp./Saturn Cars -> Traction Control System (TCS) Warning Lamp ->
Vehicle: 1993 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. If the warni...

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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1993 Buick Lesabre AUTOMOBILES

Heater Hose, Replace -> Inlet -> Outlet
Vehicle: 1993 Buick Lesabre Limited 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...

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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...

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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 Side of Engine Diagram for 1993 Buick Lesabre Custom 3.8 V6 GASLH Side of Engine Diagram for 1993 Buick Lesabre Custom 3.8 V6 GAS

Components on diagram:
  • Heated Oxygen Sensor
  • Rear of Engine Compartment Diagram for 1993 Buick Lesabre Custom 3.8 V6 GASRear of Engine Compartment Diagram for 1993 Buick Lesabre Custom 3.8 V6 GAS

    Components on diagram:
  • A/C Compressor Control Relay
  • Low Speed Coolant Fan Relay
  • Horn Relay
  • ABS Pump Relay
  • Blower Relay
  • 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 Limited 3.8 V6 GAS Wiring Diagram1993 Buick Lesabre Limited 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Engine Coolant Temperature (ECT) Sensor
  • High Speed Coolant Fan Relay
  • LH Coolant Fan Motor
  • Coolant Fan Resistor 2
  • 1993 Buick Lesabre Limited 3.8 V6 GAS Wiring Diagram1993 Buick Lesabre Limited 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • LH Front Door Courtesy Lamp
  • RH Front Door Courtesy Lamp
  • RH Rear Door Courtesy Lamp
  • LH Rear Door Courtesy Lamp
  • 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!

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

    Click here to view more details about 1999 Buick Lesabre Grille Assembly1999 Buick Lesabre Grille Assembly, With emblem provision, chrome frame, and black grille insert; A high quality, OE replacement complete grille and shell assembly; Backed by 1-year, unlimited-mileage warranty..

    Source: Auto Body Parts Store

    $118.22

    Click here to view more details1999 Buick Lesabre Brake Disc, Front.

    Source: Auto Body Parts Store

    $56.53

    Click here to view more details1991 Buick Lesabre 14" x 6" Alloy Wheel, Alloy Wheel; 14 X 6; 15 Slots; 5 Lug; 115MM BP; Flat Gray Silver, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $117.50

    Click here to view more details2003 Buick Century Custom V6, 3.1 L, 189 CID Rebuilt Engine, FWD, with cam sensor, flat lifters, Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

    $1,900.00

    Click here to view more details2002 Buick Lesabre Used Rear Lower Control Arm, Driver Side, 3.8, AUTO, FWD link, (crossmember to arm), Good.

    Source: Used Auto Parts Store

    $69.00

    Click here to view more details1994 Buick Lesabre Used Ignition Switch W/Key, LESABRE, Very Good.

    Source: Used Auto Parts Store

    $61.00
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