Auto Parts Search
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!Select Section
- Component Locations
- Wiring Diagrams
- Technical Service Bulletins
- Specifications
- A/C & Heater Service
- Brake Service
- Fuel Filter Replacement
- Driveline, U-Joint & CV Axles Replacement
- Starter & Alternator Replacement
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service
A/C & HEATER SERVICE PROCEDURES FOR 1993 Buick Lesabre AUTOMOBILES
Cooling Fans -> Passenger Cars Except Saturn -> 1993 FLEETWOOD -> COMPONENT REPLACEMENT -> COOLANT FAN, REPLACE -> DESCRIPTION -> Less Heavy Duty Cooling System -> SYSTEM DIAGNOSIS & TESTING -> With Heavy Duty Cooling System
Vehicle: 1993 Buick Lesabre Limited 3.8 V6 GAS
DESCRIPTION
The primary and secondary coolant fans are turned on and off by the ECM based on inputs from A/C head pressure, engine coolant temperature, vehicle speed and A/C request signals.
The primary cooling fan is turned On when vehicle speed is below 35 mph, diagnostic trouble codes (DTC) 14 or 15 are present, coolant temperature is greater than 226°F or high A/C pressure is indicated.
The secondary cooling fan is controlled by the ECM through the engine coolant temperature sensor. The A/C cooling fan switch, on the A/C high pressure line, is grounded whe...
CLICK HERE TO GET FULL ACCESS TO 1993 Buick Lesabre A/C & HEATER SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1993 Buick Lesabre AUTOMOBILES
Drum Brakes -> Type 8 -> Brake Service -> INSTALLATION -> REMOVAL
Vehicle: 1993 Buick Lesabre Custom 3.8 V6 GAS
REMOVAL
- Raise and support vehicle.
- Mark relationship of wheel to axle, then remove wheel and tire assembly.
- Remove brake drum. If drum is difficult to remove, proceed as follows:
- Ensure parking brake is released.
- Back off parking brake cable adjustment.
- Remove access hole plug from backing plate, insert screwdriver through hole and push parking brake lever off its stop.
- Insert punch through hole in splash shield Fig. , tap on punch to loosen drum. Then remove drum.
- Remove actuator spring using special brake tool J 38400 or equivalent to pry loop end of spring from adjuster actuator, Fig. ...
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 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: 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 vehicle relearns its adaptive strateg...
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 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...
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
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...
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 -> Active Handling System Warning Lamp ->
Vehicle: 1993 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. The lamp will also come on as the system is...
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 Limited 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 1993 Buick Lesabre RADIATOR & HOSE REPLACEMENT PROCEDURES
SERPENTINE BELT SERVICE PROCEDURES FOR 1993 Buick Lesabre AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 1993 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 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+.
Behind Center of I/P Diagram for 1993 Buick Lesabre Limited 3.8 V6 GAS Components on diagram: |
LH Side of Engine Diagram for 1993 Buick Lesabre Limited 3.8 V6 GAS Components on diagram: |
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 Diagram Components on diagram: |
1993 Buick Lesabre Limited 3.8 V6 GAS Wiring Diagram Components on diagram: |
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: |
Document: Air Conditioning Odor Vehicle: 1993 Buick Lesabre Custom 3.8 V6 GAS Symptoms: |
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...
More parts |
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 1993 Buick Lesabre vehicle. |
Access the Complete guide! |