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Buick Lesabre CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Buick REPAIR SHOPS DON'T WANT YOU TO KNOW
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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!
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+
Vacuum & Wiring Diagrams -> Passenger Cars -> XLR
Vehicle: 2003 Buick Lesabre Limited 3.8 V6 GAS
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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 -> Adjustments -> AC-Delco Single Diaphragm Type -> AC-Delco Tandem Diaphragm Type -> Air Method -> Brake Pedal -> Gauge Method -> Pushrod -> Toyota/GM Single Diaphragm Type
Vehicle: 2003 Buick Lesabre Custom 3.8 V6 GAS
Brake Pedal
Toyota/GM Single Diaphragm Type
- With engine running and brake pedal in rest position, measure distance between face of pedal and floor mat.
- Distance should be 5.850-6.244 inches.
- If distance is not as specified, adjust pedal height as follows:
- Remove lefthand lower instrument panel trim section and air duct.
- Loosen stop lamp switch sufficiently to access pedal adjustment.
- Loosen locknut and rotate pedal pushrod as required to obtain specified pedal height. Tighten locknut.
- Adjust brake lamp switch position so plunger lightly contacts pedal stopper and brake lamps are off when pe...
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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 -> Component Locations -> Electra (1985-90), Park Avenue (1991-98), LeSabre (1999-86), DeVille (1985-05), CTS, DTS, Fleetwood (1985-92), 88 (1999-86), 98 (1985-96), LSS, Regency, Bonneville (1987-05) & STS (2005-06)
Vehicle: 1994 Buick Lesabre Custom 3.8 V6 GAS
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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: 2005 Buick Lesabre Limited 3.8 V6 GAS
- Raise and support vehicle.
- Remove tire and wheel assembly.
- Disconnect outer tie rod end from steering knuckle.
- 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 that retains wheel drive shaft to hub.
- Remove stabilizer shaft link.
- Disconnect electrical connector from wheel speed sensor and reposition wiring harness away from ball joint.
- Disconnect lower ball joint from steering knuckle.
- Install wheel hub remover tool No. J 42129 or equivalent onto wheel hub and...
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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+.
Diagnosis & Testing -> Accessing Diagnostic Trouble Codes -> Clearing Diagnostic Trouble Codes -> Diagnostic Tests -> Intermittent & Poor Connections -> Intermittents -> Poor Connections
Vehicle: 2004 Buick Lesabre Custom 3.8 V6 GAS
Accessing Diagnostic Trouble Codes
Connect a suitably programmed scan tool to DLC (Data Link Connector) and follow manufacturer's instructions.
Diagnostic Tests
Refer to Figs. and for diagnostic test procedures.
Clearing Diagnostic Trouble Codes
Connect a suitably programmed scan tool to DLC (Data Link Connector), and follow manufacturer's instructions.
Intermittent & Poor Connections
Intermittents
Most intermittents are caused by faulty electrical connections or wiring. Inspect for the following:
- Wiring broken inside insulation.
- Poor connection between male and female terminal at c...
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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: 1995 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...
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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: 2000 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...
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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 -> Low Coolant Lamp ->
Vehicle: 2004 Buick Lesabre Custom 3.8 V6 GAS
This lamp should light when engine coolant level in the radiator drops below a predetermined le...
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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+
Radiator, Replace
Vehicle: 2004 Buick Lesabre Custom 3.8 V6 GAS
- Drain engine coolant into suitable container.
- Remove upper radiator seal.
- Remove upper radiator support bar.
- Disconnect and plug coolant overflow hose from radiator.
- Disconnect upper and lower radiator hoses from radiator and position out of way.
- Remove bolt from transmission oil cooler pipe clip at lower radiator tie bar.
- Remove cooling fans.
- Disconnect transmission fluid cooler lines from radiator using coupling tool No. J41623-B, or equivalent. Position lines aside.
- Disconnect ...
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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: 1997 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 Buick Lesabre AUTOMOBILES
Component location diagrams for most Buick Lesabre cars and light trucks sold in the U.S. from 1990+.
 RH Front of Luggage Compartment Diagram for 1994 Buick Lesabre Custom 3.8 V6 GASComponents on diagram: |
 RH Side Of Luggage Compartment Diagram for 1991 Buick Lesabre 3.8 V6 GASComponents on diagram: |
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WIRING DIAGRAMS FOR Buick Lesabre AUTOMOBILES
OEM drawn wiring diagrams for most Buick Lesabre cars and light trucks sold in the U.S.
 2005 Buick Lesabre Limited 3.8 V6 GAS Wiring DiagramComponents on diagram: |
 1995 Buick Lesabre Limited 3.8 V6 GAS Wiring DiagramComponents on diagram: |
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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+.
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Document: UPDATED BATTERY REPLACEMENT CATALOG NUMBERS Vehicle: 1994 Buick Lesabre Limited 3.8 V6 GAS Auto Systems: |
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Document: MANUAL TRANSMISSION OPERATING CHARACTERISTICS Vehicle: 1985 Buick Lesabre Custom 5.0 V8 GAS Auto Systems: |
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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
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