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2005 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 2005 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 2005 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:

BRAKE SERVICE PROCEDURES FOR 2005 Buick Lesabre AUTOMOBILES

Hydraulic Brake Systems -> Component Service -> Assemble -> Aura, Bonneville, DTS, ION, LeSabre, Lucerne, Park Avenue, Solstice & SKY -> Aveo -> Corvette -> CTS -> Disassemble -> Except Aura, Aveo, Bonneville, Cobalt, Corvette, CTS, DTS, G5, ION, L-Series, LaCrosse, LeSabre, Lucerne, Park Avenue, Solstice, SKY, STS, Vibe & XLR -> L-Series -> LaCrosse, STS & XLR -> Master Cylinder Overhaul -> Vibe -> Wheel Cylinder Overhaul
Vehicle: 2005 Buick Lesabre Custom 3.8 V6 GAS

Master Cylinder Overhaul

Except Aura, Aveo, Bonneville, Cobalt, Corvette, CTS, DTS, G5, ION, L-Series, LaCrosse, LeSabre, Lucerne, Park Avenue, Solstice, SKY, STS, Vibe & XLR
Disassemble

Refer to Figs. and when performing the following procedures.

  • Disconnect and plug hydraulic lines.
  • Remove mounting nuts and master cylinder.
  • Remove reservoir cover and diaphragm. Discard old brake fluid.
  • Inspect cover and diaphragm.
  • Remove fluid level switch.
  • On models equipped with compact master cylinder,remove proportioning valve, Fig. .
  • On all models, depress primary piston and remove lock ring.
  • Plu...

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FUEL FILTER REPLACEMENT PROCEDURES FOR 2005 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: 2005 Buick Lesabre Limited 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...

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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2005 Buick Lesabre AUTOMOBILES

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 2005 Buick Lesabre AUTOMOBILES

Diagnosis & Testing -> Accessing Diagnostic Trouble Codes -> Clearing Diagnostic Trouble Codes -> Diagnostic Tests -> Intermittent & Poor Connections -> Intermittents -> Poor Connections
Vehicle: 2005 Buick Lesabre Limited 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 2005 Buick Lesabre AUTOMOBILES

Alternator, Replace
Vehicle: 2005 Buick Lesabre Custom 3.8 V6 GAS

  • Disconnect battery negative cable.
  • Remove drive belt.
  • Remove fuel injector sight shield.
  • Remove fasteners securing alternator brace.
  • Remove alternator brace.
  • Disconnect wiring harness connector from alternator.
  • Reposition protective boot from alternator output BAT terminal for access.
  • Remov...

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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR 2005 Buick Lesabre AUTOMOBILES

Cabin Air Filter Service -> General Motors Corp./Saturn -> 2000-05 Bonneville, LeSabre & 2001-02 Aurora
Vehicle: 2005 Buick Lesabre Limited 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 2005 Buick Lesabre AUTOMOBILES

General Motors Corp./Saturn Cars -> Check Gauge Warning Lamp ->
Vehicle: 2005 Buick Lesabre Limited 3.8 V6 GAS

The Check Gauge warning lamp will light to warn the driver to inspect the oil pressure gauge, engine coolant temperature ga...

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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2005 Buick Lesabre AUTOMOBILES

Radiator, Replace
Vehicle: 2005 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 2005 Buick Lesabre AUTOMOBILES

Serpentine Drive Belt, Replace
Vehicle: 2005 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...

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COMPONENT LOCATION DIAGRAMS FOR 2005 Buick Lesabre AUTOMOBILES

Component location diagrams for most 2005 Buick Lesabre cars and light trucks sold in the U.S. from 1990+.

Right Front Door Trim Panel Diagram for 2005 Buick Lesabre Custom 3.8 V6 GASRight Front Door Trim Panel Diagram for 2005 Buick Lesabre Custom 3.8 V6 GAS

Components on diagram:
  • Left Front Door Courtesy Lamp
  • Door Courtesy Lamp
  • Front Passenger Window Switch
  • Front Passenger Door Lock
  • HVAC Air Temperature Switch Assembly
  • Rear Window Diagram for 2005 Buick Lesabre Limited 3.8 V6 GASRear Window Diagram for 2005 Buick Lesabre Limited 3.8 V6 GAS

    Components on diagram:
  • Rear Window Defogger Grid
  • CLICK HERE TO GET FULL ACCESS TO 2005 Buick Lesabre PARTS/COMPONENTS LOCATION DIAGRAMS!

    WIRING DIAGRAMS FOR 2005 Buick Lesabre AUTOMOBILES

    OEM drawn wiring diagrams for most 2005 Buick Lesabre cars and light trucks sold in the U.S.

    2005 Buick Lesabre Limited 3.8 V6 GAS Wiring Diagram2005 Buick Lesabre Limited 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Inflatable Restraint Steering Wheel Module Coil
  • Dash Integration Module
  • Right Steering Wheel Control
  • 2005 Buick Lesabre Limited 3.8 V6 GAS Wiring Diagram2005 Buick Lesabre Limited 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Mode Actuator
  • HVAC Control Module
  • Instrument Panel Integration Module
  • Recirculation Actuator
  • Right Air Temperature Actuator
  • CLICK HERE TO GET FULL ACCESS TO 2005 Buick Lesabre WIRING DIAGRAMS!

    TECHNICAL SERVICE BULLETINS FOR 2005 Buick Lesabre AUTOMOBILES

    OEM TSB listings for most 2005 Buick Lesabre cars and light trucks sold in the U.S. from 1985+.

    Document: Revised General Motors New Vehicle Tire Warranty Program
    Vehicle: 2005 Buick Lesabre Custom 3.8 V6 GAS

    Auto Systems:
  • Labor Times, Manuals, Warranty, Aids
  • Wheels, Tires, Wheel Bearings, Seals, Hubs
  • Document: GM of Canada New Vehicle Limited Warranty Tire Program
    Vehicle: 2005 Buick Lesabre Custom 3.8 V6 GAS

    Auto Systems:
  • Labor Times, Manuals, Warranty, Aids
  • Wheels, Tires, Wheel Bearings, Seals, Hubs
  • CLICK HERE TO GET FULL ACCESS TO 2005 Buick Lesabre TECHNICAL SERVICE BULLETINS!

    COMPONENT/PARTS SPECIFICATIONS FOR 2005 Buick Lesabre AUTOMOBILES

    BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2005 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 2005 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 2005 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 2005 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 2005 Buick Lesabre SPECIFICATIONS DATA!

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