Buick Century REPAIR MANUAL -- HOW TO FIX YOUR CAR OR TRUCK

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Buick Century 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 Buick Century 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 Century 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 Buick Century 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 Buick Century 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 Century cars and light trucks from 1990+

Automatic Temperature Control Systems Diagnosis & Testing -> Cutlass Supreme, Grand Prix, Lumina, Monte Carlo, Regal & 1997 Century -> Diagnosis & Testing -> Accessing Diagnostic Trouble Codes (DTCs) -> Clearing Diagnostic Trouble Codes -> Diagnostic Tests -> Diagnostic Trouble Code Interpretation -> Intermittents
Vehicle: 1997 Buick Century Custom 3.1 V6 GAS

Before beginning diagnosis on this system, it is important to know how a properly operating system should work. Refer to Figs. and to compare and check system operations.

Accessing Diagnostic Trouble Codes (DTCs)

To access the display panel diagnostic system depress the "AUTO" and "OFF" buttons at the same time.

There are two display modes within the system diagnostics, the "Diagnostic Pointer" and the "Diagnostic Value." By rotating the "FAN" knob in either direction, the display will be toggled between Pointer and Value. Rotating the "TEMP" knob will switch diagno...

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BRAKE SERVICE PROCEDURES FOR Buick Century AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported Buick Century cars and light trucks from 1990+.

Disc Brakes -> AC-Delco Single Piston Front Disc Brake (Type 2) -> Rotor, Replace
Vehicle: 1997 Buick Century Custom 3.1 V6 GAS

  • Raise and support vehicle, then remove tire and wheel assembly.
  • Remove caliper assembly from rotor as described in "Caliper Service."
  • Remove...

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FUEL FILTER REPLACEMENT PROCEDURES FOR Buick Century AUTOMOBILES

Fuel filter replacement procedures with corresponding images for most domestic and imported Buick Century cars and light trucks sold in the U.S. for 1980+.

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: 1995 Buick Century Special 3.1 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 Buick Century AUTOMOBILES

Includes CV axle, universal joint, and driveline replacement, for domestic and imported Buick Century cars and light trucks from 1990+.

CV AXLE SHAFT, Replace
Vehicle: 1998 Buick Century Limited 3.1 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 axle nut and washer.
  • Remove ball joint pinch bolt, then using a suitable pry bar, separate ball joint from knuckle.
  • Remove drive axle from hub and bearing assembly using front hub spindle remover t...

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TIRE PRESSURE MONITORING SYSTEM PROCEDURES FOR Buick Century 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 Century 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 Century Limited 3.1 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. through 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 ...

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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR Buick Century AUTOMOBILES

Includes starter and alternator replacement procedures for domestic and imported Buick Century cars and light trucks from 1990+.

Alternator, Replace
Vehicle: 1990 Buick Century Limited 2.5 L4 GAS

  • Remove air cleaner assembly.
  • Disconnect battery ground cable.
  • Disconnect electrical connector from alternator.
  • Remove drive belt.
  • Remove generator mounting bolts.
  • Remove bolt from brace to alternator.
  • Remove nut from...

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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR Buick Century AUTOMOBILES

Cabin air filter locations and replacement procedures with corresponding images for most domestic and imported Buick Century cars and light trucks sold in the U.S. as equipped to the current model year.

Cabin Air Filter Service -> General Motors Corp./Saturn -> 1997-2005 Century, Regal, 1998-2002 Intrigue & 2000-05 Impala & Monte Carlo
Vehicle: 2005 Buick Century Custom 3.1 V6 GAS

Under normal operating conditions the cabin air filter should be replaced every 15,000 miles. In dusty areas change the cabin air filter more often.

  • Place the windshield wipers in the up position by turning the ignition switch Off when the wipers reach the desired position.
  • Open the hood.
  • Lift the righthand side of the rear hood seal from the flange in the area of the rig...

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MAINTENANCE LAMP RESET PROCEDURES FOR Buick Century AUTOMOBILES

Maintenance lamp reset procedures with corresponding images for most domestic and imported Buick Century cars and light trucks sold in the U.S. from 1990+.

General Motors Corp./Saturn Cars -> Check Gauge Warning Lamp ->
Vehicle: 1997 Buick Century Custom 3.1 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 Buick Century AUTOMOBILES

Includes radiator, cooling and heater hose replacement procedures for domestic and imported Buick Century cars and light trucks from 1990+

Coolant Hose, Replace -> Lower -> Upper
Vehicle: 1992 Buick Century Custom 2.5 L4 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 Buick Century AUTOMOBILES

Serpentine belt replacement procedures with corresponding images for most domestic and imported Buick Century cars and light trucks sold in the U.S. from 1990+.

Serpentine Drive Belt, Replace
Vehicle: 2005 Buick Century Custom 3.1 V6 GAS

  • Disconnect battery ground cable.
  • Rotate tensioner counterclockwise using suitable tool to remove ...

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COMPONENT LOCATION DIAGRAMS FOR Buick Century AUTOMOBILES

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

Rear RH Side Of Radiator Diagram for 1989 Buick Century Estate Wagon 3.3 V6 GASRear RH Side Of Radiator Diagram for 1989 Buick Century Estate Wagon 3.3 V6 GAS

Components on diagram:
  • Low Coolant Probe
  • Below LH Side Of I/P  Diagram for 1989 Buick Century Estate Wagon 2.5 L4 GASBelow LH Side Of I/P Diagram for 1989 Buick Century Estate Wagon 2.5 L4 GAS

    Components on diagram:
  • Brake Switch
  • Cruise Control Module
  • Vacuum Release Valve
  • Splice S243
  • Connector C229
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    WIRING DIAGRAMS FOR Buick Century AUTOMOBILES

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

    1993 Buick Century Limited 3.3 V6 GAS Wiring Diagram1993 Buick Century Limited 3.3 V6 GAS Wiring Diagram

    Components on diagram:
  • Radio
  • Convenience Center
  • Light Switch
  • Multi-Function Alarm Module
  • Headlight Dimmer Switch
  • 2004 Buick Century Limited 3.1 V6 GAS Wiring Diagram2004 Buick Century Limited 3.1 V6 GAS Wiring Diagram

    Components on diagram:
  • Powertrain Control Module
  • AC Compressor Clutch
  • HVAC Control Module
  • AC Clutch Relay
  • AC Refrigerant Pressure Sensor
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    TECHNICAL SERVICE BULLETINS FOR Buick Century AUTOMOBILES

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

    Document: BUMPS OR RUST COLORED SPOTS IN PAINT DUE TO RAIL OR IRON DUST - REVISED
    Vehicle: 1995 Buick Century Special 3.1 V6 GAS

    Auto Systems:
  • Finishes, Body Structure, Frame, Bumpers
  • Document: POWERTRAIN QUALITY CENTER FOR ENGINE AND TRANSMISSION ASSEMBLY AND TRANSFER CASE REPLACEMENT - REVISED
    Vehicle: 1994 Buick Century Special 2.2 L4 GAS

    Auto Systems:
  • Labor Times, Manuals, Warranty, Aids
  • CLICK HERE TO GET FULL ACCESS TO Buick Century TECHNICAL SERVICE BULLETINS!

    COMPONENT/PARTS SPECIFICATIONS FOR Buick Century AUTOMOBILES

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

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