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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+

    Cooling Fans -> Passenger Cars Except Saturn -> Technical Service Bulletins -> Bonneville, Century, Cutlass Ciera & Cruiser, Eighty Eight, LeSabre, Ninety Eight & Park Avenue -> Cooling Fan Discharges Battery
    Vehicle: 1996 Buick Century Custom 3.1 V6 GAS

    Cooling Fan Discharges Battery
    Bonneville, Century, Cutlass Ciera & Cruiser, Eighty Eight, LeSabre, Ninety Eight & Park Avenue

    On these models, this condition may occur, and if the cooling fan relay has failed because its contact points stuck together, the cause may either be the air conditioning system or the cooling fan temperature switch.

    If the cooling fan motor is operating within acceptable current draw limits (20 amps on low speed or 35 amps on high speed), inspect the A/C high side pressure with the system operating. High side pressure s...

    CLICK HERE TO GET FULL ACCESS TO Buick Century A/C & HEATER SERVICE PROCEDURES

    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 -> Brake System Bleed -> Bleed Sequence -> Manual -> Pressure
    Vehicle: 2005 Buick Century Special Edition 3.1 V6 GAS

    Manual

    Pressure bleeding is recommended for all hydraulic systems. However, if a pressure bleeder is unavailable, use the following procedure. Brake fluid damages painted surfaces. Immediately clean any spilled fluid.

    • Remove vacuum reserve by pumping brakes several times with engine off.
    • Fill master cylinder reservoir with clean brake fluid. Do not let reservoir fall below half full during bleeding procedure.
    • If required, bleed master cylinder as follows:
      • Loosen master cylinder forward brake line connection until fluid flows from reservoir, then tighten brake line.
      • Have assistant t...

    CLICK HERE TO GET FULL ACCESS TO Buick Century BRAKE SERVICE PROCEDURES

    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 Filter Replacement -> Except Aveo, Chevette 1.8L Diesel, Corvette, GTO, LaCrosse, Malibu (2004-06) & Malibu Maxx, Vibe, XLR, 2004-05 Corvette & 1998-2002 Metro & Prizm
    Vehicle: 1999 Buick Century Custom 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 v...

    CLICK HERE TO GET FULL ACCESS TO Buick Century FUEL FILTER REPLACEMENT PROCEDURES

    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: 1994 Buick Century Custom 2.2 L4 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 Buick Century DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES

    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+.

    Component Locations
    Vehicle: 2002 Buick Century Limited 3.1 V6 GAS

    Refer to Figs. ...

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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+.

    Starter, Replace
    Vehicle: 1991 Buick Century Special 2.5 L4 GAS

    • Remove air cleaner assembly.
    • Disconnect battery ground cable.
    • Raise and support vehicle.
    • Remove brace from A/C compressor to engine.
    • Remove bolts from flywheel inspection cover.
    • Remove flywheel inspection cover.
    • Remove starter motor mounting bolt...

    CLICK HERE TO GET FULL ACCESS TO Buick Century STARTER & ALTERNATOR REPLACEMENT PROCEDURES

    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 Special Edition 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...

    CLICK HERE TO GET FULL ACCESS TO Buick Century CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES

    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 -> Reduce Engine Power Indicator Lamp ->
    Vehicle: 2003 Buick Century Custom 3.1 V6 GAS

    The Reduce Engine Power indicator lamp should light for a approximately 3 seconds when the ignition is turned on as a bulb check. If the warning lamp turns on during vehicle operation, a vehicl...

    CLICK HERE TO GET FULL ACCESS TO Buick Century MAINTENANCE LAMP RESET PROCEDURES

    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: 1999 Buick Century Limited 3.1 V6 GAS

    Lower

    • Drain cooling system into a suitable container.
    • Reposition hose clamp from water pump housing using hose clamp pliers J 38185 or equivalent.
    • Remove radiator outlet hose from water pump housing.
    • Remove lower radiator air deflector.
    • Reposition hose clamp from radiator using hose clamp pliers J 38185 or equivalent.
    • Remove radiator outlet hose from radiator and from vehicle.
    • Reverse procedu...

    CLICK HERE TO GET FULL ACCESS TO Buick Century RADIATOR & HOSE REPLACEMENT PROCEDURES

    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: 1993 Buick Century Custom 3.3 V6 GAS

    • Disconnect battery ground cable.
    • Support engine using suitable tool.
    • Remove engine mount to body bracket bolts in wheelwell.
    • Remove engine mount to body bracket and engine bracket bolts in engine compartment.
    • Remove engine mount.
    • ...

    CLICK HERE TO GET FULL ACCESS TO Buick Century SERPENTINE BELT SERVICE PROCEDURES

    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+.

    RH Rear Of Engine Compartment  Diagram for 1990 Buick Century Limited 3.3 V6 GASRH Rear Of Engine Compartment Diagram for 1990 Buick Century Limited 3.3 V6 GAS

    Components on diagram:
  • Vehicle Speed Sensor
  • Detonation Sensor
  • Oil Pressure Switch
  • Fuel Pump/Oil Pressure Sender/Switch
  • Idle Speed Power Steering Pressure Switch
  • Engine Wiring Harness & Components  Diagram for 1990 Buick Century Custom 2.5 L4 GASEngine Wiring Harness & Components Diagram for 1990 Buick Century Custom 2.5 L4 GAS

    Components on diagram:
  • Engine Wiring Harness & Components
  • CLICK HERE TO GET FULL ACCESS TO Buick Century PARTS/COMPONENTS LOCATION DIAGRAMS!

    WIRING DIAGRAMS FOR Buick Century AUTOMOBILES

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

    1989 Buick Century Estate Wagon 3.3 V6 GAS Wiring Diagram1989 Buick Century Estate Wagon 3.3 V6 GAS Wiring Diagram

    Components on diagram:
  • Ignition Switch
  • Instrument Cluster
  • Electronic Spark Timing Distributor
  • Service Engine Soon
  • Electronic Control Module
  • 1986 Buick Century Limited 2.5 L4 GAS Wiring Diagram1986 Buick Century Limited 2.5 L4 GAS Wiring Diagram

    Components on diagram:
  • Radio
  • LH Front Speaker
  • Light Switch
  • RH Front Speaker
  • CLICK HERE TO GET FULL ACCESS TO Buick Century WIRING DIAGRAMS!

    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: INFORMATION ON TIRE RADIAL FORCE VARIATION (RFV) - REVISED
    Vehicle: 1993 Buick Century Special 3.3 V6 GAS

    Symptoms:
  • Vibration
  • Auto Systems:
  • Wheels, Tires, Wheel Bearings, Seals, Hubs
  • Document: 4T60/4T60E - SRTA MODEL UPDATE - INFO - REVISION
    Vehicle: 1990 Buick Century Limited 3.3 V6 GAS

    Auto Systems:
  • Automatic Trans, Coolers, Torque Converter
  • 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!

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

    Click here to view more details about 1995 Buick Century Mirror, Passenger Side1995 Buick Century Mirror, Passenger Side.

    Source: Auto Body Parts Store

    $17.32

    Click here to view more details1999 Buick Century Brake Light Switch, Blade type; 2-prong and 4-prong male terminals; A high quality, direct fit OE replacement brake light switch; With 2 years limited Trustbuilt warranty..

    Source: Auto Body Parts Store

    $9.21

    Click here to view more details about 2005 Buick Century Power Door Mirror, Passenger Side2005 Buick Century Power Door Mirror, Passenger Side, PASSENGER SIDE POWER DOOR MIRROR, WITH HEATED GLASS, WITHOUT DIMMER, 5 WIRE TYPE, PAINT TO MATCH, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $74.54

    Click here to view more details1981 Buick Century Limited V6, 3.8 L, 231 CID Rebuilt Engine, RWD, 14 bolt pan, Warranty: 7-Year/70,000 Mile, .

    Source: Rebuilt Engines Store

    $1,280.00

    Click here to view more details1995 Buick Century Used Ignition Switch W/Key, Without opt WA2, Very Good.

    Source: Used Auto Parts Store

    $61.00

    Click here to view more details1984 Buick Century Used Wiper Motor Front, Without pulse wiper; 3 wire armature, Very Good.

    Source: Used Auto Parts Store

    $56.00
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