1998 Buick Century REPAIR MANUAL -- HOW TO FIX YOUR CAR OR TRUCK

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1998 Buick Century 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 1998 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 1998 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 1998 Buick Century AUTOMOBILES

Air Bag System Precautions -> General Motors Corp. -> Disarming -> 1990 -> 1990-93 -> 1990-95 -> 1990-97 -> 1991 -> 1991-93 -> 1991-94 -> 1991-95 -> 1992-93 -> 1992-99 -> 1993-2002 -> 1993-94 -> 1993-98 -> 1994 -> 1994-2002 -> 1994-95 -> 1994-96 -> 1994-98 -> 1995-2002 -> 1995-96 -> 1995-97 -> 1995-98 -> 1995-99 -> 1996 -> 1996-2001 -> 1996-97 -> 1997 -> 1997-2002 -> 1997-98 -> 1997-99 -> 1998-2000 -> 1998-2002 -> 1998-99 -> 1999 -> 1999-2000 -> 1999-2001 -> 1999-2002 -> 2000-02 -> 2001-02 -> 2002 -> 2003 -> 2003-04 -> 2003-04 Except Malibu Maxx -> Achieva & Skylark -> Alero -> Astro & Safari -> Aurora -> Avalanche -> Aveo -> Aztek & Rendezvous -> Beretta & Corsica -> Blazer, Jimmy, Sonoma & S-10 -> Bonneville, Eighty-Eight, LeSabre, LSS, Ninety-Eight & Regency -> Bravada, Envoy, Rainier, SSR & TrailBlazer -> C/K Series -> Camaro & Firebird -> Canyon & Colorado -> Caprice, Custom Cruiser & Roadmaster -> Catera -> Cavalier & Sunfire -> Century -> Corvette -> Coupe -> CTS -> Cutlass -> Cutlass Ciera & Cruiser -> Cutlass Supreme -> DeVille -> Eldorado -> Escalade -> Express, G Series & Savana -> Fleetwood -> Grand Am -> Grand Prix & Intrigue -> Impala -> ION -> L-Series -> Light Trucks & Vans -> Lumina -> Lumina APV, Montana, Silhouette, Trans Sport & Venture -> Malibu -> Malibu Maxx -> Metro -> Monte Carlo -> Park Avenue -> Passenger Cars -> Prizm -> Reatta, Toronado & Trofeo -> Regal -> Riviera -> S-Series -> Sedan -> Seville -> Sierra & Silverado -> SRX -> Storm -> Suburban, Tahoe, Yukon & Yukon XL -> Tracker -> Vibe -> VUE -> XLR -> Zone 1 -> Zone 10 -> Zone 12 -> Zone 2 -> Zone 3 -> Zone 4 -> Zone 5 -> Zone 6 -> Zone 7 -> Zone 8 -> Zone 9 -> Zones 1 & 7 -> Zones 2 & 6 -> Zones 5 & 9 -> Zones 7 & 9
Vehicle: 1998 Buick Century Limited 3.1 V6 GAS

Passenger Cars

The Sensing and Diagnostic Module (SDM) can maintain enough voltage to cause air bag deployment for up to 10 minutes after the ignition is turned Off and the battery is disconnected. Servicing the Supplemental air bag (SIR) system during this period may result in accidental deployment and personal injury.

Achieva & Skylark
1994-96
  • Ensure front wheels are in straight-ahead position.
  • Turn ignition switch to LOCK position.
  • Remove AIR BAG fuse from fuse block.
  • On 1995 models, remove lefthand sound insulator panel to ac...

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BRAKE SERVICE PROCEDURES FOR 1998 Buick Century AUTOMOBILES

Power Brake Units -> Description -> AC-Delco Single Diaphragm Type -> AC-Delco Tandem Diaphragm Type -> Toyota/GM Single Diaphragm Type
Vehicle: 1998 Buick Century Custom 3.1 V6 GAS

AC-Delco Tandem Diaphragm Type

This unit utilizes a vacuum power chamber, consisting of a front and rear shell, housing divider, front and rear diaphragm, plate assemblies, hydraulic pushrod and a diaphragm return spring, Figs. and .

In normal operating mode, with service brakes in released position, the booster operates with vacuum on both sides of its diaphragms. When brakes are applied, air at atmospheric pressure is admitted to one side of each diaphragm to provide power assist. When the service brake is released, atmospheric air is shut off from one side of each diaphragm. The a...

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FUEL FILTER REPLACEMENT PROCEDURES FOR 1998 Buick Century AUTOMOBILES

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: 1998 Buick Century Limited 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...

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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1998 Buick Century AUTOMOBILES

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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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1998 Buick Century AUTOMOBILES

Starter, Replace
Vehicle: 1998 Buick Century Limited 3.1 V6 GAS

Upon removal of starter, note if any shims are used. If shims are used, they should be reinstalled in their original location during installation.

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 firing, add .015 inch double shims until noise ceases.

  • Disconnect battery negative cable.
  • Raise and support vehicle.
  • Remove nut from brace at A/C compressor.
  • Disconnect wiring from front of frame.
  • Remove d...

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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR 1998 Buick Century AUTOMOBILES

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

General Motors Corp./Saturn Cars -> Low Washer Fluid Indicator ->
Vehicle: 1998 Buick Century Limited 3.1 V6 GAS

The windshield washer solvent tank has a switch that closes when the wash...

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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1998 Buick Century AUTOMOBILES

Coolant Hose, Replace -> Lower -> Upper
Vehicle: 1998 Buick Century Limited 3.1 V6 GAS

Lower

  • Drain cooling system into a suitable container.
  • Remove right side electric cooling fan.
  • 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 t...

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SERPENTINE BELT SERVICE PROCEDURES FOR 1998 Buick Century AUTOMOBILES

Serpentine Drive Belt, Replace
Vehicle: 1998 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 1998 Buick Century AUTOMOBILES

Component location diagrams for most 1998 Buick Century cars and light trucks sold in the U.S. from 1990+.

LH Rear Of Engine Compartment Diagram for 1998 Buick Century Custom 3.1 V6 GASLH Rear Of Engine Compartment Diagram for 1998 Buick Century Custom 3.1 V6 GAS

Components on diagram:
  • Windshield Wiper Motor
  • Brake Fluid Level Indicator Switch
  • Connector C-1
  • Connector C-2
  • Grommet P-103
  • RH Rear Corner Of Engine Compartment Diagram for 1998 Buick Century Limited 3.1 V6 GASRH Rear Corner Of Engine Compartment Diagram for 1998 Buick Century Limited 3.1 V6 GAS

    Components on diagram:
  • Underhood Lamp
  • Electronic Traction Control Brake Pressure Module Valve
  • RH Shock Tower
  • CLICK HERE TO GET FULL ACCESS TO 1998 Buick Century PARTS/COMPONENTS LOCATION DIAGRAMS!

    WIRING DIAGRAMS FOR 1998 Buick Century AUTOMOBILES

    OEM drawn wiring diagrams for most 1998 Buick Century cars and light trucks sold in the U.S.

    1998 Buick Century Custom 3.1 V6 GAS Wiring Diagram1998 Buick Century Custom 3.1 V6 GAS Wiring Diagram

    Components on diagram:
  • Body Control Module
  • Underhood Lamp
  • LH Front Door Courtesy Lamp
  • I/P Compartment Lamp
  • RH Front Door Courtesy Lamp
  • 1998 Buick Century Limited 3.1 V6 GAS Wiring Diagram1998 Buick Century Limited 3.1 V6 GAS Wiring Diagram

    Components on diagram:
  • Data Link Connector
  • Instrument Cluster
  • Body Control Module
  • Steering Column Lock and Ignition Key Cylinder
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    TECHNICAL SERVICE BULLETINS FOR 1998 Buick Century AUTOMOBILES

    OEM TSB listings for most 1998 Buick Century cars and light trucks sold in the U.S. from 1985+.

    Document: Revised General Motors New Vehicle Tire Warranty Program
    Vehicle: 1998 Buick Century Custom 3.1 V6 GAS

    Auto Systems:
  • Labor Times, Manuals, Warranty, Aids
  • Wheels, Tires, Wheel Bearings, Seals, Hubs
  • Document: New Website for AFIT, TPM, and VDR Updates
    Vehicle: 1998 Buick Century Custom 3.1 V6 GAS

    Auto Systems:
  • Labor Times, Manuals, Warranty, Aids
  • CLICK HERE TO GET FULL ACCESS TO 1998 Buick Century TECHNICAL SERVICE BULLETINS!

    COMPONENT/PARTS SPECIFICATIONS FOR 1998 Buick Century AUTOMOBILES

    BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1998 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 1998 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 1998 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 1998 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 1998 Buick Century SPECIFICATIONS DATA!

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