Auto Parts Search


      Over 40 million used auto parts online. Shop online for auto and truck parts and save up to 75%

1990 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!

Help me findSearch

Select Section

Get Full Access Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1990 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!
DIY REPAIR SAMPLES > CONTINUE EXPLORING >
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 1990 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 1990 Buick Century AUTOMOBILES

A/C & Cooling System Maintenance -> General Motors Corp. -> Chevrolet Celebrity, Oldsmobile Cutlass Ciera & Cutlass Cruiser & Pontiac 6000 & 1990-96 Buick Century
Vehicle: 1990 Buick Century Limited 2.5 L4 GAS

[[table data]]

CLICK HERE TO GET FULL ACCESS TO 1990 Buick Century A/C & HEATER SERVICE PROCEDURES

BRAKE SERVICE PROCEDURES FOR 1990 Buick Century AUTOMOBILES

POWER BRAKE UNITS, GENERAL MOTORS -> DELCO-MORAINE TANDEM DIAPHRAGM TYPE -> Assembly -> Brakes Grab -> DESCRIPTION -> Disassembly -> Hard Pedal -> OVERHAUL -> Slow Or No Release -> TROUBLESHOOTING
Vehicle: 1990 Buick Century Custom 3.3 V6 GAS

DESCRIPTION

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 .

The unit operates in much the same manner as the single diaphragm unit described previously. The diaphragm and plate assemblies utilize the pressure differential between the engine intake manifold vacuum and atmospheric pressure to assist in braking.

TROUBLESHOOTING

Hard Pedal
  • Internal vacuum leak.
  • Faulty control valve.
Brakes Grab
  • Faulty control valve...

CLICK HERE TO GET FULL ACCESS TO 1990 Buick Century BRAKE SERVICE PROCEDURES

FUEL FILTER REPLACEMENT PROCEDURES FOR 1990 Buick Century AUTOMOBILES

General Motors Corp./Saturn Passenger Cars -> Fuel Filter Scheduled Maintenance -> 1980-06 Gasoline Engine Models Except Catera, LeMans (1988-93) Metro, Nova (1985-88), Saturn & Sprint -> Normal Service -> Severe Service
Vehicle: 1990 Buick Century Limited 3.3 V6 GAS

CLICK HERE TO GET FULL ACCESS TO 1990 Buick Century FUEL FILTER REPLACEMENT PROCEDURES

DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1990 Buick Century AUTOMOBILES

CV AXLE SHAFT, Replace
Vehicle: 1990 Buick Century Limited 3.3 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 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 1990 Buick Century DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES

STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1990 Buick Century AUTOMOBILES

Starter, Replace
Vehicle: 1990 Buick Century Limited 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 1990 Buick Century STARTER & ALTERNATOR REPLACEMENT PROCEDURES

MAINTENANCE LAMP RESET PROCEDURES FOR 1990 Buick Century AUTOMOBILES

General Motors Corp./Saturn Cars -> Reduce Engine Power Indicator Lamp ->
Vehicle: 1990 Buick Century Limited 2.5 L4 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 1990 Buick Century MAINTENANCE LAMP RESET PROCEDURES

RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1990 Buick Century AUTOMOBILES

Radiator, Replace
Vehicle: 1990 Buick Century Custom 3.3 V6 GAS

  • Remove air cleaner assembly including mounting stud and air cleaner duct.
  • Disconnect battery ground cable.
  • Drain engine coolant into a suitable container.
  • Disconnect engine strut brace bolts from upper mounting panel and rotate struts and braces rearward. To prevent shearing of rubber bushings, loosen bolts on engine struts before swinging struts.
  • Disconnect electrical connection from fans.
  • Remove fan attachi...

CLICK HERE TO GET FULL ACCESS TO 1990 Buick Century RADIATOR & HOSE REPLACEMENT PROCEDURES

SERPENTINE BELT SERVICE PROCEDURES FOR 1990 Buick Century AUTOMOBILES

Serpentine Drive Belt, Replace
Vehicle: 1990 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 1990 Buick Century SERPENTINE BELT SERVICE PROCEDURES

COMPONENT LOCATION DIAGRAMS FOR 1990 Buick Century AUTOMOBILES

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

A/C Plenum & Heater Diagram for 1990 Buick Century Custom 2.5 L4 GASA/C Plenum & Heater Diagram for 1990 Buick Century Custom 2.5 L4 GAS

Components on diagram:
  • A/C Defrost Valve Vacuum Actuator
  • Outside Air Valve Vacuum Actuator
  • A/C Heater Vacuum Actuator
  • Vacuum Line Connector
  • CLICK HERE TO GET FULL ACCESS TO 1990 Buick Century PARTS/COMPONENTS LOCATION DIAGRAMS!

    WIRING DIAGRAMS FOR 1990 Buick Century AUTOMOBILES

    OEM drawn wiring diagrams for most 1990 Buick Century cars and light trucks sold in the U.S.

    1990 Buick Century Custom 2.5 L4 GAS Wiring Diagram1990 Buick Century Custom 2.5 L4 GAS Wiring Diagram

    Components on diagram:
  • License Light
  • Left Rear Marker Light
  • Right Rear Marker Light
  • Left Tail Stop Turn Light
  • Right Tail Stop Turn Light
  • 1990 Buick Century Limited 2.5 L4 GAS Wiring Diagram1990 Buick Century Limited 2.5 L4 GAS Wiring Diagram

    Components on diagram:
  • Outside Mirror Switch
  • Left Outside Mirror
  • Right Outside Mirror
  • CLICK HERE TO GET FULL ACCESS TO 1990 Buick Century WIRING DIAGRAMS!

    TECHNICAL SERVICE BULLETINS FOR 1990 Buick Century AUTOMOBILES

    OEM TSB listings for most 1990 Buick Century cars and light trucks sold in the U.S. from 1985+.

    Document: Car and Truck Fix It Right the First Time Issues
    Vehicle: 1990 Buick Century Custom 2.5 L4 GAS

    Auto Systems:
  • Labor Times, Manuals, Warranty, Aids
  • Document: GM TIRE WARRANTY PROGRAM CLAIMS GOODWILL GUIDELINES - REVISED
    Vehicle: 1990 Buick Century Custom 2.5 L4 GAS

    Auto Systems:
  • Labor Times, Manuals, Warranty, Aids
  • Wheels, Tires, Wheel Bearings, Seals, Hubs
  • CLICK HERE TO GET FULL ACCESS TO 1990 Buick Century TECHNICAL SERVICE BULLETINS!

    COMPONENT/PARTS SPECIFICATIONS FOR 1990 Buick Century AUTOMOBILES

    BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1990 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 1990 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 1990 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 1990 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 1990 Buick Century SPECIFICATIONS DATA!

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

    Click here to view more details about 1996 Buick Century Fender, Front, Passenger Side1996 Buick Century Fender, Front, Passenger Side.

    Source: Auto Body Parts Store

    $47.03

    Click here to view more details1996 Buick Century Brake Drum, Rear, 5 x 4.5 in. bolt hole pattern; 10.87 in. outer diameter; 8.91 in. maximum diameter; 0.56 in. bolt size; 2.76 in. height; A high quality, OE replacement brake drum; With 2 years limited TrustBuilt warranty..

    Source: Auto Body Parts Store

    $31.99

    Click here to view more details1980 Buick Century Radiator, Radiator; Plastic/Aluminum Construction; Replaces OE Copper/Brass; 1 Row, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $128.50

    Click here to view more details1980 Buick Century Limited V6, 3.8 L, 231 CID Rebuilt Engine, RWD, Turbo with 1/2" hole in back of lifter gallery, with detonation sensor oil pump kit only., Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

    $1,462.00

    Click here to view more details1995 Buick Century Used Ignition Switch W/Key, NO DESCRIPTION, Very Good.

    Source: Used Auto Parts Store

    $61.00

    Click here to view more details2005 Buick Century Used Ignition Switch W/Key, Good.

    Source: Used Auto Parts Store

    $65.00
    More parts
    Help me findSearch
    Auto Repair Quick Search
    Help me find
    Search DIY repair manuals by VIN...
    Vehicle Identification Number is a unique serial number used by the automotive industry to identify individual motor vehicles

    Find out what info we have for your vehicle

    Get the Complete Technical Service Bulletins!
    Get the Complete Technical Service Bulletins!Access diagrams and repair information such as wiring diagrams, diagnosis and repair charts, manufacturer service bulletins, and OEM Part numbers of your 1990 Buick Century vehicle.
    Access the Complete guide!
    Need To Fix Your Car or Truck?
    Save Money With Free Car Insurance Quote
    FREE car insurance quote
    Enter Zip Code:
    Auto Repair Quick Search
    Help me find