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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!

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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!
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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 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 Custom 2.5 L4 GAS

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BRAKE SERVICE PROCEDURES FOR 1990 Buick Century AUTOMOBILES

DISC BRAKES, GENERAL MOTORS -> General Information -> INSPECTION OF CALIPER
Vehicle: 1990 Buick Century Custom 2.5 L4 GAS

Should it become necessary to remove the caliper for installation of new parts, clean all parts in alcohol, wipe dry using lint free cloths, using an air hose to blow out drilled passages and bores. Check dust boots for punctures or tears. If punctures or tears are evident, new boots should be installed upon reassembly.

Inspect piston bores for scoring or pitting. Bores that show light scratches or corrosion can usually be cleaned with crocus cloth. However, bores that have deep scratches or scoring may be honed, provided the diameter of the...

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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 Custom 3.3 V6 GAS

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

CV AXLE SHAFT, Replace
Vehicle: 1990 Buick Century Custom 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...

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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...

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MAINTENANCE LAMP RESET PROCEDURES FOR 1990 Buick Century AUTOMOBILES

General Motors Corp./Saturn Cars -> Anti-Lock Warning Lamp ->
Vehicle: 1990 Buick Century Custom 2.5 L4 GAS

This lamp should light when the ignition is turned On. The lamp may light for as long as 30 seconds as a bulb and system inspection. If lamp remains lit or lights while operating the vehicle, a fault condition in the anti-lock brake system is indicated. When lamp is lit, turn ignition Off, then restart engine. If l...

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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1990 Buick Century AUTOMOBILES

Coolant Hose, Replace -> Lower -> Upper
Vehicle: 1990 Buick Century Custom 3.3 V6 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 1990 Buick Century AUTOMOBILES

Serpentine Drive Belt, Replace
Vehicle: 1990 Buick Century Custom 2.5 L4 GAS

  • Rotate or lift the belt tensioner arm, using a suitable tool to relieve tension from dr...

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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+.

Rear RH Side Of Radiator Diagram for 1990 Buick Century Limited 2.5 L4 GASRear RH Side Of Radiator Diagram for 1990 Buick Century Limited 2.5 L4 GAS

Components on diagram:
  • Low Coolant Probe
  • Engine & Underhood Components  Diagram for 1990 Buick Century Limited 3.3 V6 GASEngine & Underhood Components Diagram for 1990 Buick Century Limited 3.3 V6 GAS

    Components on diagram:
  • Engine Components
  • 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 3.3 V6 GAS Wiring Diagram1990 Buick Century Custom 3.3 V6 GAS Wiring Diagram

    Components on diagram:
  • Idle Air Control Motor
  • Vehicle Speed Sensor
  • Throttle Position Sensor
  • A/C Pressure Fan Switch
  • Canister Purge Solenoid
  • 1990 Buick Century Custom 3.3 V6 GAS Wiring Diagram1990 Buick Century Custom 3.3 V6 GAS Wiring Diagram

    Components on diagram:
  • Transaxle Position Switch
  • Turn Flasher
  • Right Backup Light
  • Left Backup Light
  • Center Backup Light
  • 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 Bumper Trim, Front1996 Buick Century Bumper Trim, Front, Made from tough impact-resistant plastic for maximum durability and tensile strength; Built to exact OE quality, fit, and finish..

    Source: Auto Body Parts Store

    $24.17

    Click here to view more details about 1996 Buick Century Mirror, Driver Side1996 Buick Century Mirror, Driver Side.

    Source: Auto Body Parts Store

    $25.87

    Click here to view more details1981 Buick Century 14" x 6" Steel Wheel, Steel Wheel; 14 X 6; Solid Disc; 5 Lug; 4.75 Inch BP; Ident KW; HAS Square Flange Center Bore; New Replica; Black, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $120.50

    Click here to view more details1983 Buick Century Custom L4, 2.5 L, 2474 CC, 151 CID Rebuilt Engine, FWD, 4 hole smog, Mechanical or electric FP, Cross flow head,, Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

    $1,250.00

    Click here to view more details1980 Buick Century Used Upper Control Arm, Driver Side, 2.2, AUTO, 4X2 L, 4X2, L., Very Good.

    Source: Used Auto Parts Store

    $62.00

    Click here to view more details1994 Buick Century Used Hub Bearing , Passenger Side, NEW REAR 4110410 HUB BEARING ASSY REAR 03-97 GM MONTANA 2WD, 05-02 VENTURE 02-98 INTRIGUE, 02-97 GRA, AFTERMARKET.

    Source: Used Auto Parts Store

    $73.00
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