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1990 Cadillac Fleetwood CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Cadillac 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 Cadillac Fleetwood car and truck repair procedures including Cadillac 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 Cadillac Fleetwood 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 Cadillac 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 Cadillac Fleetwood 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 Cadillac Fleetwood AUTOMOBILES

A/C & Cooling System Maintenance -> General Motors Corp. -> Allante & 1990-92 Fleetwood & 1990-2002 Cadillac DeVille, Eldorado & Seville
Vehicle: 1990 Cadillac Fleetwood 4.5 V8 GAS

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BRAKE SERVICE PROCEDURES FOR 1990 Cadillac Fleetwood AUTOMOBILES

DISC BRAKES, GENERAL MOTORS -> General Information -> BRAKE ROUGHNESS
Vehicle: 1990 Cadillac Fleetwood Brougham 5.0 V8 GAS

The most common cause of brake chatter on disc brakes is a variation in thickness of the disc. If roughness or vibration is encountered during highway operation or if pedal pulsation is experienced at low speeds, the disc may have excessive thickness variation. To check for this condition, measure the disc at 12 points with a micrometer at a radius approximately one inch from edge of disc. If thickness measurements vary by more than .0005 inch, the disc should be rep...

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FUEL FILTER REPLACEMENT PROCEDURES FOR 1990 Cadillac Fleetwood AUTOMOBILES

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: 1990 Cadillac Fleetwood 4.5 V8 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 1990 Cadillac Fleetwood AUTOMOBILES

DRIVESHAFT, Replace
Vehicle: 1990 Cadillac Fleetwood Brougham 5.0 V8 GAS

  • Raise and support vehicle.
  • Mark position of shaft in relation to pinion flange for reassembly.
  • Remove straps securing universal joint to pinion flange, then disconnect shaft from flange. Tape bearing cups to universal joint to prevent loss of ne...

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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1990 Cadillac Fleetwood AUTOMOBILES

Alternator, Replace
Vehicle: 1990 Cadillac Fleetwood 60 Special 4.5 V8 GAS

  • Disconnect battery ground cable.
  • Remove accessory drive belt.
  • Remove upper front bolt.
  • Remove radiator.
  • Raise and suitably support vehicle.
  • Remove front engine splash shield.
  • Loosen rear alternator bracket from engine.
  • Remove top bolt.
  • Remove front lower mounting bolt.
  • Remove lower rear mounting bolt.
  • Remove upper rear mounting bolt.
  • Remove duct from back of alternator.
  • Disconnect regulator electrical connectio...

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MAINTENANCE LAMP RESET PROCEDURES FOR 1990 Cadillac Fleetwood AUTOMOBILES

General Motors Corp./Saturn Cars -> Service Air Cond Lamp -> Cadillac
Vehicle: 1990 Cadillac Fleetwood 60 Special 4.5 V8 GAS

This lamp should light when the A/C system detects a low refrigerant charge. The lamp should light for approximately two seconds after ignition has been turned on as a bulb inspection.

If while operating vehicle, the lamp lights for approximately 60 seconds and then goes off, the refrigerant level is low enough to cause reduced cooling capacity. At this point the blower motor will increase speed to try to offset the loss in cooling capacity. The lamp will be automatically reset after system has been inspected and refrigerant c...

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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1990 Cadillac Fleetwood AUTOMOBILES

Heater Hose, Replace -> Inlet -> Outlet
Vehicle: 1990 Cadillac Fleetwood Brougham 5.0 V8 GAS

Inlet

  • Drain coolant into a suitable container.
  • Loosen hose clamp connecting hose to heater core inlet tube.
  • Loosen hose clamp connecting hose to water pump bypass tube.
  • Remove hose from vehicle.
  • Reverse procedure t...

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SERPENTINE BELT SERVICE PROCEDURES FOR 1990 Cadillac Fleetwood AUTOMOBILES

Serpentine Drive Belt, Replace
Vehicle: 1990 Cadillac Fleetwood Brougham 5.7 V8 GAS

  • Disconnect battery ground cable.
  • Push belt tensioner upwa...

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COMPONENT LOCATION DIAGRAMS FOR 1990 Cadillac Fleetwood AUTOMOBILES

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

Ignition Switch  Diagram for 1990 Cadillac Fleetwood 60 Special 4.5 V8 GASIgnition Switch Diagram for 1990 Cadillac Fleetwood 60 Special 4.5 V8 GAS

Components on diagram:
  • Ignition Switch
  • Headlamp Dimmer Switch
  • RH Information Center  Diagram for 1990 Cadillac Fleetwood  4.5 V8 GASRH Information Center Diagram for 1990 Cadillac Fleetwood 4.5 V8 GAS

    Components on diagram:
  • Information Center
  • I/P Cluster Connector
  • Connector C200
  • Splice S215
  • Splice S204
  • CLICK HERE TO GET FULL ACCESS TO 1990 Cadillac Fleetwood PARTS/COMPONENTS LOCATION DIAGRAMS!

    WIRING DIAGRAMS FOR 1990 Cadillac Fleetwood AUTOMOBILES

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

    1990 Cadillac Fleetwood Brougham 5.0 V8 GAS Wiring Diagram1990 Cadillac Fleetwood Brougham 5.0 V8 GAS Wiring Diagram

    Components on diagram:
  • Defogger Relay
  • Hazard Flasher
  • Electronic Climate Control Programmer
  • Digital I/P Cluster
  • A/C Cutout Relay
  • 1990 Cadillac Fleetwood Brougham 5.7 V8 GAS Wiring Diagram1990 Cadillac Fleetwood Brougham 5.7 V8 GAS Wiring Diagram

    Components on diagram:
  • Right Recline Switch
  • Left Recline Switch
  • Left Seat Recline Motor
  • CLICK HERE TO GET FULL ACCESS TO 1990 Cadillac Fleetwood WIRING DIAGRAMS!

    TECHNICAL SERVICE BULLETINS FOR 1990 Cadillac Fleetwood AUTOMOBILES

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

    Document: Car and Truck Fix It Right the First Time Issues
    Vehicle: 1990 Cadillac Fleetwood 4.5 V8 GAS

    Auto Systems:
  • Labor Times, Manuals, Warranty, Aids
  • Document: GM TIRE WARRANTY PROGRAM CLAIMS GOODWILL GUIDELINES - REVISED
    Vehicle: 1990 Cadillac Fleetwood 4.5 V8 GAS

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

    COMPONENT/PARTS SPECIFICATIONS FOR 1990 Cadillac Fleetwood AUTOMOBILES

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

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

    Click here to view more details about 1986 Cadillac Fleetwood Grille Insert1986 Cadillac Fleetwood Grille Insert, Without emblem provision; A high quality, OE replacement grille insert; Backed by 1-year, unlimited-mileage warranty..

    Source: Auto Body Parts Store

    $39.35

    Click here to view more details about 1996 Cadillac Fleetwood Weatherstrip Seal1996 Cadillac Fleetwood Weatherstrip Seal, 1-3/16 in. x 3/4 in. x 160 in.; With steel cores; A high quality, direct fit OE replacement extruded door seal..

    Source: Auto Body Parts Store

    $36.32

    Click here to view more details about 1993 Cadillac Allante 16" x 7" Alloy Wheel1993 Cadillac Allante 16" x 7" Alloy Wheel, Alloy Wheel; 16 X 7; 14 Holes; 5 Lug; 115MM BP; Silver, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $117.50

    Click here to view more details1990 Cadillac Fleetwood Brougham V8, 5.0 L, 307 CID Rebuilt Engine, Roller cam, Oldsmobile engine., Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

    $1,644.00

    Click here to view more details1993 Cadillac Fleetwood Used Rear Vent Window, Driver Side, M452, Very Good.

    Source: Used Auto Parts Store

    $88.00

    Click here to view more details1992 Cadillac Fleetwood Used A/C Compressor, 5.7, AUTO, RWD RWD, Very Good.

    Source: Used Auto Parts Store

    $103.00
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