1991 Cadillac Deville REPAIR MANUAL -- HOW TO FIX YOUR CAR OR TRUCK

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1991 Cadillac Deville CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Cadillac 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 1991 Cadillac Deville 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 Deville 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 1991 Cadillac Deville 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 1991 Cadillac Deville AUTOMOBILES

A/C & Cooling System Maintenance -> General Motors Corp. -> Allante & 1990-92 Fleetwood & 1990-2002 Cadillac DeVille, Eldorado & Seville
Vehicle: 1991 Cadillac Deville Touring 4.9 V8 GAS

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BRAKE SERVICE PROCEDURES FOR 1991 Cadillac Deville AUTOMOBILES

DISC BRAKES, GENERAL MOTORS -> General Information -> GENERAL PRECAUTIONS
Vehicle: 1991 Cadillac Deville Touring 4.9 V8 GAS

  • Grease or any other foreign material must be kept off the brake linings, caliper, surfaces of the disc and external surfaces of the hub, during service procedures. Handling the brake disc and caliper should be done in a way to avoid deformation of the disc and nicking or scratching brake linings.
  • If inspection reveals rubber piston seals are worn or damaged, they should be replaced immediately.
  • During removal and installation of a wheel assembly, exercise care so as not to interfer...

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FUEL FILTER REPLACEMENT PROCEDURES FOR 1991 Cadillac Deville AUTOMOBILES

General Motors Corp./Saturn Passenger Cars -> Component Locations -> Electra (1985-90), Park Avenue (1991-98), LeSabre (1999-86), DeVille (1985-05), CTS, DTS, Fleetwood (1985-92), 88 (1999-86), 98 (1985-96), LSS, Regency, Bonneville (1987-05) & STS (2005-06)
Vehicle: 1991 Cadillac Deville 4.9 V8 GAS

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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1991 Cadillac Deville AUTOMOBILES

CV AXLE SHAFT, Replace
Vehicle: 1991 Cadillac Deville 4.9 V8 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 lower ball joint cotter and nut, then loosen ball joint using ball joint separator tool No. J-29330. If removing right axle, turn wheel to left, if removing left axle, turn wheel to right.
  • Separate joint by using a pry bar between suspension support and lower control arm.
  • Pull out on lower knuckle area and with a plasti...

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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1991 Cadillac Deville AUTOMOBILES

Starter, Replace
Vehicle: 1991 Cadillac Deville 4.9 V8 GAS

If shims are required between starter and engine block, they should be placed in original position during installation. If starter is noisy during cranking, remove double .015 inch shim or add .015 inch shim at outer bolt only. If high pitched whine is observed after engine starts, ...

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MAINTENANCE LAMP RESET PROCEDURES FOR 1991 Cadillac Deville AUTOMOBILES

General Motors Corp./Saturn Cars -> Air Bag Warning Lamp ->
Vehicle: 1991 Cadillac Deville 4.9 V8 GAS

This lamp should light for a approximately 6-8 seconds when the ignition is turned on as a bulb check. If the air b...

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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1991 Cadillac Deville AUTOMOBILES

Heater Hose, Replace -> Inlet -> Outlet
Vehicle: 1991 Cadillac Deville 4.9 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 1991 Cadillac Deville AUTOMOBILES

Serpentine Drive Belt, Replace
Vehicle: 1991 Cadillac Deville 4.9 V8 GAS

  • Disable airbag system.
  • Rotate belt tensioner upward from drive bel...

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COMPONENT LOCATION DIAGRAMS FOR 1991 Cadillac Deville AUTOMOBILES

Component location diagrams for most 1991 Cadillac Deville cars and light trucks sold in the U.S. from 1990+.

Behind LH Side Of I/P Diagram for 1991 Cadillac Deville  4.9 V8 GASBehind LH Side Of I/P Diagram for 1991 Cadillac Deville 4.9 V8 GAS

Components on diagram:
  • Theft Deterrent Relay
  • Theft Deterrent Controller
  • Splice S-205
  • Splice S-224
  • Splice S-225
  • LH Side Of Steering Column  Diagram for 1991 Cadillac Deville  4.9 V8 GASLH Side Of Steering Column Diagram for 1991 Cadillac Deville 4.9 V8 GAS

    Components on diagram:
  • Headlamp Dimmer Switch
  • CLICK HERE TO GET FULL ACCESS TO 1991 Cadillac Deville PARTS/COMPONENTS LOCATION DIAGRAMS!

    WIRING DIAGRAMS FOR 1991 Cadillac Deville AUTOMOBILES

    OEM drawn wiring diagrams for most 1991 Cadillac Deville cars and light trucks sold in the U.S.

    1991 Cadillac Deville Touring 4.9 V8 GAS Wiring Diagram1991 Cadillac Deville Touring 4.9 V8 GAS Wiring Diagram

    Components on diagram:
  • BCM
  • 1991 Cadillac Deville Touring 4.9 V8 GAS Wiring Diagram1991 Cadillac Deville Touring 4.9 V8 GAS Wiring Diagram

    Components on diagram:
  • Electronic Climate Control Programmer
  • A/C Defrost Valve Vacuum Actuator
  • In-Vehicle Temperature Sensor
  • Heater A/C Bi-Level Valve Vacuum Actuator Bi-Directional
  • Outside Air Recirculation Valve Vacuum Actuator
  • CLICK HERE TO GET FULL ACCESS TO 1991 Cadillac Deville WIRING DIAGRAMS!

    TECHNICAL SERVICE BULLETINS FOR 1991 Cadillac Deville AUTOMOBILES

    OEM TSB listings for most 1991 Cadillac Deville cars and light trucks sold in the U.S. from 1985+.

    Document: Car and Truck Fix It Right the First Time Issues
    Vehicle: 1991 Cadillac Deville 4.9 V8 GAS

    Auto Systems:
  • Labor Times, Manuals, Warranty, Aids
  • Document: GM TIRE WARRANTY PROGRAM CLAIMS GOODWILL GUIDELINES - REVISED
    Vehicle: 1991 Cadillac Deville 4.9 V8 GAS

    Auto Systems:
  • Labor Times, Manuals, Warranty, Aids
  • Wheels, Tires, Wheel Bearings, Seals, Hubs
  • CLICK HERE TO GET FULL ACCESS TO 1991 Cadillac Deville TECHNICAL SERVICE BULLETINS!

    COMPONENT/PARTS SPECIFICATIONS FOR 1991 Cadillac Deville AUTOMOBILES

    BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1991 Cadillac Deville 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 1991 Cadillac Deville 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 1991 Cadillac Deville 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 1991 Cadillac Deville 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 1991 Cadillac Deville SPECIFICATIONS DATA!

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