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1990 Ford LTD Crown Victoria CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Ford REPAIR SHOPS DON'T WANT YOU TO KNOW
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- A/C & Heater Service
- Brake Service
- Fuel Filter Replacement
- Driveline, U-Joint & CV Axles Replacement
- Starter & Alternator Replacement
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service

A/C & HEATER SERVICE PROCEDURES FOR 1990 Ford LTD Crown Victoria AUTOMOBILES
A/C & Cooling System Maintenance -> Ford Motor Co. -> 1990-2002 Ford Crown Victoria & Mercury Grand Marquis
Vehicle: 1990 Ford LTD Crown Victoria S 5.0 V8 GAS
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BRAKE SERVICE PROCEDURES FOR 1990 Ford LTD Crown Victoria AUTOMOBILES
DISC BRAKES, FORD MOTOR CO. -> Front Disc Brakes -> BRAKE PADS -> 1989 Tracer -> 1991 Escort & Tracer -> Capri -> Except Capri, Festiva, Tracer, Scorpio, XR4Ti, Probe & 1991 Escort -> Festiva -> INSTALLATION -> Probe -> REMOVAL -> Scorpio & XR4Ti
Vehicle: 1990 Ford LTD Crown Victoria 5.0 V8 GAS
REMOVAL
Except Capri, Festiva, Tracer, Scorpio, XR4Ti, Probe & 1991 Escort
- Remove brake fluid until reservoir is half full.
- Raise and support front of vehicle, then remove wheel and tire assembly.
- Remove caliper locating pins.
- Lift caliper assembly from adapter plate, then remove outer shoe from caliper assembly.On some models, slip shoe down caliper leg until clip is disengaged.
- Remove inner shoe and lining assembly.On some models, pull shoe straight out of piston. This should require a force as high as 20-30 lbs.
- Suspend caliper from inner fender housing with wire to avoid damaging brake ...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 1990 Ford LTD Crown Victoria AUTOMOBILES
Ford Motor Co. Passenger Cars -> Fuel Filter Scheduled Maintenance -> 1983-98 Crown Victoria, Grand Marquis & Marauder -> Normal Service -> Severe Service
Vehicle: 1990 Ford LTD Crown Victoria S 5.0 V8 GAS
Normal Se...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1990 Ford LTD Crown Victoria AUTOMOBILES
DRIVESHAFT, Replace
Vehicle: 1990 Ford LTD Crown Victoria S 5.0 V8 GAS
- Raise and support vehicle.
- Index-mark driveshaft. Place a paint index-mark on pinion flange to driveshaft centering socket yoke.
- Remove driveshaft-to-driveshaft pinion flange bolts.
- Place a paint index-mark on driveshaft slip-yoke to transmissio...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1990 Ford LTD Crown Victoria AUTOMOBILES
Alternator, Replace
Vehicle: 1990 Ford LTD Crown Victoria S 5.0 V8 GAS
- Disconnect battery ground cable.
- Loosen alternator pivot bolt, then remove alternator adjusting bolt.
- Disengage alternator drive belt from drive pulley.
- Disconnect wiring terminals from back of alternator. stator and field wiring terminals are push on type.
- After depressing l...
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MAINTENANCE LAMP RESET PROCEDURES FOR 1990 Ford LTD Crown Victoria AUTOMOBILES
Ford Motor Co. Cars -> Electronic Throttle Control ->
Vehicle: 1990 Ford LTD Crown Victoria 5.8 V8 GAS
Electronic throttle displays when the system has malfunctioned and the engine has defaulted to a limp-home operation. On vehicles equipped with ...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1990 Ford LTD Crown Victoria AUTOMOBILES
Heater Hose, Replace -> Inlet -> Outlet
Vehicle: 1990 Ford LTD Crown Victoria LX 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 engine block.
- Remove hose from vehicle.
- Reverse procedure to in...
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SERPENTINE BELT SERVICE PROCEDURES FOR 1990 Ford LTD Crown Victoria AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 1990 Ford LTD Crown Victoria LX 5.0 V8 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 Ford LTD Crown Victoria AUTOMOBILES
Component location diagrams for most 1990 Ford LTD Crown Victoria cars and light trucks sold in the U.S. from 1990+.
![]() Components on diagram: |
![]() Components on diagram: |
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WIRING DIAGRAMS FOR 1990 Ford LTD Crown Victoria AUTOMOBILES
OEM drawn wiring diagrams for most 1990 Ford LTD Crown Victoria cars and light trucks sold in the U.S.
![]() Components on diagram: |
![]() Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 1990 Ford LTD Crown Victoria AUTOMOBILES
OEM TSB listings for most 1990 Ford LTD Crown Victoria cars and light trucks sold in the U.S. from 1985+.
Document: MERCON ATF IS BRING REPLACED BY MERCON V ATF AS A SERVICE FLUID Vehicle: 1990 Ford LTD Crown Victoria S 5.0 V8 GAS Auto Systems: |
Document: FRONT WIPER MOTOR - MOUNTING BRACKET AND DEPRESSED PARK OUT ARM - TRANSFER SERVICE TIPS Vehicle: 1990 Ford LTD Crown Victoria S 5.0 V8 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 1990 Ford LTD Crown Victoria AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1990 Ford LTD Crown Victoria 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 Ford LTD Crown Victoria 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 Ford LTD Crown Victoria 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 Ford LTD Crown Victoria 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
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