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1990 Plymouth Horizon CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Plymouth 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!Select Section
- Component Locations
- Wiring Diagrams
- Technical Service Bulletins
- Specifications
- 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 Plymouth Horizon AUTOMOBILES
A/C & Cooling System Maintenance -> DaimlerChrysler Corp. -> Chrysler Imperial, LeBaron & New Yorker (1990-93), Dodge Daytona, Dynasty, Monaco, Omni, Shadow & Spirit, Eagle Premier & Plymouth Acclaim, Horizon, & Sundance
Vehicle: 1990 Plymouth Horizon 2.2 L4 GAS
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BRAKE SERVICE PROCEDURES FOR 1990 Plymouth Horizon AUTOMOBILES
POWER BRAKE UNITS, CHRYSLER CORP. -> BENDIX DIAPHRAGM TYPES -> OPERATION
Vehicle: 1990 Plymouth Horizon 2.2 L4 GAS
These units are of the vacuum suspended type. Some units are of the single diaphragm type,Fig. , while others are of the tandem diaphragm type,Fig. . Both single piston and double piston or split system type master cylinders are used.
The vacuum suspended diaphragm type units utilize engine manifold vacuum and atmospheric pressure for its power. It consists of three basic elements combined into a single power unit. The three basic elements of the single diaphragm type are:
- A vacuum power section which includes a front and rear shell, a power diaphragm, a return spring...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 1990 Plymouth Horizon AUTOMOBILES
DaimlerChrysler/AMC/Eagle Passenger Cars -> Fuel Filter Scheduled Maintenance -> 1981-06 Front Wheel Drive Models Except Champ & Colt -> Normal Service -> Severe Service
Vehicle: 1990 Plymouth Horizon 2.2 L4 GAS
Normal ...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1990 Plymouth Horizon AUTOMOBILES
CV AXLE SHAFT, Replace
Vehicle: 1990 Plymouth Horizon 2.2 L4 GAS
- Remove center cap and drive axle nut.
- Raise and support vehicle, then remove front wheel.
- Disconnect lower arm ball joint and knuckle coupling, then remove strut bar and stabilizer bar from lower arm.
- lefthand driveshaft only, remove center bearing snap ring from bearing bracket.
- Lightly tap double offset joint outer race with a wooden hammer and disconnect drive axle from cardan joint assembly.
- Disconnect drive axle from bearing bracket.
- Both driveshafts, press drive axle from hub using axle shaft puller tool No. MB990241 or equivalent. When pressing drive axle from hub, use c...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1990 Plymouth Horizon AUTOMOBILES
Starter, Replace
Vehicle: 1990 Plymouth Horizon 2.2 L4 GAS
- Disconnect battery ground cable.
- Remove heatshield clamp and then heatshield, if equipped.
- Loosen air pump tube at exhaust manifold and swivel tube bracket away from starter.
- Remove battery cable at starter.
- Disconnect solenoid le...
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MAINTENANCE LAMP RESET PROCEDURES FOR 1990 Plymouth Horizon AUTOMOBILES
Chrysler LLC Cars -> Traction Control System (TCS) Warning Lamp ->
Vehicle: 1990 Plymouth Horizon 2.2 L4 GAS
This lamp should light for a approximately 6-8 seconds when the ignition is turned On as a bulb check. If the warni...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1990 Plymouth Horizon AUTOMOBILES
Radiator, Replace
Vehicle: 1990 Plymouth Horizon 2.2 L4 GAS
- Disconnect negative cable from battery.
- Drain coolant into a suitable container.
- Remove hose clamps and hose from radiator.
- Remove coolant reserve system tank to filler neck tube.
- Disconnect fan motor connector.
- Remove upper shroud attaching screws and lift shroud out with cooling fan.
- On models with automatic transaxle, remove trans...
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SERPENTINE BELT SERVICE PROCEDURES FOR 1990 Plymouth Horizon AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 1990 Plymouth Horizon 2.2 L4 GAS
- Disconnect battery ground cable from battery.
- Loosen alternator support bolt.
- Loosen adjuster lock bolt.
- Loose...
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COMPONENT LOCATION DIAGRAMS FOR 1990 Plymouth Horizon AUTOMOBILES
Component location diagrams for most 1990 Plymouth Horizon 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 Plymouth Horizon AUTOMOBILES
OEM drawn wiring diagrams for most 1990 Plymouth Horizon cars and light trucks sold in the U.S.
![]() Components on diagram: |
![]() Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 1990 Plymouth Horizon AUTOMOBILES
OEM TSB listings for most 1990 Plymouth Horizon cars and light trucks sold in the U.S. from 1985+.
Document: CHILD SEAT TETHER ANCHOR INSTALLATION - REV Vehicle: 1990 Plymouth Horizon 2.2 L4 GAS Auto Systems: |
Document: WARRANTY - ELECTRONIC EXCHANGE PROGRAM CHANGES - REVISED Vehicle: 1990 Plymouth Horizon 2.2 L4 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 1990 Plymouth Horizon AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1990 Plymouth Horizon 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 Plymouth Horizon 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 Plymouth Horizon 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 Plymouth Horizon 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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