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1990 Dodge RAM 50 CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Dodge REPAIR SHOPS DON'T WANT YOU TO KNOW
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- 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 Dodge RAM 50 AUTOMOBILES
A/C & Cooling System Maintenance -> DaimlerChrysler Corp. -> Dodge Ram 50
Vehicle: 1990 Dodge RAM 50 SE 2.4 L4 GAS
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BRAKE SERVICE PROCEDURES FOR 1990 Dodge RAM 50 AUTOMOBILES
POWER BRAKE UNITS, CHRYSLER CORP. -> Power Boosters -> DESCRIPTION
Vehicle: 1990 Dodge RAM 50 SE 2.4 L4 GAS
These units are self contained vacuum hydraulic power braking units. They are the vacuum suspended type which use engine intake manifold vacuum and atmospheric pressure for their power, eliminating the need for a vacuum reservoir. A mechanically operated control valve, integral with the vacuum power diaphragms, controls degree of brake application or release depending on amount of foot pressure applied to valve o...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 1990 Dodge RAM 50 AUTOMOBILES
DaimlerChrysler Corp./Jeep Light Trucks, SUVs & Vans -> Fuel Pressure Relief -> Ram 50
Vehicle: 1990 Dodge RAM 50 2.4 L4 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 dis...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1990 Dodge RAM 50 AUTOMOBILES
DRIVESHAFT U-JOINT, Replace -> Assemble -> Disassemble -> With Universal Joint Replacement Tool -> Without Universal Joint Replacement Tool
Vehicle: 1990 Dodge RAM 50 2.4 L4 GAS
With Universal Joint Replacement Tool
Disassemble
- Place driveshaft in a vise, using care to avoid damaging it.
- Remove bearing retaining snap rings. Some universal joints use injected nylon retainers in place of snap rings. During servicing, snap rings supplied with replacement universal joint assembly must be used.
- Position tool on shaft and press bearing out of yoke. If bearing cannot be pressed all way out, remove it using vise grips or channel lock pliers or strike center yoke with hammer. Mark yoke and shaft to ensure they will be reassembled in their same relative p...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1990 Dodge RAM 50 AUTOMOBILES
Starter, Replace
Vehicle: 1990 Dodge RAM 50 2.4 L4 GAS
- Disconnect battery ground cable.
- Raise and support vehicle.
- Remove heat shield clip and heat shield from starter.
- Remove starter motor attaching bolts and nuts.
- Remove solenoid.
- Disc...
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MAINTENANCE LAMP RESET PROCEDURES FOR 1990 Dodge RAM 50 AUTOMOBILES
Chrysler LLC Trucks -> Service 4WD System Warning Lamp ->
Vehicle: 1990 Dodge RAM 50 2.4 L4 GAS
This lamp should light for a approximately 2 seconds when the ignition is turned On as a bulb check. If the warning lamp...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1990 Dodge RAM 50 AUTOMOBILES
Coolant Hose, Replace -> Lower -> Upper
Vehicle: 1990 Dodge RAM 50 3.0 V6 GAS
Lower
- Drain cooling system into a suitable container.
- Reposition hose clamp at radiator outlet and remove hose.
- Reposition hose clamp at water pump and remove hose.
- Remove hose from vehicle.
- Reverse procedure to install.
Upper
- Drain cooling system into a s...
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SERPENTINE BELT SERVICE PROCEDURES FOR 1990 Dodge RAM 50 AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 1990 Dodge RAM 50 3.0 V6 GAS
- Attach a wrench to pulley mounting bolt of automatic tensioner. Threads on this bolt are lefthand.
- Release tension from belt by rotating tensioner clockwise. When all belt tension has been released remove belt from tensioner first, then other ...
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COMPONENT LOCATION DIAGRAMS FOR 1990 Dodge RAM 50 AUTOMOBILES
Component location diagrams for most 1990 Dodge RAM 50 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 Dodge RAM 50 AUTOMOBILES
OEM drawn wiring diagrams for most 1990 Dodge RAM 50 cars and light trucks sold in the U.S.
![]() Components on diagram: |
![]() Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 1990 Dodge RAM 50 AUTOMOBILES
OEM TSB listings for most 1990 Dodge RAM 50 cars and light trucks sold in the U.S. from 1985+.
Document: WINDSHIELD WIPER BLADE / ELEMENT MAINTENANCE Vehicle: 1990 Dodge RAM 50 3.0 V6 GAS Auto Systems: |
Document: AUTOMATIC TRANSMISSION FLUID USAGE - ATF+4 (TYPE 9602) - REVISED Vehicle: 1990 Dodge RAM 50 3.0 V6 GAS Symptoms: |
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COMPONENT/PARTS SPECIFICATIONS FOR 1990 Dodge RAM 50 AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1990 Dodge RAM 50 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 Dodge RAM 50 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 Dodge RAM 50 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 Dodge RAM 50 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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