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2003 Dodge RAM 3500 VAN CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Dodge 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 2003 Dodge RAM 3500 VAN AUTOMOBILES
Component Replacement & Adjustment -> Dakota, Durango, Full Size Pickup, Full Size Van, Grand Cherokee, Liberty & Wrangler -> Temperature/Blend Air Door Motor, Replace -> Grand Cherokee
Vehicle: 2003 Dodge RAM 3500 VAN 5.9 V8 GAS
Grand Cherokee
- Disconnect motor electrical conn...
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BRAKE SERVICE PROCEDURES FOR 2003 Dodge RAM 3500 VAN AUTOMOBILES
Drum Brakes -> DaimlerChrysler -> Precautions
Vehicle: 2003 Dodge RAM 3500 VAN 5.2 V8 GAS
When working on or around brake assemblies, care must be taken to prevent breathing asbestos dust, as many manufacturers incorporate asbestos fibers in the production of brake linings. During routine service operations, the amount of asbestos dust from brake lining wear is at a low level due to a chemical breakdown during use, and a few precautions will minimize exposure.. Do not sand or grind brake linings unless suitable local exhaust ventilation equipment is used to prevent excessive asbestos e...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 2003 Dodge RAM 3500 VAN AUTOMOBILES
DaimlerChrysler Corp./Jeep Light Trucks, SUVs & Vans -> Fuel Pressure Relief -> B Series Vans, Dakota, Durango, D & W Series, Ramcharger, Ram Truck 1500-3500 & Ram Van 1500-3500 w/Fuel Injection -> Less Fuel Pressure Test Port -> Multipoint Fuel Injection -> Throttle Body Fuel Injection -> With Fuel Pressure Test Port
Vehicle: 2003 Dodge RAM 3500 VAN 5.2 V8 CNG
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 st...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2003 Dodge RAM 3500 VAN AUTOMOBILES
DRIVESHAFT U-JOINT, Replace -> Assemble -> Disassemble
Vehicle: 2003 Dodge RAM 3500 VAN 5.9 V8 GAS
The following procedure is described for a propeller shaft equipped with only a cardan joint in the tube yoke. If the propeller shaft is equipped with a companion yoke, simply repeat the following steps to remove the cardan joint from the companion yoke after removing the cardan joint from the tube yoke. Individual components of cardan universal joints are not serviceable. If worn or leaking, they must be replaced as an assembly.
Disassemble
- Remove propeller shaft.
- Using a soft drift, tap outside of bearing cap assembly to loosen snap ring.
- Remove snap rings from both si...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2003 Dodge RAM 3500 VAN AUTOMOBILES
Alternator, Replace
Vehicle: 2003 Dodge RAM 3500 VAN 5.2 V8 GAS
- Remove battery ground cable.
- Remove alternator drive belt.
- Remove alternator pivot bolt and mounting bolts and nuts.
- Remove battery positive terminal retaining nuts.
- Remove ground terminal and field terminal retaining nuts.
- Remove upper alte...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2003 Dodge RAM 3500 VAN AUTOMOBILES
Chrysler LLC Trucks -> Air Bag Indicator Lamp ->
Vehicle: 2003 Dodge RAM 3500 VAN 5.2 V8 GAS
The air bag indicator lamp lights for 6-8 seconds each time the ignition is turned On. The lamp indicates a system self-test is being performed by the air bag co...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2003 Dodge RAM 3500 VAN AUTOMOBILES
Heater Hose, Replace -> Bypass -> Inlet -> Outlet
Vehicle: 2003 Dodge RAM 3500 VAN 5.2 V8 CNG
Inlet
- Drain cooling system into a suitable container.
- Reposition heater core inlet hose clamp at engine.
- Remove hose from engine.
- Reposition heater hose inlet clamp at heater core.
- Remove heater inlet hose from heater core.
- Remove hose from vehicle.
- Reverse procedure to install.
Outlet
- Drain cooling system into a suitable container.
- Reposition heater hose outlet clamp at heater core.
- Disconnect heater outlet hose from he...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2003 Dodge RAM 3500 VAN AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2003 Dodge RAM 3500 VAN 5.9 V8 GAS
- Attach a wrench to pulley mounting bolt of automatic tensioner. Threads on this bolt are lefthand.
- Release tension from belt by rotating tensioner counterclockwise. When all belt tension has been released remove belt from tensioner first, then oth...
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COMPONENT LOCATION DIAGRAMS FOR 2003 Dodge RAM 3500 VAN AUTOMOBILES
Component location diagrams for most 2003 Dodge RAM 3500 VAN cars and light trucks sold in the U.S. from 1990+.
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![]() Components on diagram: |
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WIRING DIAGRAMS FOR 2003 Dodge RAM 3500 VAN AUTOMOBILES
OEM drawn wiring diagrams for most 2003 Dodge RAM 3500 VAN cars and light trucks sold in the U.S.
![]() Components on diagram: |
![]() Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2003 Dodge RAM 3500 VAN AUTOMOBILES
OEM TSB listings for most 2003 Dodge RAM 3500 VAN cars and light trucks sold in the U.S. from 1985+.
Document: RECALL - VISIBILITY:WINDSHIELD WIPER/WASHER Vehicle: 2003 Dodge RAM 3500 VAN 5.2 V8 GAS |
Document: AUTOMATIC TRANSMISSION DIAGNOSTIC TEARDOWN PROCEDURE - REVISED Vehicle: 2003 Dodge RAM 3500 VAN 5.2 V8 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2003 Dodge RAM 3500 VAN AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2003 Dodge RAM 3500 VAN 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 2003 Dodge RAM 3500 VAN 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 2003 Dodge RAM 3500 VAN 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 2003 Dodge RAM 3500 VAN 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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