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2003 Mitsubishi Diamante CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Mitsubishi 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
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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
Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2003 Mitsubishi Diamante car and truck
repair procedures including Mitsubishi 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 Mitsubishi Diamante automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR 2003 Mitsubishi Diamante AUTOMOBILES
Electrical Symbol & Wire Color Code Identification -> Electrical Symbol Identification -> Imported Vehicles
Vehicle: 2003 Mitsubishi Diamante 3.5 V6 GAS
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BRAKE SERVICE PROCEDURES FOR 2003 Mitsubishi Diamante AUTOMOBILES
Mitsubushi -> Power Brake Units -> Description
Vehicle: 2003 Mitsubishi Diamante 3.5 V6 GAS
The power brake unit is a vacuum assist diaphragm assembly which multiplies the force exerted on the master cylinder piston in order to increase the hydraulic pressure delivered to the wheel calipers. This effectively decreases the effort required to attain sufficient stopping performance.
Vacuum assist units are powered by the opposition of engine vacuum to atmospheric pressure. A piston, cylinder and flexible diaphr...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 2003 Mitsubishi Diamante AUTOMOBILES
Mitsubishi -> Fuel Filter Replacement -> Diamante w/3.5L Gasoline Engine -> Fuel System Pressure Relief -> Removal & Installation
Vehicle: 2003 Mitsubishi Diamante 3.5 V6 GAS
Fuel System Pressure Relief
- Remove the rear seat.
- Remove the floor protector to disconnect fuel pump electrical connector.
- Start the engine and let run until is stalls.
- Place the ignition switch in Off position.
- Disconnect the battery ground cable.
- Connect the fuel pump electrical connector.
- Install the protector and rear seat.
Removal & Installation
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 inj...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2003 Mitsubishi Diamante AUTOMOBILES
CV AXLE SHAFT, Replace -> Front
Vehicle: 2003 Mitsubishi Diamante 3.5 V6 GAS
Front
- Raise and support vehicle and support it with safety stands in proper locations.
- Remove drain plug from transaxle and drain into suitable container.
- Remove wheel nuts and front wheels.
- Remove wheel hub cotter pin, nut, and washer. Do not apply pressure to wheel bearing from vehicle weight to avoid possible damage when driveshaft nut is loosened.
- Remove self-locking nut from lower arm ball joint.
- Remove self-locking nut from tie-rod end connection.
- Center bearing bracket bolts.
- Remove driveshaft inner sha...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2003 Mitsubishi Diamante AUTOMOBILES
Alternator, Replace
Vehicle: 2003 Mitsubishi Diamante 3.5 V6 GAS
- Disconnect battery ground cable.
- Remove alternator drive belt, then disconnect alternator harness connector.
- Remove oil level dipstick.
- Remove alternator adjustment bol...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2003 Mitsubishi Diamante AUTOMOBILES
Mitsubishi -> Active Skid Control System (ACS) Warning Lamp ->
Vehicle: 2003 Mitsubishi Diamante 3.5 V6 GAS
The ACS warning lamp is used to warn of a system fault. It will be lit during engine start-up, but should go out when the self-diagnostic system determines that the system is functioning properly. The lamp will flash when the ASC is activated. If the...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2003 Mitsubishi Diamante AUTOMOBILES
Coolant Hose, Replace -> Lower -> Upper
Vehicle: 2003 Mitsubishi Diamante 3.5 V6 GAS
Lower
- Disconnect battery ground cable.
- Drain cooling system into a suitable container by loosening drain plug of radiator.
- Reposition hose clamp at radiator outlet.
- Remove hose from radiator.
- Reposition hose clamp at thermostat housing assembly.
- Remove hose from thermostat housing assembly.
- Remove hose from vehicle.
- Reverse procedure ...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2003 Mitsubishi Diamante AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2003 Mitsubishi Diamante 3.5 V6 GAS
- Loosen tension pulley fixing bolt.
- Loosen ...
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COMPONENT LOCATION DIAGRAMS FOR 2003 Mitsubishi Diamante AUTOMOBILES
Component location diagrams for most 2003 Mitsubishi Diamante cars and light trucks sold in the U.S. from 1990+.
 Door Diagram for 2003 Mitsubishi Diamante 3.5 V6 GASComponents on diagram: |
 MFI Components Diagram for 2003 Mitsubishi Diamante 3.5 V6 GASComponents on diagram: |
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WIRING DIAGRAMS FOR 2003 Mitsubishi Diamante AUTOMOBILES
OEM drawn wiring diagrams for most 2003 Mitsubishi Diamante cars and light trucks sold in the U.S.
 2003 Mitsubishi Diamante 3.5 V6 GAS Wiring DiagramComponents on diagram: |
 2003 Mitsubishi Diamante 3.5 V6 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2003 Mitsubishi Diamante AUTOMOBILES
OEM TSB listings for most 2003 Mitsubishi Diamante cars and light trucks sold in the U.S. from 1985+.
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Document: TPMS LAMP ILLUMINATED IN COLD WEATHER Vehicle: 2003 Mitsubishi Diamante 3.5 V6 GAS Auto Systems: |
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Document: BUFFETING OR BOOMING NOISE WITH WINDOWS DOWN Vehicle: 2003 Mitsubishi Diamante 3.5 V6 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2003 Mitsubishi Diamante AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2003 Mitsubishi Diamante 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 Mitsubishi Diamante 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 Mitsubishi Diamante 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 Mitsubishi Diamante 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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