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2003 Chrysler 300M CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Chrysler 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
- Tire Pressure Monitoring System
- Starter & Alternator Replacement
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service

A/C & HEATER SERVICE PROCEDURES FOR 2003 Chrysler 300M AUTOMOBILES
General Service Domestic Vehicles -> 2003-04 -> Precautions -> A/C Refrigerant Oil -> Battery Ground Cable -> Cleanliness -> Engine Coolant -> Exercise System -> General Service -> Product Compatibility -> R-134a -> Safety
Vehicle: 2003 Chrysler 300M Special 3.5 V6 GAS
Battery Ground Cable
Prior to service disconnect battery ground cable and isolate as required.
Product Compatibility
A/C Refrigerant Oil
Before replenishing refrigerant oil, ensure product compatibility with the system being serviced. Refer to "A/C Data," for specifications.
Engine Coolant
Before adding or replacing engine coolant, ensure product compatibility with the system being serviced. If using orange silicate-free coolant, do not mix with green silicated coolant. If mixed, premature engine, heater core or radiator corrosion may result.
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BRAKE SERVICE PROCEDURES FOR 2003 Chrysler 300M AUTOMOBILES
Hydraulic Brake Systems -> Component Replacement -> 1999-2000 -> 2001 -> 2001-03 -> 2002-03 -> Avenger -> Breeze & Cirrus -> Concorde, Intrepid, LHS & 300M -> Convertible -> Coupe -> Fluid Reservoir -> Junction Block -> Less ABS -> Master Cylinder -> Neon -> Proportioning Valve -> Sebring & Stratus -> Sedan -> With ABS -> Without ABS
Vehicle: 2003 Chrysler 300M 3.5 V6 GAS
Fluid Reservoir
These models use ISO style flares that are of metric dimension. Use ISO style tubing flares and metric tubing when performing any repairs.
- Remove reservoir caps.
- Remove reservoir brake fluid.
- Remove master cylinder as outlined under "Master Cylinder, Replace."
- Secure master cylinder in suitable vise.
- Remove two reservoir to master cylinder retaining pins, Fig. .
- Rock reservoir side to side and remove from master cylinder. Do not use any tools when removing reservoir.
- Remove sealing grommets
- Reverse procedure to install, noting the following:
- Lubricate new sealing gromm...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 2003 Chrysler 300M AUTOMOBILES
DaimlerChrysler/AMC/Eagle Passenger Cars -> Fuel Filter Scheduled Maintenance -> 1981-06 Front Wheel Drive Models Except Champ & Colt -> Normal Service -> Severe Service
Vehicle: 2003 Chrysler 300M PRO-AM Edition 3.5 V6 GAS
Normal ...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2003 Chrysler 300M AUTOMOBILES
CV AXLE SHAFT, Replace
Vehicle: 2003 Chrysler 300M 3.5 V6 GAS
- Raise vehicle on jack stands or centered on a frame contact type hoist.
- Remove front wheel and tire assembly from vehicle.
- Remove front caliper assembly from front steering knuckle assembly.
- Remove front braking disk (rotor) from hub, by pulling it straight off wheel mounting studs.
- Remove speed sensor cable routing bracket from strut assembly.
- Remove hub and bearing to stub axle retaining nut.
- Install a suitable puller or special tool 6790 or equivalent, on hub and bearing assembly, using wheel lug nuts to secure it in place.
- Install a wheel lug nut on wheel stud to protect thr...
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TIRE PRESSURE MONITORING SYSTEM PROCEDURES FOR 2003 Chrysler 300M AUTOMOBILES
Diagnosis & Testing
Vehicle: 2003 Chrysler 300M 3.5 V6 GAS
Refer to Figs. ...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2003 Chrysler 300M AUTOMOBILES
Alternator, Replace
Vehicle: 2003 Chrysler 300M PRO-AM Edition 3.5 V6 GAS
- Disconnect battery ground cable.
- Loosen alternator lower mounting bolt, then pivot bolt. Do not remove bolts.
- Loosen drive belt adjustment bolt, then remove drive belt.
- Remove alternator bracket, lower mounting bolt and pivot bolt.
- Remove alternator, then disc...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2003 Chrysler 300M AUTOMOBILES
Chrysler LLC Cars -> Compass & Temperature Mini Trip Computer -> Concorde, Intrepid, LHS, New Yorker, Vision & 300M -> Compass Calibration -> Variance Setting
Vehicle: 2003 Chrysler 300M 3.5 V6 GAS
Compass Calibration
- Place the ignition switch in the On position, then set mini trip computer to Compass/Temp mode, Fig. .
- Press and hold the RESET button until CAL is displayed.
- Drive the vehicle in one complete circle at a speed of 3-5 mph. This should be done on a level surface free of large metal objects such as other vehicles, bridges, buildings, railroads and underground cables.
- When the CAL indicator turns Off, the compass has been calibrated and should now display proper headings.
- Inspect for proper calibrations...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2003 Chrysler 300M AUTOMOBILES
Radiator, Replace
Vehicle: 2003 Chrysler 300M Special 3.5 V6 GAS
- Drain cooling system into a suitable container.
- Remove upper radiator crossmember, then the clamps and hoses from radiator.
- Disconnect transmission hoses from cooler. Plug hose to prevent contamination.
- Disconnect engine oil cooler lines.
- Disconnect radiator fan electrical connector, the...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2003 Chrysler 300M AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2003 Chrysler 300M 3.5 V6 GAS
- Remove tensioner pulley locking nut.
- Raise and support vehicle.
- Remove push clips attaching lower air shield to ...
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COMPONENT LOCATION DIAGRAMS FOR 2003 Chrysler 300M AUTOMOBILES
Component location diagrams for most 2003 Chrysler 300M cars and light trucks sold in the U.S. from 1990+.
![]() Components on diagram: |
![]() Components on diagram: |
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WIRING DIAGRAMS FOR 2003 Chrysler 300M AUTOMOBILES
OEM drawn wiring diagrams for most 2003 Chrysler 300M cars and light trucks sold in the U.S.
![]() Components on diagram: |
![]() Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2003 Chrysler 300M AUTOMOBILES
OEM TSB listings for most 2003 Chrysler 300M cars and light trucks sold in the U.S. from 1985+.
Document: RECALL - EMISSIONS RECALL J18 - REPROGRAM POWERTRAIN CONTROL MODULE Vehicle: 2003 Chrysler 300M 3.5 V6 GAS Auto Systems: |
Document: Flash: MIL Illumination Due To Diagnostic Trouble Code P0340 or P0344 Vehicle: 2003 Chrysler 300M 3.5 V6 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2003 Chrysler 300M AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2003 Chrysler 300M 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 Chrysler 300M 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 Chrysler 300M 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 Chrysler 300M 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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