Brake pad and shoe replacement, rotor resurfacing/replacement, caliper service, master cylinder replacement, brake bleeding procedures, ABS component replacement.
Suspension Steering Repair:
Ball joint replacement, tie rod end replacement, shock/strut replacement, control arm bushings, power steering pump replacement, steering gear service.
Electrical Diagnostics:
Tracing electrical circuits using wiring diagrams, testing sensors, actuators, relays, starter and alternator testing, battery testing.
HVAC Service:
Refrigerant recharging, leak detection, component replacement (compressor, condenser, evaporator), blower motor replacement, blend door actuator diagnosis.
Body Panel Replacement:
Procedures for removing and installing fenders, doors, hoods, bumpers, and tailgate. Includes adjustment and alignment.
Airbag System Service:
Safely disarming and servicing the Supplemental Restraint System (SRS), including airbag module replacement and related sensor diagnostics.
Technical Depth
Depth Level:
In-depth, covering complete overhauls and advanced diagnostics.
Diagnostic Capabilities:
Detailed troubleshooting trees, symptom-to-cause analysis, and component testing procedures for all major systems.
Repair Procedures:
Step-by-step instructions with torque specifications, special tool requirements, and detailed diagrams for virtually all repair operations.
Wiring Diagrams:
Comprehensive and clearly labeled electrical wiring diagrams for all vehicle circuits, including power distribution, grounds, and component connections.
⚙️ Engine Specifications
Primary Engine
Engine Code 1:
2.5L Magnum (ID code: ESM)
Engine Displacement 1:
2506 cc (153 cubic inches)
Engine Configuration 1:
Inline 4-Cylinder (I4)
Horsepower 1:
120 hp @ 5000 rpm
Torque 1:
150 lb-ft @ 3200 rpm
Fuel System 1:
Multi-port Fuel Injection (MPI)
Optional Engine
Engine Code 2:
3.7L Magnum (ID code: EKG)
Engine Displacement 2:
3701 cc (226 cubic inches)
Engine Configuration 2:
Inline 5-Cylinder (I5)
Horsepower 2:
210 hp @ 5200 rpm
Torque 2:
235 lb-ft @ 3600 rpm
Fuel System 2:
Multi-port Fuel Injection (MPI)
Engine Code 3:
4.7L Magnum (ID code: ENH)
Engine Displacement 3:
4701 cc (287 cubic inches)
Engine Configuration 3:
V8
Horsepower 3:
230 hp @ 4800 rpm
Torque 3:
295 lb-ft @ 3200 rpm
Fuel System 3:
Multi-port Fuel Injection (MPI)
Performance
Compression Ratio 25L:
9.2:1
Compression Ratio 37L:
9.6:1
Compression Ratio 47L:
8.7:1
🔧 Transmission
Standard
Transmission Type 1:
5-Speed Manual (NV3500)
Transmission Type 2:
5-Speed Manual (NV1500 - typically with 2.5L)
Optional
Transmission Type 3:
4-Speed Automatic (42RE)
Transmission Type 4:
4-Speed Automatic (45RFE - typically with 3.7L and 4.7L)
Features
Drivetrain Options:
Rear-Wheel Drive (RWD), Four-Wheel Drive (4WD).
📐 Dimensions
Exterior
Wheelbase Shortbed:
111.9 inches
Wheelbase Longbed:
124.9 inches
Overall Length Shortbed:
197.4 inches
Overall Length Longbed:
210.4 inches
Cargo
Bed Length Shortbed:
71.7 inches
Bed Length Longbed:
84.7 inches
Weights
Curb Weight Range:
Approx. 3,800 - 4,500 lbs (varies by configuration)
Towing Capacity Max:
Up to 6,400 lbs (with appropriate engine and towing package)
Payload Capacity Max:
Up to 1,675 lbs (varies by configuration)
🛡️ Safety Features
Ratings
NHTSA Driver Front Impact:
Likely acceptable to good (ratings vary by specific test and year).
NHTSA Passenger Front Impact:
Likely acceptable to good (ratings vary by specific test and year).
IIHS Frontal Offset:
Marginal to Acceptable (typical for vehicles of this era).
Active Features
ABS:
Standard on most models, optional on some base configurations.
Traction Control:
Optional on some models, often tied to 4WD systems.
Passive Features
Airbags Front:
Standard front driver and passenger airbags.
Seatbelts:
Three-point seat belts with pretensioners (front), three-point belts (rear).
Child Seat Anchors:
LATCH system (Lower Anchors and Tethers for Children) not standard in 2003, use seat belts for securing child seats.
💡 Technology Features
Infotainment
Audio System:
AM/FM stereo with CD player (optional), cassette player (optional), and up to 6 speakers.
Display:
Basic digital display for radio and clock, no advanced screens.
Driver Assistance
Cruise Control:
Optional.
Connectivity
Remote Keyless Entry:
Optional.
Power Windows Locks:
Optional on base models, standard on higher trims.
🔧 Maintenance
Service Intervals
Oil Change Interval:
Every 3,000-5,000 miles or 3-6 months, depending on driving conditions (consult manual for exact recommendation).
Air Filter Replacement:
Every 15,000-30,000 miles or as needed based on inspection.
Spark Plug Replacement 25L 37L:
Approx. 60,000 miles (check manual for specific plug type and gap).
Spark Plug Replacement 47L:
Approx. 100,000 miles (Long Life Platinum or Iridium plugs, check manual).
Transmission Fluid Change Auto:
Every 30,000-60,000 miles or as per severe service schedule.
Transmission Fluid Change Manual:
Every 60,000 miles (check manual).
Fluid Specifications
Engine Oil 25L 37L 47L:
API Service SG or SH, SAE 5W-30 or 10W-30 (check owner's manual for specific viscosity based on temperature).