Segment:
Full-size Minivan
Description:
The Dodge Caravan was a highly popular and practical family vehicle, known for its spacious interior, flexible seating, and versatile cargo capacity. It was a segment leader for many years.
Key Competitors:
Ford Windstar, Honda Odyssey, Toyota Sienna, Chevrolet Venture, Pontiac Montana.
Features:
Multiple seating configurations (Stow 'n Go was introduced in later generations, but flexibility was a hallmark), optional all-wheel drive, a range of V6 engines, and user-friendly sliding doors.
Engine Systems:
All engine systems, including fuel, ignition, cooling, lubrication, starting, charging, and emissions control.
Transmission:
Manual and automatic transmission systems, including service, repair, and overhaul procedures.
Driveline And Differential:
Front-wheel drive axle shafts, CV joints, differential, and related components.
Suspension And Steering:
Front and rear suspension components (struts, springs, control arms, shocks), steering system (rack and pinion, power steering).
Brakes:
Hydraulic brake system, including disc and drum components, ABS, parking brake, and fluid specifications.
Body And Frame:
Body panels, doors, windows, interior trim, bumpers, and structural frame components.
Heating And Air Conditioning:
HVAC system components, refrigerant handling, diagnostics, and repair.
Electrical Systems:
Wiring diagrams, lighting, power distribution, instrument cluster, audio systems, horns, chimes, and security systems.
Restraints Systems:
Airbag system, seat belts, and related components.
Emissions Control:
Emissions control systems, including catalytic converters, O2 sensors, EGR, and evaporative emissions.
Maintenance Schedules:
Recommended maintenance schedules for fluids, filters, belts, and spark plugs.
Troubleshooting Guides:
Diagnostic procedures and troubleshooting flowcharts for various systems.
Repair Procedures:
Step-by-step repair instructions for all major vehicle components and systems.
Component Removal And Installation:
Detailed procedures for removing and installing engines, transmissions, suspension parts, body panels, etc.
Diagnostics And Testing:
Procedures for testing electrical circuits, sensors, actuators, and mechanical components.
Specifications And Tolerances:
Torque specifications, clearances, and other critical technical data.
Wiring Diagrams:
Comprehensive electrical wiring diagrams for all vehicle systems.
Level Of Detail:
Comprehensive, covering basic maintenance to complete engine and transmission overhauls.
Target Audience:
Professional technicians and knowledgeable DIY enthusiasts.
Engine 1:
2.4L DOHC I4 (GEMA engine family)
Engine 1 Displacement:
2429 cc
Engine 1 Power:
Approx. 150 hp @ 5800 rpm
Engine 1 Torque:
Approx. 167 lb-ft @ 4400 rpm
Engine 2:
3.3L OHV V6 (EGA engine family)
Engine 2 Displacement:
3301 cc
Engine 2 Power:
Approx. 180 hp @ 5000 rpm
Engine 2 Torque:
Approx. 205 lb-ft @ 3500 rpm
Engine 3:
3.8L OHV V6 (EGH engine family)
Engine 3 Displacement:
3778 cc
Engine 3 Power:
Approx. 205 hp @ 5000 rpm
Engine 3 Torque:
Approx. 230 lb-ft @ 3200 rpm
Fuel Delivery:
Electronic Fuel Injection (EFI)
Fuel Type:
Unleaded Gasoline (87 octane recommended)
Diesel Engine Option:
Yes, a 2.5L Turbo Diesel was an option, though less common in North America.
Diesel Engine Coverage:
Manual explicitly covers the 2.5L Turbo Diesel engine and its associated systems.
Transmission Option 1:
4-speed Automatic (41TE/42LE)
Transmission Option 2:
5-speed Manual (Limited availability, typically on base models or specific markets)
Transmission Features:
Electronically controlled, adaptive shift logic for automatic transmissions. Torque converter lock-up.
Automatic Transmission Fluid:
Chrysler ATF+4 (MS-9602) or equivalent.
Automatic Transmission Fluid Capacity:
Approximately 4.5-5.0 quarts (4.3-4.7 liters) for fluid change, 8.5-9.0 quarts (8.0-8.5 liters) for overhaul.
Wheelbase:
Approx. 112.1 inches (2847 mm)
Length:
Approx. 179.4 inches (4557 mm) for standard wheelbase, 190.7 inches (4844 mm) for long wheelbase.
Passenger Capacity:
5 to 7 passengers, depending on configuration.
Cargo Volume:
Significantly large cargo volume, adjustable with seat configurations. Up to approx. 140-150 cu ft behind front seats in long-wheelbase models.
Curb Weight:
Ranges from approx. 3,600 lbs to 4,200 lbs (1633 kg to 1905 kg) depending on engine and configuration.
Gross Vehicle Weight Rating:
Typically in the range of 5,300 lbs to 5,800 lbs (2404 kg to 2631 kg).
NHTSA Front Crash Test:
Generally performed well for its class, though specific ratings may vary by test date and methodology.
IIHS Offset Crash Test:
Performed adequately but highlighted typical minivan safety challenges of the era.
Active Safety:
Optional Anti-lock Braking System (ABS), Traction Control System (TCS) available on some models.
Passive Safety:
Driver and front passenger airbags, side-impact airbags (optional on some trims), three-point seat belts for all occupants, child seat anchors (LATCH).
Oil Change Interval:
Typically every 3,000-7,500 miles (5,000-12,000 km) or 3-6 months, depending on driving conditions and oil type used (refer to manual for specific recommendations).
Transmission Fluid Change:
Recommended every 30,000-60,000 miles (48,000-96,000 km), or more frequently under severe service conditions.
Spark Plug Replacement:
Depending on plug type: platinum-tipped plugs (common for V6) up to 100,000 miles; standard plugs typically 30,000 miles.
Engine Oil Specification:
SAE 5W-30 or 10W-30 (depending on ambient temperature) meeting Chrysler MS-6395 specification.
Coolant Specification:
Chrysler Long Life Antifreeze/Coolant (HOAT) or equivalent meeting MS-9769, typically a 50/50 mix with distilled water.
Brake Fluid Specification:
DOT 3 brake fluid.
Common Wear Items:
Wheel bearings, ball joints, tie rod ends, and CV joints are common wear items, especially in higher-mileage vehicles. Heater core leaks can also occur.
Transmission Issues:
Some transmissions, particularly the 4-speed automatics, could experience issues with solenoid packs, valve bodies, or torque converter clutches if not properly maintained.
Engine Issues:
The 2.4L engine can be prone to head gasket issues if overheated. The 3.3L and 3.8L V6 engines are generally robust but can develop intake manifold gasket leaks or oil filter housing leaks.
Dodge Minivan Legacy:
Dodge, alongside Chrysler, is credited with inventing the modern minivan segment with the original Caravan/Voyager in the early 1980s. The 2003 model is part of the highly successful third generation.
Generation:
Third Generation (NS) - 1996-2000, with a facelift for 2001-2007. The 2003 model falls within this facelifted period.
Facelift Updates:
Updated exterior styling (grille, headlights, taillights), revised interior, and powertrain enhancements for the 2001 model year which carried through 2003.
Manufacturing Locations:
Primarily Windsor, Ontario, Canada, and St. Louis, Missouri, USA.