Refrigerant handling, compressor replacement, blower motor service, heater core replacement
Body Repair:
Panel replacement, door hinge adjustment, glass installation
Diagnostic Troubleshooting:
Step-by-step diagnostic procedures for common and uncommon faults
Routine Maintenance:
Oil and filter changes, fluid level checks and top-offs, tire rotations, spark plug replacement
Technical Depth
Depth Level:
Comprehensive factory-level detail
Diagnostic Approach:
Systematic diagnostic flowcharts and symptom-based troubleshooting
Torque Specifications:
Detailed torque specifications for all fasteners and critical components
Clearances And Tolerances:
Precise measurements for component fitment and wear limits
Special Tools:
Identification and usage of specialized tools required for certain procedures
📊 Manual Specifications
File Format
Access Method:
Web browser access via subscription
Print Quality
Printability:
Printable sections for offline use
Binding Type
Binding:
Not applicable (digital format)
Paper Type
Paper:
Not applicable (digital format)
⚙️ Engine Specifications
Primary Engine
Engine Code 1:
KA24DE
Engine Type 1:
2.4L DOHC 16-valve Inline 4-cylinder
Horsepower 1:
143 hp @ 4800 rpm
Torque 1:
154 lb-ft @ 4000 rpm
Optional Engine
Engine Code 2:
VG33E
Engine Type 2:
3.3L SOHC 12-valve V6
Horsepower 2:
180 hp @ 4800 rpm
Torque 2:
205 lb-ft @ 3200 rpm
Fuel System
Fuel Delivery:
Multi-port Fuel Injection (MPFI)
Fuel Type:
Unleaded gasoline
🔧 Transmission
Standard
Transmission Type 1:
5-speed manual
Optional
Transmission Type 2:
4-speed automatic (4-speed RE4R01A)
Features
Drivetrain Options:
Rear-wheel drive (RWD), Four-wheel drive (4WD)
📐 Dimensions
Exterior
Wheelbase Short Bed:
104.3 inches
Wheelbase Long Bed:
116.1 inches
Weights
Curb Weight Range:
Approximately 3,500 - 4,200 lbs (depending on configuration)
🛡️ Safety Features
Ratings
NHTSA Front Impact Driver:
4 Stars (for 2003 model year)
NHTSA Front Impact Passenger:
4 Stars (for 2003 model year)
IIHS Front Offset Crash Rating:
Acceptable (for 2003 model year)
Active Features
ABS:
Available (typically on higher trims or optional)
Passive Features
Airbags:
Driver and passenger front airbags
💡 Technology Features
Infotainment
Audio System:
AM/FM stereo with CD player or cassette/CD combination, optional premium audio.
Driver Assistance
Cruise Control:
Available
Connectivity
Auxiliary Input:
Rarely standard, typically aftermarket additions.
🔧 Maintenance
Service Intervals
Oil Change Interval Gasoline:
Every 3,750 miles or 3 months (severe service) / Every 7,500 miles or 6 months (normal service), consult manual for specifics.
Engine Air Filter Replacement:
Approximately every 15,000 miles or as needed based on driving conditions.
Spark Plug Replacement Ka24De:
Approximately every 60,000 miles (platinum-tipped plugs).
Transmission Fluid Change Automatic:
Every 30,000 - 60,000 miles, depending on driving conditions and fluid type used.
Fluid Specifications
Engine Oil Type Ka24De:
API Service SG, SH, SJ or higher, SAE 5W-30 (or 10W-30 if temperature permits).
Engine Oil Type Vg33E:
API Service SG, SH, SJ or higher, SAE 5W-30 (or 10W-30 if temperature permits).
Coolant Type:
Nissan Genuine Super Long Life Coolant (or equivalent with specified chemistry)
Brake Fluid Type:
DOT 3
Power Steering Fluid Type:
Nissan Genuine ATF (Type D) or equivalent
Known Issues
Common Issues 1:
Rear main seal leaks, catalytic converter failure, power window regulators, suspension component wear (ball joints, tie rods)
Common Issues 2:
Coolant leaks from hoses or water pump, potential for oil consumption in higher mileage engines.
📚 Vehicle History
Brand Heritage
Brand Focus:
Nissan is a global automotive manufacturer known for reliability and innovation.
Model Evolution
Segment:
Compact pickup truck
Previous Generation Name:
Nissan Hardbody Truck (D21)
Next Generation Name:
Nissan Frontier (D40, introduced for 2005 model year)
Production
Manufacturing Plant:
Nissan Motor Manufacturing Corporation, Smyrna, Tennessee, USA
🏆 Awards & Recognition
Recognitions
Segment Awards:
While specific awards for the 2003 model year may not be widely publicized, the Frontier generally received positive reviews for its ruggedness and capability within its segment.