🏷️ Basic Information

Make:

Isuzu

Model:

Axiom

Year:

2004

Vehicle Code:

UA4

👋 Introduction

Market Position:

The Isuzu Axiom was a mid-size SUV, positioned as a more rugged and value-oriented alternative to mainstream Japanese and American competitors. It aimed to appeal to buyers seeking SUV utility with the reliability associated with Isuzu's truck heritage.

Competitive Analysis:

Competed against vehicles like the Toyota 4Runner, Nissan Pathfinder, Ford Explorer, and Jeep Grand Cherokee. Its key differentiators were its robust construction, capable drivetrain, and often competitive pricing.

Key Features:

Standard V6 engine, available All-Wheel Drive (AWD) system (Torque-on-Demand), body-on-frame construction for durability, spacious interior, practical cargo area.

📋 Manual Details

Coverage Areas:

All major mechanical and electrical systems, bodywork, chassis, and maintenance procedures.

Page Count:

Likely extensive, typical of full factory service manuals (e.g., 1500-3000+ pages in print equivalent).

Manual Type:

Official Factory Service Manual / Repair Manual Software

Language:

English

Format:

Software (likely digital download, possibly searchable PDF or proprietary application).

📖 Manual Coverage

Systems Covered:

Engine mechanical, engine performance, fuel system, ignition system, cooling system, lubrication system, exhaust system, transmission (automatic), drivetrain (AWD), brakes (ABS, EBD), steering system, suspension (front independent, rear independent), HVAC system, power steering, electrical system (charging, starting, lighting, accessories, ECUs), body control modules, safety systems (airbags, seatbelts), body and chassis, interior and exterior trim, diagnostics, wiring diagrams.

Procedures Included:

Routine maintenance, scheduled maintenance, component removal and installation, disassembly and assembly, diagnostic procedures, troubleshooting guides, specifications, torques, fluid capacities, electrical schematics, component testing, repair procedures for all major systems.

Technical Depth:

Comprehensive: Covers everything from basic fluid changes and inspections to complete engine rebuilds, transmission overhaul, complex electrical diagnostics, and body panel repair. Includes diagnostic trouble codes (DTCs) and their associated troubleshooting steps.

📊 Manual Specifications

File Format:

Digital (format dependent on specific software, often PDF or executable with integrated search functionality).

Print Quality:

N/A (Digital format; clarity and searchability are key).

Binding Type:

N/A (Digital format).

Paper Type:

N/A (Digital format).

⚙️ Engine Specifications

Engine Displacement Liters:

3.5

Engine Code:

3AZ-FE (Isuzu VGS engine family)

Engine Configuration:

V6 (60-degree bank angle)

Valve Train:

DOHC (Double Overhead Camshaft), 4 valves per cylinder

Horsepower Hp:

230

Torque Lb Ft:

245

Fuel Delivery:

Electronic Fuel Injection (EFI), Sequential Multiport Fuel Injection (SMPI)

Fuel Type:

Unleaded gasoline

Coolant Type:

Isuzu specified engine coolant (typically Dex-Cool compatible or equivalent ethylene glycol-based antifreeze).

🔧 Transmission

Transmission Type:

4-speed automatic

Optional Transmission Type:

N/A (Only automatic was offered).

Drivetrain:

All-Wheel Drive (AWD) - Isuzu's Torque-on-Demand system.

Transmission Fluid Type:

Dexron III or equivalent automatic transmission fluid (ATF).

Transmission Fluid Capacity Qt:

Approximately 9.7 quarts (9.2 liters) for fluid change and filter.

📐 Dimensions

Length In:

192.3

Width In:

72.4

Height In:

68.9

Wheelbase In:

111.4

Curb Weight Lbs:

4325

Gross Vehicle Weight Rating Gvwr Lbs:

5500

Towing Capacity Lbs:

3500

Cargo Volume Cu Ft Behind 2Nd Row:

39.8

Cargo Volume Cu Ft Max:

81.5

🛡️ Safety Features

NHTSA Front Barrier Crash Test Driver Rating:

5 Stars (for models with side airbags)

NHTSA Front Barrier Crash Test Passenger Rating:

5 Stars

NHTSA Side Impact Crash Test Driver Rating:

4 Stars

NHTSA Side Impact Crash Test Rear Passenger Rating:

4 Stars

IIHS Frontal Offset Rating:

Good

Active Safety Features:

Anti-lock Braking System (ABS), Electronic Brake-force Distribution (EBD), Traction Control System (TCS).

Passive Safety Features:

Dual-stage front airbags, available front side-impact airbags, 3-point seat belts with pretensioners and load limiters, LATCH (Lower Anchors and Tethers for Children) system.

💡 Technology Features

Infotainment System:

Basic AM/FM/CD stereo system. Optional premium audio system may be available.

Display Type:

Analog gauges with integrated digital odometer and trip computer. Non-color LCD display for radio information.

Driver Assistance Features:

Limited by modern standards. Primarily features like cruise control, ABS, traction control, and AWD system for enhanced stability.

Connectivity Features:

Basic 12V power outlets for accessories. No integrated Bluetooth or USB ports from the factory.

🔧 Maintenance

Oil Change Interval Miles:

Every 7,500 miles or 6 months, whichever comes first.

Tire Rotation Interval Miles:

Every 7,500 miles.

Engine Air Filter Replacement Miles:

Every 30,000 miles or as needed based on inspection.

Cabin Air Filter Replacement Miles:

Every 15,000 miles or annually.

Spark Plug Replacement Miles:

Approximately 100,000 miles (iridium type).

Engine Oil Type Viscosity:

API Service SG, SH, SJ, or SL certified, SAE 5W-30.

Engine Oil Capacity Qt:

Approximately 5.2 quarts (4.9 liters) with filter change.

Coolant Capacity Qt:

Approximately 9.8 quarts (9.3 liters).

Brake Fluid Type:

DOT 3.

Known Issues:

Potential for minor oil leaks from valve cover gaskets or oil pan gasket, occasional ABS sensor issues, and transmission shifting concerns if maintenance is neglected. Rear main seal leaks can occur with age and mileage. Check for proper operation of the AWD system.

📚 Vehicle History

Brand Heritage:

Isuzu has a long history in truck and commercial vehicle manufacturing, known for durability and off-road capability. This heritage influenced the design and engineering of their SUVs.

Model Evolution:

The Axiom was introduced for the 2001 model year as a replacement for the Isuzu Trooper in the North American market. It was built on a more car-like unibody platform (shared with the Honda Pilot) for its first generation, but for 2004 it transitioned to a more rugged, body-on-frame platform, aligning with Isuzu's truck roots and distinct from the Honda partnership.

Production Location:

Japan (Lafayette, Indiana, USA plant also assembled some models, though the primary platform was Japanese).

Production Years:

2001-2004

🏆 Awards & Recognition

Recognitions:

While the Axiom itself did not receive major awards, its predecessor and related models often received praise for their durability and value. It was generally considered a competent and reliable SUV for its class.