🏷️ Basic Information

Make:

Isuzu

Model:

Axiom

Year Start:

2002

Year End:

2004

Chassis Code Platform:

GM GMT360 platform (shared with Chevrolet TrailBlazer, GMC Envoy, Oldsmobile Bravada, Buick Rainier, Saab 9-7X)

👋 Introduction

Segment:

Mid-size SUV / Sport Utility Truck

Usp:

Positioned as a capable and comfortable SUV with a focus on utility and reliability, often appealing to buyers seeking a more truck-like feel in an SUV package.

Competitors:

Competed against vehicles like the Ford Explorer, Chevrolet TrailBlazer/GMC Envoy twins, Jeep Grand Cherokee, and Toyota 4Runner during its production run.

Body Style:

5-door SUV, available in 2WD and 4WD configurations.

Chassis Construction:

Body-on-frame construction, providing robustness and towing capability characteristic of its platform-mates.

Powertrain Availability:

Primarily offered with a V6 engine and automatic transmission, emphasizing smooth power delivery and towing capacity.

📋 Manual Details

Systems:

Engine, Fuel System, Cooling System, Exhaust System, Clutch, Manual Transmission, Automatic Transmission, Transfer Case (if applicable), Drive Axles, Suspension (Front and Rear), Steering System, Brakes (Front and Rear), ABS/TCS/ESC, Body Electrical, Lighting, HVAC, Power Windows/Locks, SRS Airbag System, Chassis, Frame, Body Panels, Interior Trim, Diagnostic Procedures, Wiring Diagrams, Specifications, Torque Values, Maintenance Schedule, Troubleshooting

Estimated Pages:

1000+

Type:

Factory Service Manual / Workshop Manual

Language:

English

Format:

PDF (Digital Download)

📖 Manual Coverage

Powertrain:

Detailed coverage of the 3.5L (LZ4) V6 engine, including removal/installation, internal component repair, fuel injection, ignition system, lubrication, and cooling. Covers both 4-speed automatic transmission (4L60-E) and potential manual transmission variants if equipped.

Drivetrain Suspension Steering:

Comprehensive details on front independent suspension, rear solid axle, 4WD system (if equipped) including transfer case operation and maintenance, steering rack and pump, and brake system components (discs, calipers, ABS module).

Electrical Body:

Extensive coverage of body electrical systems, including starter, alternator, battery, lighting circuits, power accessories (windows, locks, mirrors), instrument cluster, HVAC controls, and SRS airbag system diagnostics. Includes detailed wiring diagrams.

Maintenance:

Regular maintenance tasks such as oil changes, filter replacements, spark plug servicing, fluid level checks and changes (coolant, brake fluid, transmission fluid, power steering fluid), belt inspections and replacement, and tire rotation.

Diagnostics Troubleshooting:

Step-by-step diagnostic procedures for common and complex issues, including symptom-based troubleshooting guides, diagnostic trouble codes (DTCs) with explanations and corrective actions, and wiring harness testing.

Repair Rebuild:

Detailed instructions for major repairs and component overhauls, including engine rebuilding, transmission servicing, suspension component replacement (ball joints, control arms, shocks/struts), brake caliper and rotor replacement, and power steering system repair.

Depth:

Factory-level technical depth, providing complete repair and diagnostic information for all major vehicle systems. Suitable for professional technicians and advanced DIY mechanics. Includes precise torque specifications, alignment procedures, and special tool requirements.

📊 Manual Specifications

Quality:

High-resolution PDF, ensuring clarity of diagrams and text. Searchable functionality allows for quick access to specific information.

Printability:

Printable pages, allowing users to create physical copies for use in a workshop environment.

Binding:

N/A (Digital Download)

Paper Type:

N/A (Digital Download)

⚙️ Engine Specifications

Engine Code Displacement:

3.5L (3467cc) V6 (Isuzu RZ4E-TC / GM LZ4)

Engine Layout:

SOHC V6

Horsepower:

Approx. 200-205 hp @ 5600 rpm

Torque:

Approx. 225-230 lb-ft @ 3800 rpm

Induction Type:

Sequential Multi-Port Fuel Injection (MPI)

Fuel Type:

Unleaded Gasoline (87 octane recommended)

Spark Plugs:

Irridium tip recommended, gap 0.040-0.044 inches. Refer to manual for specific part numbers (e.g., ACDelco 41-985 or equivalent).

Engine Oil Capacity:

Approx. 5 quarts (4.7 liters) with filter. Specific grade: SAE 5W-30 synthetic blend or full synthetic recommended.

🔧 Transmission

Type:

4-speed Automatic Transmission (GM 4L60-E)

Type:

N/A (Automatic was standard for most trims)

Drivetrain Options:

Available in Rear-Wheel Drive (RWD) and All-Wheel Drive (4WD) configurations.

Automatic Transmission Fluid Type:

Dexron-III (or compatible Dexron-VI). Capacity approx. 7-9 quarts for fluid change with filter. Full rebuild capacity higher.

📐 Dimensions

Length:

Approx. 192.4 inches (4887 mm)

Width:

Approx. 74.8 inches (1899 mm)

Height:

Approx. 70.1 inches (1780 mm)

Wheelbase:

Approx. 111.4 inches (2830 mm)

Curb Weight:

Approx. 4400-4700 lbs (2000-2130 kg) depending on configuration

Towing Capacity:

Up to 5000 lbs (2268 kg) when properly equipped with towing package.

Seating Capacity:

5 passengers

Cargo Volume Behind Second Row:

Approx. 41.7 cubic feet (1181 liters)

Cargo Volume With Second Row Folded:

Approx. 79.0 cubic feet (2237 liters)

🛡️ Safety Features

NHTSA Frontal Driver:

5-star rating (for certain configurations and model years)

NHTSA Frontal Passenger:

5-star rating (for certain configurations and model years)

IIHS Front Crash Rating:

'Good' (for acceptable or good performance depending on specific test year)

ABS:

Standard Anti-lock Braking System (ABS)

Traction Control:

Available Traction Control System (TCS)

Airbags:

Frontal airbags for driver and front passenger, available side-impact airbags.

Rollover Protection:

Designed with considerations for SUV rollover mitigation, though specific stability control systems might vary by trim/year.

💡 Technology Features

Audio System:

Factory-installed AM/FM stereo with CD player, and optional premium sound systems. May include steering wheel audio controls on higher trims.

Cruise Control:

Standard cruise control functionality. Coverage for system maintenance and repair.

Wiring Diagrams:

Comprehensive wiring diagrams for all electrical systems, crucial for diagnosing electronic faults and aftermarket installations.

🔧 Maintenance

Oil Change Interval:

Every 7,500 miles (12,000 km) or 6 months, whichever comes first, under normal driving conditions. Severe driving may require shorter intervals.

Air Filter Replacement:

Inspect every 15,000 miles (24,000 km), replace as needed. Replacement recommended every 30,000 miles (48,000 km).

Transmission Fluid Service:

Inspect every 15,000 miles (24,000 km). Fluid and filter change recommended every 50,000-60,000 miles (80,000-96,000 km) or more frequently under heavy use.

Coolant Flush:

Initial flush at 100,000 miles (160,000 km), then every 50,000 miles (80,000 km) thereafter, using appropriate coolant type.

Brake Fluid:

DOT 3 (or DOT 4 if specified by manufacturer update). Check manual for exact specification.

Power Steering Fluid:

Dexron-III compatible fluid.

Transfer Case Fluid (4Wd):

GM Auto-Trak II Transfer Case Fluid or equivalent.

Headliner Sag:

Common issue in many GMT360 vehicles where the headliner adhesive fails, causing it to sag. Manual may offer guidance on removal and re-adhesion.

ABS Wheel Speed Sensor:

Failure of ABS wheel speed sensors can trigger ABS and Traction Control warning lights. Manual provides diagnostic steps.

Heater Control Valve:

The heater control valve can fail, leading to improper HVAC temperature regulation. Manual covers diagnosis and replacement.

Exhaust Manifold Leaks:

Cracked exhaust manifolds can cause ticking noises, particularly when cold. Manual provides replacement procedures.

📚 Vehicle History

Manufacturer:

Isuzu Motors, Ltd. - Japanese automotive manufacturer with a strong heritage in commercial vehicles, trucks, and SUVs. Known for robust and reliable powertrains.

Introduction:

The Isuzu Axiom was introduced for the 2002 model year as a replacement for the Isuzu Trooper in North America. It was based on the GM GMT360 platform.

Platform Sharing:

Shared its platform and many mechanical components with other General Motors SUVs, including the Chevrolet TrailBlazer, GMC Envoy, Oldsmobile Bravada, Buick Rainier, and Saab 9-7X, allowing for shared development and manufacturing efficiencies.

Production Years:

2002-2004

Manufacturing Location:

Produced at GM's Moraine, Ohio, USA assembly plant.

🏆 Awards & Recognition

Safety Awards:

While specific awards for the Axiom are less prominent than some competitors, its platform-mates often received good safety ratings from IIHS and NHTSA, indicating a generally well-engineered safety structure.

Consumer Reports:

Consumer Reports ratings for the Axiom during its production years varied, with some areas showing average reliability, and others, like powertrain, being generally well-regarded. The manual helps address potential reliability concerns through proper maintenance.