🏷️ Basic Information

Make:

Isuzu

Model:

I-350 Pickup Truck

Year:

2005

Generation Designation:

First Generation (GMT355 platform, shared with Chevrolet Colorado and GMC Canyon)

Platform Code:

GMT355

👋 Introduction

Segment:

Compact/Mid-size Pickup Truck

Target Audience:

Owners seeking to perform DIY maintenance and repairs, independent repair shops, enthusiasts.

Competitors 2005:

Ford Ranger, Toyota Tacoma, Nissan Frontier, Chevrolet Colorado, GMC Canyon, Mazda B-Series.

Value Proposition:

Enables significant cost savings on maintenance and repairs by empowering owners with factory-level repair information and procedures.

Instruction Style:

Easy-to-follow, step-by-step instructions with accompanying diagrams and illustrations.

Device Compatibility:

Compatible with all PCs and Macs, tablets, and smartphones.

📋 Manual Details

Geographical Coverage:

North America (primarily, as it's a rebadged GM truck)

Model Variants Covered:

All I-350 Pickup Truck models, engines, trim levels, and transmission types for 2005

Estimated Page Count:

Difficult to determine exact count without the manual; however, typical comprehensive workshop manuals of this era exceed 1000 pages.

Type:

Complete Workshop Service Repair Manual

Language:

English

Format:

Downloadable Digital File (PDF)

📖 Manual Coverage

Powertrain:

Engine mechanical, fuel system, ignition system, exhaust system, engine management, cooling system, lubrication system, transmission (automatic and manual), drivetrain (front/rear axles, driveshafts, differentials).

Chassis:

Suspension (front and rear), steering system, braking system (ABS, components), wheels and tires, frame and body structure.

Electrical:

Battery, charging system, starting system, lighting system, instrument cluster, HVAC controls, power windows/locks, audio system, wiring diagrams for all vehicle systems, onboard diagnostics (OBD-II).

Body And Interior:

Body panels, doors, hood, tailgate, bumpers, interior trim, seats, airbags, climate control system.

Maintenance:

Scheduled maintenance, fluid changes (oil, coolant, brake fluid, transmission fluid), filter replacements, lubrication, inspections.

Diagnostics And Troubleshooting:

Step-by-step diagnostic procedures for common and uncommon issues, fault code interpretation, troubleshooting flowcharts.

Repair And Rebuild:

Detailed instructions for component removal, disassembly, inspection, repair, reassembly, and installation for all major systems.

Specifications And Tolerances:

Torque specifications, clearances, fluid capacities, resistance values, diagnostic parameters, and critical component tolerances.

Electrical Diagnostics:

Includes detailed wiring diagrams, component testing procedures, and troubleshooting guides for all electrical systems.

Wheel Alignment:

Specifications and procedures for front and rear wheel alignment.

Body Repair:

Information on body panel removal/installation, frame straightening (if applicable), and collision repair guidelines.

Depth:

Comprehensive, covering everything from basic fluid checks and filter changes to complex engine and transmission rebuilds, electrical system diagnostics, and structural repairs.

Engine Rebuild:

Detailed procedures for engine disassembly, inspection of internal components (pistons, rings, bearings, valves, camshaft), machining specifications, and reassembly.

Transmission Rebuild:

Comprehensive steps for overhauling both automatic and manual transmissions, including torque converter, clutch pack, gearset, and valve body repair.

📊 Manual Specifications

Format:

PDF

Readability Software:

Adobe Acrobat Reader (or compatible PDF viewer)

Printability:

Printable (user can print entire manual, specific chapters, or individual pages)

Binding Type Digital:

N/A (Digital download)

Paper Type Digital:

N/A (Digital download)

Text Search:

Searchable text content (if generated from OCR or native PDF text)

⚙️ Engine Specifications

Engine Type:

Inline-4 Cylinder, DOHC

Engine Code:

2.8L Vortec 2800 (GM L61)

Displacement:

2770 cc (169 cubic inches)

Bore X Stroke:

3.62 in x 3.19 in (92 mm x 81 mm)

Horsepower Rated:

175 hp @ 5600 rpm

Torque Rated:

185 lb-ft @ 4400 rpm

Fuel Delivery:

Multi-port Fuel Injection (MPI)

Fuel Type:

Unleaded gasoline

Ignition System:

Distributorless Ignition System (DIS) with Coil-on-Plug (COP) or similar electronic ignition.

Emissions Control:

Catalytic converter, oxygen sensors, EGR system (if applicable).

🔧 Transmission

Transmission Type:

5-speed Manual Transmission

Transmission Type:

4-speed Automatic Transmission

Drivetrain Options:

Rear-Wheel Drive (RWD) and Four-Wheel Drive (4WD) configurations available.

Automatic Transmission Fluid:

Dexron III/VI (check manual for precise specification)

Manual Transmission Fluid:

API GL-4 SAE 75W-90 Gear Oil (check manual for precise specification)

📐 Dimensions

Wheelbase:

Varies by configuration (e.g., 111.9 inches for standard cab, 125.9 inches for crew cab).

Overall Length:

Varies by configuration (e.g., approx. 192 inches for standard bed).

Exterior Width:

Approx. 70.7 inches (excluding mirrors).

Exterior Height:

Approx. 68.5 inches (varies with trim/4WD).

Bed Length Options:

Short Bed (approx. 61 inches), Long Bed (approx. 73 inches) - specific to cab/configuration.

Curb Weight:

Varies significantly by configuration, typically starting around 3,700 - 4,000 lbs for 2WD models.

🛡️ Safety Features

NHTSA Frontal Crash Test:

Typically achieved 4-star ratings for driver and passenger in frontal impact (based on GM platform data for this era).

IIHS Ratings:

Good in frontal offset tests (based on GM platform data for this era).

ABS:

Standard Anti-lock Braking System (ABS).

Traction Control:

May be available as an option on higher trims or 4WD models.

Airbags:

Driver and front passenger airbags.

Seatbelts:

Three-point seat belts for all occupants.

💡 Technology Features

Audio System:

AM/FM stereo with CD player, optional MP3 capability, and available premium sound system with subwoofer.

Display:

Basic dashboard display for radio, clock, and vehicle status indicators.

Cruise Control:

Available on most trim levels.

OBD Ii Port:

Standard OBD-II diagnostic port for emissions and system diagnostics.

Power Features:

Power windows, power door locks, available power mirrors.

🔧 Maintenance

Engine Oil Change:

Every 7,500 miles or 6 months, whichever comes first (synthetic or synthetic blend recommended).

Engine Air Filter:

Inspect every 15,000 miles, replace as needed or every 30,000 miles.

Cabin Air Filter:

Replace every 15,000 - 30,000 miles, depending on driving conditions.

Coolant Flush:

First change at 5 years/100,000 miles, then every 2-3 years/30,000-50,000 miles thereafter (Dex-Cool or equivalent).

Engine Oil Type:

SAE 5W-30 (synthetic blend or full synthetic recommended for most conditions).

Coolant Type:

GM P/N 12346290 (Orange) or Dex-Cool compatible Long Life Antifreeze/Coolant.

Brake Fluid Type:

DOT 3

Common Wear Items:

Suspension components (ball joints, control arm bushings), exhaust system corrosion, brake wear, ignition coils (on some models).

Engine Reliability:

The 2.8L inline-4 is generally considered a robust engine for its class, but proper maintenance is key. Issues can include minor oil leaks or sensor failures.

Transmission Issues:

Automatic transmissions can occasionally exhibit issues related to valve bodies or solenoids if fluid maintenance is neglected.

📚 Vehicle History

Isuzu Truck Legacy:

Isuzu has a long history of producing reliable commercial and light-duty trucks globally.

Relationship To Gm:

The Isuzu I-350 was a rebadged version of the Chevrolet Colorado/GMC Canyon, part of GM's global compact truck strategy. Isuzu was a minority partner in GM's truck manufacturing operations.

Introduction Year:

The I-350 was introduced for the 2006 model year in North America, with this manual specifically for the 2005 model as indicated (likely a pre-production or early release designation).

Manufacturing Location:

North America (Shreveport, Louisiana, USA - same plant as Colorado/Canyon).

🏆 Awards & Recognition

IIHS Top Safety Pick:

While the I-350 itself may not have specific awards, its GM platform counterparts (Colorado/Canyon) generally received good to excellent safety ratings from IIHS and NHTSA for their class during this period.