Segment:
Compact Pickup Truck
Competitors:
Toyota Tacoma, Ford Ranger, Nissan Frontier, Chevrolet Colorado (sharing platform with Colorado).
Platform:
GMT355 platform, shared with the Chevrolet Colorado, designed as a body-on-frame truck.
Target Audience:
Light-duty commercial use, personal transportation, and recreational activities.
Engine:
Complete engine mechanical, lubrication, cooling, fuel, ignition, exhaust, and emissions systems.
Transmission:
Manual and automatic transmission service, repair, and troubleshooting.
Drivetrain:
Driveshaft, axles, differential service, and repair.
Suspension:
Front and rear suspension component inspection, service, and replacement; alignment procedures.
Steering:
Power steering system service, repair, and troubleshooting.
Brakes:
Hydraulic brake system service, ABS, rotor and pad replacement, caliper service.
Electrical:
Complete electrical system diagnostics, wiring diagrams, lighting, battery, charging system, starter, and accessory circuits.
HVAC:
Heating, ventilation, and air conditioning system service and repair.
Body:
Exterior and interior body panel repair, doors, glass, locks, and trim service.
Chassis:
Frame and chassis component service and repair.
Maintenance:
Routine maintenance tasks, fluid changes, filter replacements, inspections, lubrication.
Troubleshooting:
Systematic diagnostic procedures for common and uncommon faults, including symptom-based troubleshooting.
Repair:
Step-by-step instructions for component removal, disassembly, repair, reassembly, and installation.
Diagnostics:
Fault code interpretation, diagnostic tool usage (generic OBD-II and manufacturer-specific).
Depth:
Comprehensive; covers basic maintenance to advanced engine and transmission rebuilds, electrical diagnostics, and bodywork.
Diagrams Illustrations:
Hundreds of detailed photos and exploded diagrams to guide repair procedures.
Compatibility:
Windows and MAC compatible
Printability:
Printable (single pages or entire manual)
Binding:
N/A (Digital PDF format)
Paper Quality:
N/A (Digital PDF format)
Reader:
PDF Reader (e.g., Adobe Acrobat Reader)
Usage License:
Lifetime usage, unlimited installations
Engine Option 1:
2.8L (2770cc) Vortec 2800 L4 (RPO LK5)
Engine Option 1 Specs:
Approx. 175 hp @ 5600 rpm, 185 lb-ft @ 4000 rpm
Engine Option 2:
3.5L (3499cc) Vortec 3500 L5 (RPO LL8) - 'Atlas' Inline-5
Engine Option 2 Specs:
Approx. 201 hp @ 5600 rpm, 220 lb-ft @ 4000 rpm
Cylinder Configuration:
Inline-4 and Inline-5
Injection:
Multi-Port Fuel Injection (MPFI)
ECM Type:
GM Electronic Control Module (ECM)
Wheelbase:
Approx. 111.2 inches (Standard Cab/Extended Cab)
Overall Length:
Varies by cab and bed configuration (e.g., approx. 191.7 inches for regular cab, long bed)
Bed Lengths:
Available in approximately 6' (72.5 inches) and 7' (84.4 inches) bed lengths.
Curb Weight:
Varies by configuration, typically starting around 3,600 lbs.
Payload Capacity:
Up to approximately 1,300 lbs (Varies by configuration).
NHTSA Front Crash:
Not explicitly rated for 2004 model year in readily available data, but generally considered adequate for its class.
ABS:
Anti-lock Braking System (ABS) standard on rear wheels, available on four wheels depending on configuration.
Airbags:
Driver and front passenger airbags.
Seatbelts:
Three-point safety belts for all seating positions.
Oil Change:
Typically every 3,000 to 7,500 miles or 6 months, depending on oil type (conventional vs. synthetic) and driving conditions, as per manual recommendations.
Engine Coolant Flush:
Initial flush at 100,000 miles, then every 50,000 miles thereafter (using Dex-Cool or equivalent).
Transmission Fluid Change Auto:
Typically every 30,000 to 100,000 miles depending on usage, check manual for specific intervals and fluid type (e.g., Dexron VI).
Spark Plugs:
30,000 miles for conventional, 100,000 miles for iridium or platinum plugs (check specific engine type).
Engine Oil:
SAE 5W-30 (synthetic recommended for optimal performance and protection).
Coolant:
GM P/N 12378396 (or equivalent) - Dex-Cool (Orange) Long-Life Coolant.
Transmission Fluid Manual:
GM P/N 88861774 (or equivalent) - Manual Transmission Fluid, API GL-4
Transmission Fluid Automatic:
GM P/N 88861775 (or equivalent) - Dexron VI Automatic Transmission Fluid
Brake Fluid:
DOT 3 or DOT 4 (check reservoir cap for specific recommendation)
Common Complaints Early Models:
Potential for exhaust manifold leaks on V8 engines (less common on 4/5-cyl), minor interior trim rattles, some transmission shifting complaints.
Fuel System Potential:
Fuel pump module issues on some vehicles.
Gmc Legacy:
GMC has a long history of producing trucks, commercial vehicles, and SUVs, known for durability and utility.
Generation 1:
First generation (2004-2012), introduced as a replacement for the Sonoma pickup. Based on the GMT355 platform, which was developed in conjunction with Isuzu.
Manufacturing Location:
General Motors (GM) North America facilities (e.g., Shreveport, Louisiana; Wentzville, Missouri).
