🏷️ Basic Information Identification Make: GMC Model: Canyon Year: 2004 Codes Chassis Code: GMT355 👋 Introduction Market Position Segment: Compact Pickup Truck Competitive Analysis Competitors: Toyota Tacoma, Ford Ranger, Nissan Frontier, Chevrolet Colorado (sharing platform with Colorado). Key Features 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. 📋 Manual Details Coverage Areas Primary Coverage: North America Page Count Estimated Pages: Hundreds (Specific count not provided, but described as 'very detailed' with 'hundreds of pages') Manual Type Type: Factory Service Repair Workshop Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered 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. Procedures Included 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). Technical Depth 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. 📊 Manual Specifications File Format Compatibility: Windows and MAC compatible Print Quality Printability: Printable (single pages or entire manual) Binding Type Binding: N/A (Digital PDF format) Paper Type Paper Quality: N/A (Digital PDF format) Software Requirements Reader: PDF Reader (e.g., Adobe Acrobat Reader) Licensing Usage License: Lifetime usage, unlimited installations ⚙️ Engine Specifications Primary Engine 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 Performance Cylinder Configuration: Inline-4 and Inline-5 Fuel System Injection: Multi-Port Fuel Injection (MPFI) Engine Management ECM Type: GM Electronic Control Module (ECM) 🔧 Transmission Standard Transmission Option 1: 5-speed Manual Transmission (NV1500) Optional Transmission Option 2: 4-speed Automatic Transmission (4L60-E, with 3.5L engine) Features Drivetrain Options: Rear-Wheel Drive (RWD) and Four-Wheel Drive (4WD) with available locking rear differential. 📐 Dimensions Exterior 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) Cargo Bed Lengths: Available in approximately 6' (72.5 inches) and 7' (84.4 inches) bed lengths. Weights Curb Weight: Varies by configuration, typically starting around 3,600 lbs. Payload Capacity: Up to approximately 1,300 lbs (Varies by configuration). 🛡️ Safety Features Ratings NHTSA Front Crash: Not explicitly rated for 2004 model year in readily available data, but generally considered adequate for its class. Active Features ABS: Anti-lock Braking System (ABS) standard on rear wheels, available on four wheels depending on configuration. Passive Features Airbags: Driver and front passenger airbags. Seatbelts: Three-point safety belts for all seating positions. 💡 Technology Features Infotainment Audio System: Basic AM/FM stereo with CD player, optional premium audio system with multiple speakers. Driver Assistance Cruise Control: Standard on most trims. Connectivity OBD Port: Standard OBD-II diagnostic port for emissions and system diagnostics. 🔧 Maintenance Service Intervals 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). Fluid Specifications 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) Known Issues 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...
4-speed Automatic Transmission (4L60-E, with 3.5L engine)
Features
Drivetrain Options:
Rear-Wheel Drive (RWD) and Four-Wheel Drive (4WD) with available locking rear differential.
📐 Dimensions
Exterior
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)
Cargo
Bed Lengths:
Available in approximately 6' (72.5 inches) and 7' (84.4 inches) bed lengths.
Weights
Curb Weight:
Varies by configuration, typically starting around 3,600 lbs.
Payload Capacity:
Up to approximately 1,300 lbs (Varies by configuration).
🛡️ Safety Features
Ratings
NHTSA Front Crash:
Not explicitly rated for 2004 model year in readily available data, but generally considered adequate for its class.
Active Features
ABS:
Anti-lock Braking System (ABS) standard on rear wheels, available on four wheels depending on configuration.
Passive Features
Airbags:
Driver and front passenger airbags.
Seatbelts:
Three-point safety belts for all seating positions.
💡 Technology Features
Infotainment
Audio System:
Basic AM/FM stereo with CD player, optional premium audio system with multiple speakers.
Driver Assistance
Cruise Control:
Standard on most trims.
Connectivity
OBD Port:
Standard OBD-II diagnostic port for emissions and system diagnostics.
🔧 Maintenance
Service Intervals
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).
Fluid Specifications
Engine Oil:
SAE 5W-30 (synthetic recommended for optimal performance and protection).
DOT 3 or DOT 4 (check reservoir cap for specific recommendation)
Known Issues
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.
📚 Vehicle History
Brand Heritage
Gmc Legacy:
GMC has a long history of producing trucks, commercial vehicles, and SUVs, known for durability and utility.
Model Evolution
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.
Production
Manufacturing Location:
General Motors (GM) North America facilities (e.g., Shreveport, Louisiana; Wentzville, Missouri).