🏷️ Basic Information

Make:

GMC

Model:

Canyon

Year:

2008

Generation Name:

GMT355 (First Generation)

Platform Code:

GMT355

👋 Introduction

Segment:

Compact Pickup Truck

Key Competitors:

Chevrolet Colorado, Toyota Tacoma, Ford Ranger, Nissan Frontier.

Vehicle Attributes:

Body-on-frame construction, available 2WD and 4WD, diverse engine and cab configurations, known for ruggedness and utility.

Benefit To Owner:

Empowers owners to perform their own maintenance and repairs, saving significant money on labor costs and enabling quicker issue resolution.

📋 Manual Details

Coverage Summary:

All models, engines, trim levels, and transmission types for the 2008 GMC Canyon.

Estimated Pages:

Extensive (Covers A-Z repair procedures)

Type:

Complete Workshop Service Repair Manual

Language:

English

Format:

Downloadable Digital Format (PDF)

📖 Manual Coverage

Engine:

Complete engine repair, diagnostics, overhaul, cooling system, fuel system, ignition system, lubrication system, emission control systems, engine mechanical, engine electrical.

Transmission:

Manual transmission (M22, M72, NV1500, NV3500, NV3550), Automatic transmission (4L60-E, 4L61-E, 4L70-E) service, repair, diagnostics, torque converter, valve body, internal components, fluid changes, cooler lines.

Drivetrain:

Front axle, rear axle, drive shafts, universal joints, CV joints, differentials (G80 locking differential), transfer case (NV136, NV236) service and repair.

Brakes:

Hydraulic system, ABS, brake pads, rotors, calipers, master cylinder, wheel cylinders, brake lines, parking brake, bleeding procedures.

Suspension:

Front suspension (independent, torsion bar, control arms, ball joints, tie rods, steering knuckles), Rear suspension (leaf springs, shackles, shocks), wheel alignment specifications, steering system (power steering pump, rack and pinion, steering column).

Electrical:

Battery, charging system (alternator), starting system (starter motor), lighting system (headlights, taillights, interior lights), fuses, relays, wiring diagrams, power windows, power locks, mirrors, horn, wipers, sensors.

Body And Chassis:

Frame, body panels, doors, hood, tailgate, bumpers, interior trim, seats, HVAC system, cooling and heating, A/C compressor, refrigerant, chassis lubrication.

Restraints:

Airbag system, seat belts, SRS module, diagnostic procedures for airbag system.

Emissions:

On-Board Diagnostics (OBD-II), catalytic converter, oxygen sensors, EGR system, evaporative emission control (EVAP).

Maintenance:

Oil and filter changes, fluid level checks and top-offs, tire rotation and pressure checks, air filter replacement, spark plug replacement, belt inspection and replacement, brake inspection, battery service.

Diagnostics:

Troubleshooting guides for common symptoms, DTC (Diagnostic Trouble Code) definitions and procedures, electrical system diagnostics, engine performance diagnostics, transmission diagnostics, ABS diagnostics.

Repair:

Step-by-step repair instructions for all major vehicle systems, including engine rebuilding, transmission overhaul, brake caliper replacement, suspension component replacement, exhaust system repair, body panel repair, electrical component replacement.

Troubleshooting:

Detailed troubleshooting trees and symptom-based diagnostic procedures for a wide range of vehicle issues.

Depth:

Comprehensive, from basic scheduled maintenance to complete engine and transmission rebuilds, including detailed electrical schematics and diagnostic flowcharts.

📊 Manual Specifications

File Type:

PDF (Portable Document Format)

Quality:

High-resolution scans, clear text and images, printable.

Binding:

Not Applicable (Digital Download)

Paper:

Not Applicable (Digital Download)

Reader Software:

Adobe Reader (free download)

Compatible Devices:

All PC & MAC Computers, tablets, smartphones.

⚙️ Engine Specifications

Engine Options:

2.9L LLV I4, 3.7L LLR I5

2.9L Llv Horsepower:

185 hp @ 5600 rpm

2.9L Llv Torque:

190 lb-ft @ 2800 rpm

3.7L Llr Horsepower:

242 hp @ 5600 rpm

3.7L Llr Torque:

242 lb-ft @ 4600 rpm

Fuel Delivery:

Sequential Fuel Injection (SFI)

Bore Stroke 2.9L:

95.5 mm x 102 mm

Bore Stroke 3.7L:

95.5 mm x 98 mm

Cooling System Type:

Pressurized, liquid-cooled

🔧 Transmission

Transmission Options:

5-speed manual (NV1500, NV3500), 4-speed automatic (4L60-E, 4L61-E, 4L70-E).

Transfer Case Options:

Part-time 4WD (NV136, NV236) with electronic shift.

Automatic Transmission Features:

Electronic control, tow/haul mode.

Automatic Transmission Fluid:

Dexron VI (GM P/N 88861950 or equivalent)

Manual Transmission Fluid:

Dexron III (GM P/N 12377000 or equivalent for NV3500/NV3550)

📐 Dimensions

Wheelbase Options:

111.9 inches (Regular Cab), 126.1 inches (Extended Cab)

Bed Length Options:

72.5 inches (short bed), 86.4 inches (long bed)

Curb Weight Range:

Approx. 3,700 - 4,500 lbs

Towing Capacity Max:

Up to 5,700 lbs (with specific configurations)

🛡️ Safety Features

NHTSA Rollover Resistance:

3 out of 5 stars (for 2WD models)

ABS:

Standard Anti-lock Braking System (ABS)

Traction Control:

Available Traction Control System (TCS)

Airbags:

Standard front airbags, available side-impact airbags.

Seatbelts:

3-point seat belts with pretensioners for front occupants.

💡 Technology Features

Audio System:

AM/FM stereo with CD player, available MP3 playback, auxiliary input.

Parking Assist:

Available rear parking assist sensors.

Onstar:

Available OnStar communications system.

Cruise Control:

Standard or available cruise control.

🔧 Maintenance

Oil Change Interval:

Every 3,000-7,500 miles or 6 months, depending on oil type and driving conditions (consult manual for specifics).

Transmission Fluid Change Auto:

Every 45,000-100,000 miles or 4-7 years, depending on driving conditions (consult manual).

Spark Plug Replacement 2.9L:

Approx. 100,000 miles (Iridium type)

Spark Plug Replacement 3.7L:

Approx. 100,000 miles (Iridium type)

Engine Oil Type:

SAE 5W-30 (API Certified, GM approved)

Engine Oil Capacity 2.9L:

5.0 US quarts (4.7 L) with filter

Engine Oil Capacity 3.7L:

5.0 US quarts (4.7 L) with filter

Coolant Type:

Dex-Cool (GM P/N 12346290 or equivalent) - Orange colored coolant

Coolant Capacity:

Approx. 10.5 - 11.5 US quarts (9.9 - 10.9 L)

Common Problems:

Rear axle seal leaks, exhaust manifold cracks (especially 3.7L I5), front suspension component wear, evaporative emission system (EVAP) codes, occasional transmission solenoid issues.

📚 Vehicle History

Gmc Legacy:

GMC (General Motors Truck Company) has a long history of producing commercial and professional-grade vehicles, emphasizing durability and capability.

Canyon Debut:

The GMC Canyon debuted in 2004 as a replacement for the GMC Sonoma and shares its platform with the Chevrolet Colorado.

Manufacturing Location:

Shreveport, Louisiana, USA (for North American models).

🏆 Awards & Recognition

Awards Received:

While specific awards for the 2008 model year are limited, the GMC Canyon/Chevy Colorado platform has generally been recognized for its value and capability in the compact truck segment.