2008 GMC Canyon Service and Repair Manual

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Factory-Grade Data

2008 GMC Canyon service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.

Designed for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and reference wiring diagrams and system sections quickly while you work.

What’s included

  • Step-by-step repair procedures and service information
  • Specifications and reference data (where provided)
  • Wiring diagrams and electrical sections
  • Powertrain, brakes, steering, suspension, HVAC and more

Trims covered

  • SLT Crew Cab Pickup 4-Door
  • SL Extended Cab Pickup 4-Door
  • WT Extended Cab Pickup 4-Door
  • SLE Crew Cab Pickup 4-Door
  • Base Crew Cab Pickup 4-Door
  • SLT Extended Cab Pickup 4-Door
  • SLE Extended Cab Pickup 4-Door
  • SL Standard Cab Pickup 2-Door
  • WT Standard Cab Pickup 2-Door
  • SLE Standard Cab Pickup 2-Door

Engines covered

  • 2.9L 2921CC 178Cu. In. l4 GAS DOHC Naturally Aspirated
  • 3.7L 3654CC 223Cu. In. l5 GAS DOHC Naturally Aspirated

Index / Table of contents

  • Body
  • Brakes
  • Chassis Electrical
  • Driveline
  • Engine Cooling
  • Engine Electrical
  • Engine Mechanical
  • Engine Performance & Emission Controls
  • Fuel System
  • General Information & Identification
  • Heating, Ventilation, & Air Conditioning
  • Hybrid & Electric Vehicle Systems
  • Steering
  • Suspension
  • Transmission, Clutch, & Transfer Case
  • Wiring Diagrams

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Vehicle Safety Data

2008 GMC Canyon Recalls & Complaints

NHTSA #09V31000029/07/2009Component: EXTERIOR LIGHTING:BRAKE LIGHTS:SWITCH

GM IS RECALLING 185,903 MODEL YEAR 2004-2009 COLORADO, GMC MODEL YEAR 2009-2004 CANYON, MODEL YEAR 2006 I-280, I-350, MODEL YEAR 2007-2008 I-290, AND I-370, PASSENGER VEHICLES ORIGINALLY SOLD IN OR CU

Consequence

THIS CONDITION COULD CAUSE THE SIMULTANEOUS LOSS OF ALL BRAKE LAMPS OR CAUSE ALL OF THE BRAKE LAMPS

Remedy

DEALERS WILL INSPECT AND REPLACE THE NECESSARY COMPONENTS AS SPECIFIED IN THE RECALL BULLETIN FREE O

NHTSA #10V57500018/11/2010Component: CHILD SEAT

GM IS RECALLING CERTAIN MODEL YEAR 2004-2011, CHEVROLET COLORADO, GMC CANYON, MODEL YEAR 2006, ISUZU I-280/I-350, AND MODEL YEAR 2007-2008, I-290/I-370, REGULAR CAB VEHICLES AND EXTENDED CAB VEHICLES

Consequence

BOTH NHTSA AND GM DISCOURAGE PLACEMENT OF A CHILD IN A FRONT SEAT. NEVERTHELESS, THERE ARE INDIVID

Remedy

DEALERS WILL CUT A HOLE INTO THE BACK PANEL TRIM COVER TO ALLOW ACCESS TO THE TOP TETHER ANCHOR FOR

TSB #11023091

New Vehicle Monitoring Programs Section in IVH

TSB #11021792

This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble

TSB #11020816

This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.

TSB #11019074

This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini 50 terminal test probe, replacement terminals, and terminated leads.

TSB #11019073

This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini 50 terminal test probe, replacement terminals, and terminated leads.

TSB #11019072

This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini 50 terminal test probe, replacement terminals, and terminated leads.

TSB #11014455

This Preliminary Information communication provides information to the technician about vehicles that have an unusual noise and is difficult to identify, isolate or pinpoint. Technician should get record a sound clip or take a video of the

TSB #11011782

This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. The J-35616-64B is the latest test probe released for checking

Showing the 8 most recent of 954 technical service bulletins on file with NHTSA.

20151105Component: VEHICLE SPEED CONTROLCrash reported

TL* THE CONTACT OWNS A 2008 GMC CANYON. WHILE ATTEMPTING TO PARK THE VEHICLE, IT GENTLY TOUCHED THE MEDIAN AND INDEPENDENTLY ACCELERATED. THE VEHICLE FAILED TO STOP UNTIL IT CRASHED INTO THE SIDE OF A

20151105Component: AIR BAGSCrash reported

TL* THE CONTACT OWNS A 2008 GMC CANYON. WHILE ATTEMPTING TO PARK THE VEHICLE, IT GENTLY TOUCHED THE MEDIAN AND INDEPENDENTLY ACCELERATED. THE VEHICLE FAILED TO STOP UNTIL IT CRASHED INTO THE SIDE OF A

20171120Component: ELECTRICAL SYSTEMFire reported

TL* THE CONTACT OWNS A 2008 GMC CANYON. WHILE DRIVING APPROXIMATELY 70 MPH, THE CONTACT NOTICED A BURNING ODOR. THE AIR CONDITIONER WAS ON SPEED 2 AS SMOKE AND PLASTIC PARTICLES EMITTED INTO THE INTER

20230811Component: POWER TRAIN:DRIVELINE:DRIVESHAFT

Carrier Bearing ( Hanger Bearing) broken off mounts. Bearing is mounted via spot welds. The spot weld were not done properly. Was driving at about 30 MPH slowing down when the bearing broke loose fr

20210111Component: SERVICE BRAKES

BEEN HAVING AN ISSUE WITH THE BRAKE LIGHT SWITCH AT THE BRAKE PEDAL STICKING AND OUR BRAKE LIGHTS STAYING ON. WE NOTICE IT MOSTLY AFTER WE HAVE PARKED THE TRUCK AND TURN IT OFF. THE BRAKE LIGHTS WILL

Showing the 5 most serious of 65 complaints filed with NHTSA.

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