2010 GMC Sierra Service and Repair Manual

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Factory-Grade Data

2010 GMC Sierra 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
  • Denali Crew Cab Pickup 4-Door
  • SLT Standard Cab Pickup 2-Door

Engines covered

  • 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated
  • 6.2L 6162CC 376Cu. In. V8 FLEX OHV 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

2010 GMC Sierra Recalls & Complaints

NHTSA #10E04300003/09/2010Component: EQUIPMENT

MARATHON IS RECALLING CERTAIN SEAT COVERS, BRAND SUPERHIDES WITH PART NUMBERS 593, 594, 578, 960, 228, 228-09, 267-08, 333, 625, AND 630, SOLD FOR USE AS AFTERMARKET EQUIPMENT FOR VARIOUS PASSENGER VE

Consequence

AN IMPROPERLY DEPLOYED AIRBAG COULD RESULT IN SERIOUS INJURY.

Remedy

MARATHON WILL NOTIFY OWNERS OF RECORD AND REPLACE THE SEAT COVER FREE OF CHARGE. THE SAFETY RECALL

TSB #10114597

This Preliminary Information communication provides information to the technician of an engine power reduced message on the driver information center after performing the Canada Onstar 4G upgrade. If the concern is present park the vehicle

TSB #10114470

This Preliminary Information communication provides information to the technician about vehicle that may have an OnStar system that has progression tones when pressing the blue or red button. Technician will need to call General Motors Tech

TSB #10114408

This Preliminary Information communication provides information to the technician about vehicles that are travelling from Canada to the United States. While in the United States they are unable to receive Turn-by-Turn directions. Due to the

TSB #10114431

This Preliminary Information communication provides information to the technician about vehicles that may have an issue when using Bluetooth voice recognition with an iPhone. Technician should work with the customer to insure the phone cont

TSB #10114342

This Preliminary Information communication provides information to the technician about vehicle that may have an OnStar system that has progression tones when pressing the blue or red button. Technician will need to call General Motors Tech

TSB #10114352

This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed fo

TSB #10114354

This Preliminary Information communication provides information to the technician that some vehicles may have a Service Engine Soon lamp, engine misfire on cylinder 1, 4, 6, or 7 and/or tick noise. Technician will follow service information

TSB #10114343

This Preliminary Information communication provides information to the technician the steps needed to diagnose and repair the vehicles that may have unwanted or phantom phone calls. Technician will need to determine what type of call the cu

Showing the 8 most recent of 280 technical service bulletins on file with NHTSA.

20250422Component: AIR BAGSCrash reported3 injured

The contact owns a 2010 GMC Sierra. The contact stated that while driving at 15 MPH going into an intersection, another vehicle going at approximately 5 MPH, crossed in front of the contact. There wer

20150515Component: AIR BAGSCrash reported3 injured

DURING A CRASH AT HIGH SPEEDS AND FRONTAL IMPACT THE AIR BAGS DID NOT DEPLOY. I WAS LIFE FLIGHTED TO THE HOSPITAL AND SUFFERED LIFE ALTERING INJURIES. MY 2 KIDS WERE ALSO IN THE VEHICLE AND SUSTAINE

20140716Component: AIR BAGSCrash reported2 injured

TL* THE CONTACT OWNS A 2010 GMC SIERRA. THE CONTACT STATED WHILE DRIVING 65 MPH, THE DRIVER FELL ASLEEP AND CRASHED INTO A DITCH. THE AIR BAGS FAILED TO DEPLOY. A POLICE REPORT WAS FILED. THE CONTACT

20150319Component: ELECTRICAL SYSTEMFire reported

TL* THE CONTACT OWNED A 2010 GMC SIERRA. THE CONTACT STATED THAT SHORTLY AFTER PARKING, THE VEHICLE CAUGHT FIRE. A FIRE REPORT WAS FILED AND NO INJURIES WERE SUSTAINED. THE VEHICLE WAS DESTROYED AND T

20140323Component: ELECTRICAL SYSTEMFire reported

30 MINUTES AFTER MY WIFE PARKED OUR 2010 GMC SIERRA 1500 PICK-UP IN OUR DETACHED GARAGE, WE HEARD A BOOM AND I RAN OUTSIDE TO SEE THE GMC CAB AND HOOD ON FIRE. I IMMEDIATELY THOUGHT, MY GOD MY WIFE WA

Showing the 5 most serious of 43 complaints filed with NHTSA.

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