2007 Hummer H3 Service and Repair Manual

4.7 · Trusted by 14,000+ mechanics & DIYers
Regular price $29.99 USD
  • Lightning-Fast Downloads
    Optimized files — even slow connections handle it
  • Instant Search & Navigation
    Jump to any procedure or spec with one click
  • Print One or All Pages
    Bring only the pages you need to the shop
  • Covers Every System & Component
    Every procedure for the 2007 Hummer H3
Sample Preview

Unlock the Full Manual

Complete repair procedures
Wiring diagrams & schematics
Torque specifications
Full search & bookmarks
$29.99
Buy 2+ Manuals, Save 20% Discount applied automatically at checkout
20% OFF
Secure Checkout
No Subscriptions
Factory-Grade Data

2007 Hummer H3 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.

Built for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and use wiring diagrams and system sections to diagnose problems faster.

What’s included

  • Step-by-step repair procedures and service information
  • Specifications and reference data (where provided)
  • Electrical coverage with wiring diagrams
  • Coverage across key systems: engine, transmission, brakes, steering, suspension, HVAC, and more

Trims covered

  • X Sport Utility 4-Door
  • Base Sport Utility 4-Door
  • Luxury Sport Utility 4-Door
  • Adventure Sport Utility 4-Door

Engines covered

  • 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

Payment & Security

Payment methods

  • American Express
  • Apple Pay
  • Bancontact
  • Google Pay
  • Maestro
  • Mastercard
  • PayPal
  • Union Pay
  • Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

Vehicle Safety Data

2007 Hummer H3 Recalls & Complaints

NHTSA #10V17900030/04/2010Component: STRUCTURE:BODY:HOOD

GM IS RECALLING CERTAIN MODEL YEAR 2006 THROUGH 2010 HUMMER H3 VEHICLES. SOME OF THESE VEHICLES HAVE A CONDITION IN WHICH THE INTEGRAL CLIP-TABS ON THE LOUVER ON THE HOOD MAY FRACTURE, CAUSING THE HO

Consequence

IF THE VEHICLE IS BEING DRIVING WHEN THIS OCCURS, IT COULD STRIKE A FOLLOWING VEHICLE AND CAUSE INJU

Remedy

DEALERS WILL APPLY AN ADHESIVE TO THE HOOD LOUVER TO SECURE IT TO THE HOOD. THIS SERVICE WILL BE PE

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 #11017252

This service bulletin provides information for dealers/technicians on OnStar Module 2G Sunset Information.

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 822 technical service bulletins on file with NHTSA.

20070629Component: AIR BAGSCrash reportedFire reported5 injured

TL*THE CONTACT OWNS A 2007 HUMMER H3. WHILE DRIVING 40 MPH, THE CONTACT WAS INVOLVED IN A HEAD-ON CRASH WITH THE OWNER OF AN OLDSMOBILE MINIVAN. THE CONTACT'S PASSENGER SIDE AIR BAG FAILED TO DEPLOY

20101014Component: AIR BAGS:FRONTALCrash reported2 injured

I WAS IN AN ACCIDENT 3/22/2009, 2007 HUMMER H3, THE OTHER DRIVER LOST CONTROL AND HIS EXPLORER TRAVELED HORIZONTALLY ON FREEWAY 5, IN LOS ANGELES. I T BONED HIM I WAS TRAVELING 65 MPH AT TIME OF IMPAC

20190211Component: AIR BAGSCrash reported1 injured

TAKATA RECALL AIR BAGS DID NOT DEPLOY WHEN DRIVING 75MPH SPEED LIMIT ON RURAL HWY. IT WAS REAL DARK HARD TO SEE AND I COME UP ON THE CURVE PER EYEWITNESSES STATED I WAS GOING JUST FINE THEN ALL SUDDEN

20190211Component: STEERINGCrash reported1 injured

TAKATA RECALL AIR BAGS DID NOT DEPLOY WHEN DRIVING 75MPH SPEED LIMIT ON RURAL HWY. IT WAS REAL DARK HARD TO SEE AND I COME UP ON THE CURVE PER EYEWITNESSES STATED I WAS GOING JUST FINE THEN ALL SUDDEN

20190211Component: SUSPENSIONCrash reported1 injured

TAKATA RECALL AIR BAGS DID NOT DEPLOY WHEN DRIVING 75MPH SPEED LIMIT ON RURAL HWY. IT WAS REAL DARK HARD TO SEE AND I COME UP ON THE CURVE PER EYEWITNESSES STATED I WAS GOING JUST FINE THEN ALL SUDDEN

Showing the 5 most serious of 331 complaints filed with NHTSA.

All Model Years

Other Years of the Hummer H3

Need a manual for a different year? Browse every Hummer H3 we cover.

Explore More

More Hummer Models

Browse service and repair manuals for other Hummer models in our catalog.