2006 Hummer H2 Service and Repair Manual

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Factory-Grade Data

2006 Hummer H2 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

  • Adventure Crew Cab Pickup 4-Door
  • Base Crew Cab Pickup 4-Door
  • Base Sport Utility 4-Door
  • Luxury Sport Utility 4-Door

Engines covered

  • 6.0L 5967CC 364Cu. In. V8 GAS 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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Payment methods

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  • Bancontact
  • Google Pay
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  • Mastercard
  • PayPal
  • Union Pay
  • Visa

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Vehicle Safety Data

2006 Hummer H2 Recalls & Complaints

NHTSA #08V44100028/08/2008Component: ELECTRICAL SYSTEM

GM IS RECALLING 857,735 MY 2006-2008 BUICK LUCERNE; CADILLAC DTS; HUMMER H2; MY 2007-2008 CADILLAC ESCALADE, ESCALADE ESV, ESCALADE EXT; CHEVROLET AVALANCHE, SILVERADO, SUBURBAN, TAHOE; GMC ACADIA, SI

Consequence

THIS MAY CAUSE OTHER ELECTRICAL FEATURES TO MALFUNCTION, CREATE AN ODOR, OR CAUSE SMOKE INCREASING T

Remedy

DEALERS WILL INSTALL A WIRE HARNESS WITH AN IN-LINE FUSE FREE OF CHARGE. THE RECALL BEGAN ON SEPTEM

NHTSA #05V55200007/12/2005Component: EQUIPMENT:OTHER:LABELS

CERTAIN TRUCKS AND SPORT UTILITY VEHICLES FAIL TO CONFORM TO THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 110, "TIRE SELECTION AND RIMS." THESE VEHICLES WERE SHIPPED WITH TIRE AND L

Consequence

A MISPRINTED LABEL COULD LEAD TO IMPROPER VEHICLE LOADING SPECIFICATIONS OR TIRE INFLATION WHICH COU

Remedy

OWNERS WILL BE PROVIDED WITH CORRECTED LABELS AND INSTALLATION INSTRUCTIONS. AT THE CUSTOMER'S OPTI

NHTSA #05V45500005/10/2005Component: STEERING:HYDRAULIC POWER ASSIST:HOSE, PIPING, AND CONNECTIONS

CERTAIN PASSENGER VEHICLES MAY HAVE BEEN BUILT WITH A POWER STEERING HOSE THAT IS NOT TO SPECIFICATION. UNDER EXTREME STEERING MANEUVERS, SUCH AS TURNING THE STEERING WHEEL FULLY TO THE LEFT OR RIGHT

Consequence

IF THIS WERE TO OCCUR, POWER STEERING ASSIST WOULD BE LOST AND INCREASED STEERING EFFORT WOULD BE RE

Remedy

DEALERS WILL INSPECT THE POWER STEERING HOSE(S) FOR TWO SUSPECT DATE CODES AND REPLACE THEM IF REQUI

NHTSA #10V24000004/06/2010Component: ELECTRICAL SYSTEM

GM IS RECALLING CERTAIN MODEL YEAR 2006-2009 BUICK, LUCERNE; CADILLAC DTS; HUMMER H2; MODEL YEAR 2008-2009 BUICK ENCLAVE; CADILLAC CTS; MODEL YEAR 2007-2009 CADILLAC ESCALADE, ESCALADE ESV, ESCALADE E

Consequence

IT IS POSSIBLE FOR THE HEATED WASHER MODULE TO IGNITE AND A FIRE MAY OCCUR.

Remedy

DEALERS WILL PERMANENTLY DISABLE AND REMOVE THE HEATED WASHER FLUID MODULE. AN UPDATED PAGE FOR THE

NHTSA #06E01000001/02/2006Component: STEERING

CERTAIN FABTECH AFTERMARKET REPLACEMENT PITMAN ARMS, P/NOS. FTS71000 AND FTS71001, INSTALLED FOR USE ON CERTAIN 2001-2006 GM C/K 2500 PICK UP TRUCKS AND SPORT UTILITY VEHICLES. THE PIN LOCATED INSIDE

Consequence

LOSS OF STEERING CONTROL COULD LEAD TO A VEHICLE CRASH WITH POTENTIAL INJURY OR DEATH.

Remedy

FABTECH WILL NOTIFY OWNERS AND REPLACE THE PITMAN AND IDLER ARMS FREE OF CHARGE. THE RECALL IS EXPE

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 #11012907

This service bulletin explains how to measure for oil consumption and possible reasons for loss of oil.

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

TSB #11010544

This service bulletin explains how to measure for oil consumption and possible reasons for loss of oil.

Showing the 8 most recent of 747 technical service bulletins on file with NHTSA.

20070723Component: SUSPENSION:FRONT:CONTROL ARM:LOWER BALL JOINTCrash reported2 injured

TL*THE CONTACT OWNS A 2006 GMC HUMMER H2. WHILE DRIVING 55 MPH, THE CONTACT LOST CONTROL OF THE VEHICLE AND DROVE INTO A CANAL. THE TOW MECHANIC STATED THAT THE LOWER BALL JOINT SNAPPED AND CAUSED T

20140403Component: AIR BAGSCrash reported1 injured

TL* THE CONTACT OWNS A 2006 HUMMER H2. THE CONTACT STATED THAT WHILE DRIVING AT AN UNKNOWN SPEED, THE CONTACT CRASHED INTO A TREE AND THE VEHICLE WAS DESTROYED. THE AIR BAGS FAILED TO DEPLOY. THE CONT

20100428Component: AIR BAGSCrash reported1 injured

TL*THE CONTACT OWNS A 2006 HUMMER H2T. WHILE DRIVING AT APPROXIMATELY 45 MPH, THE VEHICLE WAS HIT BY ANOTHER VEHICLE ON THE FRONT DRIVER SIDE. NONE OF THE AIR BAGS DEPLOYED AND THE ON-STAR SYSTEM DID

20100428Component: EQUIPMENT:ELECTRICALCrash reported1 injured

TL*THE CONTACT OWNS A 2006 HUMMER H2T. WHILE DRIVING AT APPROXIMATELY 45 MPH, THE VEHICLE WAS HIT BY ANOTHER VEHICLE ON THE FRONT DRIVER SIDE. NONE OF THE AIR BAGS DEPLOYED AND THE ON-STAR SYSTEM DID

20160807Component: ELECTRICAL SYSTEMFire reported

VEHICLE HAD BEEN DRIVEN APPROXIMATELY 2 MILES FROM START TIME, WAS STATIONARY AND UNOCCUPIED FOR APPROXIMATELY 10-25 MINUTES. VEHICLE INTERIOR CAUGHT FIRE AT THE BASE OF THE TOP SITTING AREA OF THE R

Showing the 5 most serious of 35 complaints filed with NHTSA.

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