2005 Hummer H2 Service and Repair Manual

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Factory-Grade Data

2005 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
  • Adventure 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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Vehicle Safety Data

2005 Hummer H2 Recalls & Complaints

NHTSA #05V16300022/04/2005Component: SEAT BELTS:REAR/OTHER

ON CERTAIN CREW CAB PICKUP TRUCKS AND SPORT UTILITY VEHICLES, THE 2ND ROW CENTER OCCUPANT SEAT BELT ROUTING MAY MAKE IT DIFFICULT TO POSITION THE LAP PORTION OF THE SAFETY BELT LOW AROUND THE HIPS OF

Consequence

A LAP PORTION OF THE SEAT BELT ROUTING THAT IS NOT LOW AND SNUG ON THE HIPS CAN ALLOW THE LAP BELT T

Remedy

DEALERS WILL CUT OPEN THE GUIDE LOOP, REMOVE A PORTION OF THE LOOP, AND THEN THE REMAINING TWO SIDES

NHTSA #05V04300008/02/2005Component: SERVICE BRAKES, HYDRAULIC

CERTAIN TRUCKS, SPORT UTILITY VEHICLES, AND VANS EQUIPPED WITH BOSCH HYDRO-BOOST BRAKE ASSEMBLIES, THE HYDRAULIC BRAKE BOOSTER PRESSURE ACCUMULATOR MAY CRACK AND SEPARATE FROM THE HYDRO-BOOST ASSEMBLY

Consequence

IF A SEPARATION OCCURRED AND THE HOOD OF THE VEHICLE WERE OPEN, FRAGMENTS FROM THE ACCUMULATOR COULD

Remedy

DEALERS WILL TEST THE HYDRO-BOOST ASSEMBLY FOR FUNCTIONAL OPERATION OF THE TWO-FUNCTION VALVE. IF T

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 734 technical service bulletins on file with NHTSA.

20150212Component: AIR BAGSCrash reported

TL* THE CONTACT OWNS A 2005 HUMMER H2. WHILE DRIVING AT APPROXIMATELY 30 MPH, ANOTHER VEHICLE MADE AN IMPROPER LEFT TURN AND CRASHED INTO THE FRONT DRIVER SIDE OF THE CONTACT'S VEHICLE. THE AIR BAG LI

20100419Component: STEERINGCrash reported

WHILE DRIVING THE ROAD CURVED TO THE LEFT. I TRIED TO FOLLOW ROAD AS IT CURVED. I WAS ABLE TO TURN THE STEERING WHEEL BUT THE WHEELS COULD NOT FOLLOW THE TURN. THE HUMMER WENT STRAIGHT CAUSING ME TO G

20041213Component: WHEELS:RIMCrash reported

VEHICLE HAD A BENT RIM THAT CAME DIRECTLY FROM THE MANUFACTURER. CONSUMER TOOK THE VEHICLE TO THE DEALER, AND WAS INFORMED THAT BECAUSE THE RIM WAS BENT IT WAS CAUSING THE TIRE TO GO FLAT. CONSUMER L

20120715Component: VISIBILITY/WIPERFire reported

DRIVING HOME I BEGAN TO SMELL AND ELECTRICAL BURNING SMELL. IT BEGAN VERY QUICKLY AND CAME AND WENT FOR ABOUT 2 MILES. I PULLED OVER AND LOOKED AND COULD NOT SEE SMOKE OR FIRE SO I CONTINUED HOME.

20120715Component: ELECTRICAL SYSTEMFire reported

DRIVING HOME I BEGAN TO SMELL AND ELECTRICAL BURNING SMELL. IT BEGAN VERY QUICKLY AND CAME AND WENT FOR ABOUT 2 MILES. I PULLED OVER AND LOOKED AND COULD NOT SEE SMOKE OR FIRE SO I CONTINUED HOME.

Showing the 5 most serious of 103 complaints filed with NHTSA.

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