Positioning:
The Hummer H1 is an iconic, ultra-high-mobility vehicle, known for its extreme off-road capability and robust construction. This manual caters to owners and technicians who require detailed information for maintaining and repairing this specialized vehicle.
Segment:
Extreme Off-Road / Military-derived Civilian Vehicle
Manual Value Proposition:
Empowers owners to perform their own repairs, saving significant costs and providing a deeper understanding of their H1. Offers comprehensive, easy-to-follow instructions for all service and repair jobs.
Primary Coverage:
Service, Repair, Maintenance
Scope:
All areas of repair and routine maintenance
Estimated Pages:
Likely 1000+ pages (typical for comprehensive WSMs of this nature)
Type:
Workshop Service Manual (WSM)
Delivery Method:
Instant Download
Software Requirements:
Adobe PDF Reader
Operating System Compatibility:
All Versions of Windows & Mac
Powertrain:
Engine, Transmission, Transfer Case, Drivetrain Components
Chassis:
Suspension (Front & Rear), Steering, Brakes, Wheels & Tires
Electrical:
Battery, Charging System, Starting System, Lighting, Gauges, Body Control Module (BCM), Powertrain Control Module (PCM), HVAC Controls, Audio System
Body:
Exterior Panels, Interior Trim, Doors, Seats, Glass, HVAC System
Maintenance:
Scheduled Maintenance, Fluid Checks & Changes, Filter Replacements, Lubrication
Diagnostics:
Troubleshooting Guides, Diagnostic Trouble Codes (DTCs), Symptom-Based Diagnosis
Repair:
Component Removal & Installation, Component Rebuilds, System Diagnosis & Repair
Wiring Diagrams:
Complete Electrical Schematics for all systems
Body And Frame:
Body panel alignment, door adjustments, interior trim removal/installation, frame inspection and repair procedures.
Wheels Tires And Suspension:
Wheel bearing replacement, suspension component replacement (shocks, springs, control arms, ball joints), alignment procedures, CTIS maintenance.
Depth:
In-depth, professional quality, step-by-step instructions
Visual Aids:
Includes pictures and illustrations for clarity
Troubleshooting Methodology:
Comprehensive troubleshooting trees and diagnostic flowcharts for various system malfunctions.
Engine Type:
6.6L V8 Duramax Turbo Diesel
Engine Code:
LLY (Likely variant for 2006 MY)
Horsepower Estimated:
300-330 hp (approx.)
Torque Estimated:
520-550 lb-ft (approx.)
Fuel Delivery:
Common Rail Direct Injection (CRDI) with Turbocharging and Intercooling
Engine Oil Type:
API CJ-4 or equivalent, SAE 15W-40 or 5W-40 (check manual for exact specification)
Engine Oil Capacity:
Approximately 10-12 quarts (9.5-11.4 liters) (check manual for exact specification)
Coolant Type:
Dex-Cool (GM Orange) or equivalent OAT (Organic Acid Technology) coolant (check manual for exact specification)
Transmission Type:
Allison 1000 5-speed automatic
Transmission Type:
N/A for 2006 H1 civilian models
Torque Converter Lockup:
Yes
Transmission Fluid Type:
Dexron-III H or Dexron-VI (check manual for exact specification)
Transmission Fluid Capacity:
Approximately 12-14 quarts (11.4-13.3 liters) (check manual for exact specification)
Length:
Approx. 184.5 inches (4686 mm)
Width:
Approx. 86.5 inches (2197 mm)
Height:
Approx. 77.2 inches (1961 mm)
Curb Weight:
Approx. 7,500-8,500 lbs (3400-3855 kg) depending on configuration
Gross Vehicle Weight Rating:
Approx. 9,200-10,500 lbs (4173-4763 kg) depending on configuration
Bolt Pattern:
8x165.1 mm (8x6.5 inches)
Tire Size Standard:
37x12.5R17 (Common, check manual for exact spec)
NHTSA Ratings:
Not typically rated by NHTSA due to its specialized nature and limited production volume in civilian trim.
Braking System:
Four-wheel Anti-lock Braking System (ABS)
Airbags:
Driver and Passenger Airbags (standard on most 2006 models)
Frame Construction:
Robust body-on-frame construction designed for extreme durability.
Audio System:
Factory AM/FM/CD player, potentially with premium sound options depending on trim.
Stability Control:
Electronic Stability Control (ESC) may be present on later models, but not as advanced as modern systems.
Traction Control:
All-wheel drive with advanced traction control systems inherent to its design.
Bluetooth:
Unlikely to be standard; aftermarket solutions may exist.
Oil Change Interval:
Refer to manual; typically 5,000-7,500 miles or 6-12 months for diesel engines, depending on operating conditions.
Transmission Fluid Interval:
Refer to manual; typically 30,000-60,000 miles, depending on driving conditions.
Transfer Case Fluid:
ATF+4 (MS-9602) or equivalent (check manual for exact specification)
Differential Fluid Front Rear:
GL-5 75W-90 or 75W-140 synthetic (check manual for exact specification and any limited-slip additives required)
Power Steering Fluid:
GM Power Steering Fluid (check manual for exact specification)
Common Complaints:
Steering components (tie rods, ball joints) wear due to weight and off-road use. HVAC system reliability can be a concern. Duramax diesel specific issues may arise if maintenance is neglected (e.g., injector issues, turbocharger). Central Tire Inflation System (CTIS) maintenance.
Maintenance Focus:
Thorough inspection of suspension and steering linkage, regular diesel fuel filter changes, and proper cooling system maintenance are critical.
Origin:
The Hummer brand originated from AM General's High Mobility Multipurpose Wheeled Vehicle (HMMWV), commonly known as the Humvee.
Civilian Introduction:
The civilian Hummer H1 was first introduced in 1992. The 2006 model represents a late iteration before General Motors discontinued the brand in 2006.
Manufacturer:
AM General (under GM ownership)
Production End Date:
General Motors discontinued the Hummer brand in 2006.
