🏷️ Basic Information

Make:

Hummer

Model:

H3

Year:

2010

Generation Designation:

First Generation

Chassis Code:

GMT955

👋 Introduction

Target Audience:

Hummer H3 owners, DIY mechanics, independent repair shops

Value Proposition:

Enables users to maintain, service, diagnose, and repair their H3 with factory-level accuracy, saving time and money.

Differentiation:

Vehicle-specific, not generic; provides exact information used by dealership technicians.

Digital Convenience:

Single PDF manual, searchable, printable specific pages, reduces risk of physical damage.

Content Richness:

Comprehensive coverage from basic maintenance to advanced diagnostics and repairs.

📋 Manual Details

Vehicle Models Covered:

All 2010 Hummer H3 models (including variations in trim and optional equipment)

Repair Scope:

A-Z, comprehensive vehicle-specific repairs

Estimated Page Count:

High (Specific count not provided, but described as comprehensive)

Type:

Service and Repair Manual

Authenticity:

Factory equivalent, used by dealership technicians

Language:

English

File Format:

PDF

📖 Manual Coverage

Powertrain:

Engine, Control System, Mechanical, Fuel Service Specifications, Emission Control, Intake Exhaust Cooling, Lube, Ignition Starting Charging, Auto Transmission, Manual Transmission, Transfer Propeller Shaft, Drive Shaft, Differential, Axle Suspension

Chassis And Body:

Tire & Wheel, Brake Control, Brake, Parking Brake, Steering Column, Power Steering, Exterior & Interior, Engine Hood/ Door, Windshield/Glass Mirror, Instrument Panel

Electrical And Electronics:

Electrical, Multiplex/Can Communication, Suppl Restraint System, Seat Belt, Engine Immobilizer, Cruise Control, Wiper & Washer, Door Lock, Meter Audio/Visual, Horn, Air Condition

Maintenance:

Scheduled maintenance, fluid checks and changes, filter replacements, component inspections

Diagnostics:

Troubleshooting guides, diagnostic procedures for various systems, fault code interpretation

Repair:

Step-by-step repair instructions for all major vehicle components and systems

Installation:

Instructions for component replacement and installation

Detail Level:

Highly detailed, factory-level technical information

Content Type:

Step-by-step instructions, diagrams, illustrations, wiring schematics, specifications

📊 Manual Specifications

Compatibility:

Windows Vista (32/64-bit), XP, ME, 98, NT, 2000, and macOS

Required Software:

Adobe PDF Reader, Winzip (free online)

Printability:

All pages printable, allowing for enlarged prints of images and diagrams

Physical Binding:

N/A (Digital PDF format)

Physical Paper Type:

N/A (Digital PDF format)

⚙️ Engine Specifications

Engine Type:

Inline 5-cylinder, 3.7L (226 ci) Vortec

Horsepower:

242 hp @ 5600 rpm (approximate)

Torque:

242 lb-ft @ 3600 rpm (approximate)

Induction:

Sequential Electronic Fuel Injection (EFI)

Fuel Type:

Unleaded Gasoline

Coolant Type:

GM DEX-COOL® Extended Life Antifreeze/Coolant (specific part number would be detailed in manual)

Oil Type:

SAE 5W-30 Synthetic Blend (check manual for exact specifications and capacity)

🔧 Transmission

Type:

5-speed manual transmission (Getrag MM560)

Type:

4-speed automatic transmission (4L60-E)

Transfer Case:

2-speed electronic (2WD/4WD High/Low) or optional full-time 4WD with locking center differential

Automatic Transmission Fluid:

Dexron-VI (refer to manual for exact capacity and service procedures)

Manual Transmission Fluid:

GL-4 or GL-5 gear oil, 75W-90 (refer to manual for exact specifications and capacity)

📐 Dimensions

Overall Length:

Approx. 188.5 inches (4788 mm)

Overall Width:

Approx. 81.1 inches (2060 mm)

Overall Height:

Approx. 77.1 inches (1958 mm)

Curb Weight:

Approx. 4,800 - 5,000 lbs (2177 - 2268 kg)

Towing Capacity:

Up to 5,000 lbs (2268 kg)

Payload Capacity:

Approx. 1,200 - 1,300 lbs (544 - 590 kg)

Standard Tire Size:

LT265/75R16 (check specific trim for variations)

Wheel Bolt Pattern:

6 x 139.7 mm (6 x 5.5 inches)

🛡️ Safety Features

NHTSA Front Crash Test:

5 Stars (for both driver and passenger)

NHTSA Side Crash Test:

5 Stars (for front and rear passengers)

IIHS Roof Strength:

Good (for models produced after a certain date, refer to manual for specific VIN range)

ABS:

Standard Anti-lock Braking System (ABS) on all wheels

Traction Control:

StabiliTrak electronic stability control and traction control system

Hill Descent Control:

Available (specific to certain 4WD models)

Airbags:

Frontal airbags, front seat-mounted side-impact airbags, available roof-rail airbags

Seatbelts:

Three-point seat belts with pretensioners and load limiters

Rollover Protection:

Reinforced frame and body structure designed for rollover protection

💡 Technology Features

Audio System:

Available AM/FM stereo with CD player, MP3 capability, satellite radio, and optional premium sound system.

Navigation:

Optional touch-screen navigation system with voice recognition.

Rear Parking Assist:

Available ultrasonic rear parking assist sensors.

Backup Camera:

Available rearview camera system integrated with navigation or rearview mirror display.

Bluetooth:

Available Bluetooth hands-free connectivity for mobile phones.

Remote Start:

Available remote vehicle starter system.

🔧 Maintenance

Oil Change Interval:

Every 7,500 miles or 6 months, whichever comes first (refer to manual for exact specification based on driving conditions)

Tire Rotation:

Every 7,500 miles

Engine Air Filter:

Inspect every 15,000 miles, replace as needed (refer to manual for replacement interval)

Cabin Air Filter:

Replace every 15,000 miles or annually

Spark Plugs:

Refer to manual for specific replacement interval (typically around 100,000 miles for iridium plugs)

Brake Fluid:

DOT 3 (refer to manual for specific GM part number and capacity)

Power Steering Fluid:

GM Power Steering Fluid (refer to manual for specific part number and capacity)

Coolant:

GM DEX-COOL® Extended Life Antifreeze/Coolant (50/50 mix) (refer to manual for capacity)

Common Complaints:

Potential for front suspension wear (ball joints, tie rod ends), minor electrical gremlins, limited rear visibility (addressed by some aftermarket solutions but covered in manual for OEM adjustments).

Engine Oil Consumption:

Some early models reported higher oil consumption; refer to manual for engine health checks and potential causes.

📚 Vehicle History

Brand Origin:

Hummer originated from the AM General HMMWV (High Mobility Multipurpose Wheeled Vehicle), a military vehicle.

H3 Introduction:

The Hummer H3 was introduced in 2005 as a 2006 model, aiming to broaden the Hummer brand with a smaller, more accessible SUV.

H3 Design Platform:

Based on the GMT355 platform, shared with the Chevrolet Colorado and GMC Canyon pickup trucks.

Manufacturing Location:

Shreveport, Louisiana, USA

Production Years:

2006-2010 (for the H3)

Gm Hummer Discontinuation:

General Motors discontinued the Hummer brand in 2010 due to market shifts and financial restructuring, though there have been revival talks.

🏆 Awards & Recognition

IIHS Top Safety Pick:

The H3 received several safety accolades, including IIHS Top Safety Pick ratings in some years for its performance in crash tests.

Kbb Consumer Ratings:

Consistently received moderate to good consumer ratings for its off-road capability and ruggedness, though fuel economy and interior refinement were common points of critique.

Emission Standards:

Designed to meet all applicable federal and state emission standards for the 2010 model year.