📚 Vehicle Manual Information

Hummer H3 2010 Service Repair Workshop Manual

🏷️ Basic Information

Make:

Hummer

Model:

H3

Year:

2010

Vehicle Type:

Mid-size SUV / Off-road Vehicle

👋 Introduction

Positioning:

The Hummer H3 was positioned as a distinctive, off-road-capable SUV with a unique styling and imposing presence, appealing to buyers seeking a rugged and adventurous vehicle.

Competitors:

Competed with vehicles like the Jeep Wrangler Unlimited, Toyota FJ Cruiser, and sometimes positioned against larger SUVs like the Chevrolet Tahoe or Ford Expedition in terms of size and capability.

Design:

Iconic Hummer styling, aggressive stance, high ground clearance, short overhangs.

Off Road Capability:

Excellent off-road credentials, including 4WD system, low-range gearing, and robust construction.

Engine Options:

Available with a 3.7L inline-5 cylinder engine and later the powerful 5.3L V8 (Alpha model).

📋 Manual Details

Primary Coverage:

Full Service, Repair, and Workshop Procedures

Secondary Coverage:

Troubleshooting, Diagnostics, Maintenance

Estimated Page Count:

Hundreds

Type:

Factory Service Manual / Workshop Manual

Language:

English

Format:

PDF Download

📖 Manual Coverage

Engine Mechanical:

Engine assembly, disassembly, cylinder head, block, pistons, crankshaft, camshafts, timing systems, lubrication, cooling.

Engine Performance:

Fuel injection, ignition, emissions control, exhaust system, turbocharger (if applicable).

Transmission Manual:

Manual transmission overhaul, clutch system, gear selection mechanisms.

Transmission Automatic:

Automatic transmission overhaul, torque converter, valve body, transmission control module (TCM).

Drivetrain Axles:

Front and rear axles, differentials, CV joints, drive shafts.

Suspension:

Front and rear suspension components, shock absorbers, springs, control arms, sway bars.

Steering:

Power steering system, steering column, tie rods, steering gear/rack.

Brakes:

Brake system components, hydraulic lines, master cylinder, calipers, rotors, ABS system, parking brake.

Electrical System:

Battery, charging system (alternator), starting system (starter), wiring diagrams, lighting, fuses, relays.

Body Exterior:

Body panels, doors, hood, tailgate, bumpers, exterior trim, glass.

Body Interior:

Seats, dashboard, instrument panel, door panels, headliner, carpeting, interior trim.

HVAC:

Heating, ventilation, and air conditioning system components, refrigerant, controls.

Infotainment Audio:

Audio system, speakers, radio, navigation (if equipped).

Safety Systems:

Airbag system, seat belts, SRS module.

Routine Maintenance:

Oil changes, filter replacements, fluid checks and top-offs, tire rotations, belt inspections.

Diagnostics:

Troubleshooting guides, fault code interpretation, diagnostic procedures for all major systems.

Repair Procedures:

Step-by-step instructions for component replacement, adjustment, and overhaul.

Component Replacement:

Detailed procedures for replacing parts such as alternators, starters, water pumps, fuel injectors, etc.

Electrical Troubleshooting:

Using wiring diagrams, testing circuits, identifying faults in electrical components.

Mechanical Adjustments:

Timing belt adjustment, brake adjustments, suspension alignment checks.

Special Tools:

Identification and usage of specialized tools required for specific repairs.

Torque Specifications:

Precise torque values for all critical fasteners.

Depth:

Comprehensive, from basic maintenance to complete engine and transmission rebuilds.

Diagnostics Level:

Advanced diagnostic procedures utilizing scan tools and multimeter readings.

Detail Level:

Highly detailed, including exploded diagrams and step-by-step instructions.

📊 Manual Specifications

Format:

PDF

Searchability:

Searchable text content for quick information retrieval.

Printability:

Printable pages, single or entire document.

Image Resolution:

High-resolution photos and diagrams for clarity.

Binding Type:

N/A (Digital Download)

Paper Type:

N/A (Digital Download)

Device Compatibility:

Compatible with computers (Windows & MAC), tablets, and smartphones.

Licensing:

Unlimited lifetime usage, no expiry dates or renewal fees.

⚙️ Engine Specifications

Engine Type:

Inline-5 Cylinder, DOHC, 20-Valve

Engine Displacement:

3.7 Liters (226 cu in)

Engine Code:

LLR

Horsepower:

242 hp @ 5600 rpm

Torque:

242 lb-ft @ 4600 rpm

Fuel Delivery:

Sequential Multi-Port Fuel Injection (MPFI)

Recommended Fuel:

87 Octane Unleaded Gasoline

ECM:

ECM (Engine Control Module) with diagnostic capabilities.

🔧 Transmission

Transmission Type Std:

5-Speed Manual Transmission

Transmission Type Opt:

4-Speed Automatic Transmission (4L60-E)

Drivetrain:

4WD Standard with Electronic Locking Rear Differential (Optional Front).

📐 Dimensions

Length:

4650 mm (183.1 in)

Width:

2004 mm (78.9 in)

Height:

1905 mm (75.0 in)

Wheelbase:

3120 mm (122.8 in)

Curb Weight Approx:

4,700 lbs (2,132 kg)

Cargo Volume Behind Rear Seat:

39.0 cu ft

Cargo Volume Max:

77.0 cu ft

🛡️ Safety Features

NHTSA Rollover Rating:

4-Star (for 2WD and 4WD models)

ABS:

Standard Anti-lock Braking System (ABS)

Traction Control:

Standard Traction Control System (TCS)

Stabilitrak:

Optional StabiliTrak (Electronic Stability Control)

Airbags:

Driver and front passenger airbags, side curtain airbags (optional).

Seat Belts:

Three-point seat belts for all occupants.

💡 Technology Features

Audio System:

Standard AM/FM/CD player with auxiliary input. Optional premium sound system, satellite radio, and navigation.

Assist Features:

Rear parking assist sensors (optional).

Connectivity Features:

Bluetooth connectivity for hands-free calling (optional).

🔧 Maintenance

Oil Change Interval:

Every 7,500 miles or 12 months (whichever comes first) with synthetic blend oil.

Tire Rotation Interval:

Every 7,500 miles.

Coolant Flush Interval:

Every 100,000 miles or 5 years.

Engine Oil Type:

SAE 5W-30 Synthetic Blend

Engine Oil Capacity:

6.0 Quarts (5.7 Liters)

Transmission Fluid Type Auto:

Dexron VI

Transmission Fluid Type Manual:

GM Synchromesh Fluid or equivalent

Coolant Type:

GM P/N 12346290 (Orange, Extended Life)

Brake Fluid Type:

DOT 3

Common Complaints:

Fuel economy, interior noise levels, brake wear (especially front), potential for rear axle seal leaks.

Engine Considerations:

The 3.7L inline-5 engine, while reliable, can be perceived as underpowered for the H3's size and weight. Regular maintenance is crucial for longevity.

📚 Vehicle History

Brand Origin:

Hummer originated from AM General's High Mobility Multipurpose Wheeled Vehicle (HMMWV) or Humvee.

H3 Introduction:

The Hummer H3 was introduced in 2005 as a smaller, more fuel-efficient, and affordable alternative to the H1 and H2 models.

2010 Updates:

The 2010 model year was the final year for the Hummer H3 as the Hummer brand was phased out by General Motors.

Production Plant:

Shreveport, Louisiana, USA

Production Years:

2006-2010

🏆 Awards & Recognition

Off Road Awards:

Frequently praised for its off-road capabilities by automotive publications specializing in 4x4 vehicles.