🏷️ Basic Information

Make:

GMC

Model:

Sierra 3500

Year:

2007

Product Type:

Service & Repair Manual Software

Generation:

Second Generation (GMT900)

Chassis Code:

GMT900 (specific to 3500HD variants)

👋 Introduction

Target Audience:

DIY enthusiasts, independent repair shops, fleet maintenance

Advantage Over Print:

Up-to-date information, instant access, enhanced searchability, lower cost compared to traditional manuals

Accuracy:

Licensed OE data ensures accuracy and completeness

Convenience:

Accessible from any internet-connected device

Cost Savings:

Enables DIY repairs, reducing labor costs at repair shops

📋 Manual Details

Vehicle Coverage:

2007 GMC Sierra 3500 (all trims and configurations)

Estimated Page Count:

Extensive digital content, equivalent to thousands of printed pages

Type:

Factory-derived Service and Repair Manual Software

Language:

English

Access Format:

Online access via web browser

Compatibility:

PC, Laptop, Smartphone, Tablet

License Status:

Officially Licensed

Data Source:

OE (Original Equipment) Materials

Subscription Length:

1 Year

Renewal Option:

Discounts available for additional years

📖 Manual Coverage

Powertrain:

Engine mechanical, cooling, lubrication, fuel, ignition, exhaust systems

Drivetrain:

Transmission (automatic and manual), transfer case, drivelines, axles, differential

Chassis:

Suspension (front and rear), steering system, brakes (front and rear, ABS)

Electrical:

Wiring diagrams, lighting, starting and charging systems, instrument cluster, body control modules, power distribution

HVAC:

Heating, ventilation, and air conditioning (HVAC) system diagnosis and repair

Body:

Body panels, doors, windows, interior trim, exterior trim, bumpers

Maintenance:

Scheduled maintenance, oil changes, filter replacements, fluid checks and top-offs

Diagnostics:

Troubleshooting guides, diagnostic trouble codes (DTCs) interpretation, symptom-based diagnostics

Repair:

Component removal and installation, system overhaul, component repair

Calibration:

TPMS (Tire Pressure Monitoring System) calibration, electronic module programming

Specifications:

Torque specifications, clearances, tolerances, diagnostic data

Depth:

Comprehensive from basic maintenance to advanced diagnostics and component-level repair

Diagnostic Tools:

Reference to necessary diagnostic tools and equipment

📊 Manual Specifications

Digital Format:

Web-based application

Printability:

Content can be printed from the web interface

Binding:

N/A (Digital Access)

Paper:

N/A (Digital Access)

Text Search:

Yes, keyword searchable content

Ui Design:

Intuitive and easy-to-navigate interface

⚙️ Engine Specifications

Engine Options:

6.0L V8 Vortec OHV 16V (LQ4) / 8.1L V8 Vortec OHV 16V (L18)

Displacement 6.0L:

364 cubic inches (5967 cc)

Horsepower 6.0L:

Approximately 300-325 hp (depending on configuration)

Torque 6.0L:

Approximately 360-370 lb-ft (depending on configuration)

Displacement 8.1L:

496 cubic inches (8136 cc)

Horsepower 8.1L:

Approximately 320 hp @ 4000 rpm

Torque 8.1L:

Approximately 445 lb-ft @ 3200 rpm

Fuel Delivery:

Sequential Port Fuel Injection (SFI)

Fuel Type:

Unleaded gasoline

Emissions Control:

California Enhanced (for applicable models), Federal Emissions

🔧 Transmission

Transmission Type Std:

Allison 1000 5-speed automatic (standard on 3500HD with 6.0L and 8.1L)

Transmission Type Opt:

NV4500 5-speed manual (available on some 2WD 3500 models with 6.0L)

Powertrain Braking:

Integrated engine-braking capability on Allison transmissions

Transfer Case:

Full-time 4WD with AutoTrac (optional) or part-time 4WD with electronic shift (standard on many models)

📐 Dimensions

Wheelbase Std:

Varies by cab and bed configuration (e.g., 133.0" for Regular Cab, Long Bed; 153.0" for Extended Cab, Long Bed)

Overall Length Std:

Varies by cab and bed configuration (e.g., 223.8" for Regular Cab, Long Bed)

Gvwr Max:

Up to 11,500 lbs (7000 lb front GAWR, 7100 lb rear GAWR)

Curb Weight:

Approximately 5,500 - 7,000 lbs depending on configuration

Payload Capacity Max:

Up to 4,800 lbs (depending on configuration)

Towing Capacity Max:

Up to 12,000 lbs (with proper equipment and configuration)

🛡️ Safety Features

NHTSA Front Impact:

4-star (driver and passenger) for 2007 models

NHTSA Side Impact:

5-star (front and rear passengers) for 2007 models

IIHS Rollover:

Good (4-star rating in side-impact and rollover tests)

ABS:

Anti-lock Braking System (ABS) standard

Traction Control:

StabiliTrak (electronic stability control) available on some models

Airbags:

Frontal airbags for driver and passenger, available side-curtain airbags

Seatbelts:

Three-point seat belts with pretensioners

💡 Technology Features

Audio System:

Standard AM/FM stereo with CD player, optional Bose premium audio system.

Navigation:

Optional factory navigation system available on higher trim levels.

Parking Assist:

Available rear parking assist sensors.

Cruise Control:

Standard cruise control.

Auxiliary Input:

Standard auxiliary audio input jack on many models.

🔧 Maintenance

Oil Change Interval:

Every 5,000 to 7,500 miles or 6 months, depending on driving conditions and oil type used. Refer to manual for specific recommendations.

Tire Rotation:

Every 7,500 miles

Transmission Fluid Change:

Consult manual; typically around 30,000-60,000 miles for severe use.

Engine Oil 6.0L:

API SM, SAE 5W-30 synthetic blend or full synthetic. Capacity: 6 quarts with filter.

Engine Oil 8.1L:

API SM, SAE 10W-30 or 10W-40 synthetic blend or full synthetic. Capacity: 7.5 quarts with filter.

Coolant:

Dex-Cool (Orange) 50/50 mixture with distilled water. Capacity varies by engine and radiator size.

Transmission Fluid Allison:

TES 295 approved fluid (e.g., Allison Transynd). Capacity: Approx. 11.5 quarts.

Transmission Fluid Manual:

Refer to manual; typically manual transmission fluid (MTF) meeting specific GM specifications.

Brake Fluid:

DOT 3 or DOT 4 brake fluid

Common Wear Items:

Ball joints, tie rod ends, brake pads/rotors, exhaust system components due to heavy-duty use.

Electrical Gremlins:

Occasional issues with body control modules or instrument cluster on some GMT900 models.

Diesel Specific:

While this manual covers gasoline engines primarily, heavy-duty trucks often have diesel options. The 3500HD typically offered the Duramax 6.6L Diesel, which has its own set of common issues like EGR cooler failures and injector problems (though not detailed in this gasoline-focused product description).

📚 Vehicle History

Brand Focus:

GMC (General Motors Company) has a long history of producing trucks and commercial vehicles, emphasizing durability and capability.

Sierra Lineage:

The Sierra 3500 is the heavy-duty variant of GMC's full-size pickup truck line, evolving from the C/K series to the Silverado/Sierra platform.

Platform:

GMT900 platform introduced for the 2007 model year (though some early 2007 models might still be on the older GMT800 platform, referred to as '07 Classic'). This manual covers the newer GMT900.

Manufacturing Locations:

Fort Wayne, Indiana; Oshawa, Ontario, Canada

🏆 Awards & Recognition

Truck Of The Year:

While specific awards for the 2007 Sierra 3500 might be scarce, the Sierra line consistently received accolades for its towing, hauling, and overall capability from automotive publications during this era.

Towing Hauling Ratings:

Segment-leading towing and hauling capacities were a hallmark of the 3500 HD models.