🏷️ Basic Information

Make:

Chevrolet

Model:

Silverado 3500

Year:

2006

Platform:

GMT800 (1999-2007)

Chassis Code:

GMT880 (HD Trucks)

👋 Introduction

Target Audience:

Professional technicians, DIY enthusiasts, fleet maintenance personnel.

Advantage:

Officially licensed, derived from OE materials, offering superior accuracy and completeness compared to aftermarket publications.

Convenience:

Instant online access, compatible with multiple devices (PC, laptop, smartphone, tablet), eliminates the need for physical storage.

Accessibility:

Searchable content for quick information retrieval, allowing users to pinpoint specific repair or maintenance procedures.

Cost Effectiveness:

Saves money on professional repair services by empowering owners to perform maintenance and repairs themselves.

Licensing:

Officially licensed by General Motors, ensuring authenticity and accuracy.

📋 Manual Details

Coverage Scope:

Comprehensive Service and Repair

Estimated Pages:

Thousands (typical for full factory service manuals)

Type:

Digital Service and Repair Manual Software

Language:

English

Format:

PDF Download (accessible via web browser)

📖 Manual Coverage

Powertrain:

Engine mechanical, fuel system, ignition system, exhaust system, lubrication system, cooling system, emissions control.

Drivetrain:

Transmission (manual/automatic), transfer case, drive shafts, axles, differentials, wheel bearings.

Chassis:

Steering system, suspension (front/rear), brakes (hydraulic/parking), wheels, tires.

Electrical:

Battery, charging system, starting system, lighting, instrumentation, power accessories, body control module (BCM), engine control module (ECM), chassis control module (CCM), diagnostic connectors.

Body:

Body panels, doors, glass, interior trim, HVAC (heating, ventilation, air conditioning), safety restraint systems (airbags, seatbelts).

Maintenance:

Scheduled maintenance intervals, fluid changes (oil, coolant, brake, transmission, differential), filter replacements, lubrication, inspections.

Repair Major:

Engine overhaul/rebuild, transmission overhaul/rebuild, differential service, suspension component replacement, brake system repair, steering component replacement.

Repair Minor:

Component replacement (alternator, starter, water pump, fuel pump), belt replacement, hose replacement, sensor replacement, light bulb replacement.

Diagnostics:

Troubleshooting guides, diagnostic trouble codes (DTCs) interpretation, circuit diagrams, component testing procedures, scan tool usage.

Calibration Adjustment:

Wheel alignment procedures, steering wheel centering, idle speed adjustment (if applicable), brake bleeding procedures.

Depth:

Factory-level detail, covering disassembly, assembly, specifications, tolerances, torque values, diagnostic strategies, and wiring schematics.

📊 Manual Specifications

Digital Format:

PDF (Printable, Searchable)

Clarity:

High-resolution scans of original factory documentation.

Binding:

N/A (Digital Download)

Paper Type:

N/A (Digital Download)

⚙️ Engine Specifications

Engine Code 1:

Vortec 6.0L V8 (LQ4)

Engine Code 2:

Vortec 8.1L V8 (L18)

Displacement 6.0L:

364 cu. in. (5967 cc)

Displacement 8.1L:

496 cu. in. (8134 cc)

Horsepower 6.0L:

300 hp @ 4400 rpm (approx.)

Torque 6.0L:

373 lb-ft @ 3200 rpm (approx.)

Horsepower 8.1L:

320 hp @ 3600 rpm (approx.)

Torque 8.1L:

450 lb-ft @ 3200 rpm (approx.)

Fuel Delivery:

Sequential Electronic Fuel Injection (SFI)

Fuel Type:

87 Octane Unleaded Gasoline (minimum)

Bore Stroke 6.0L:

4.00 in. x 3.62 in.

Bore Stroke 8.1L:

4.47 in. x 4.125 in.

Compression Ratio 6.0L:

9.4:1

Compression Ratio 8.1L:

9.1:1

🔧 Transmission

Transmission Type Std 6.0L:

4-Speed Automatic (4L80-E)

Transmission Type Std 8.1L:

4-Speed Automatic (4L85-E)

Transmission Type Opt:

5-Speed Manual (NV4500 HD)

Transmission Cooling:

External transmission cooler standard on all models.

Drivetrain Options:

2WD (RWD) or 4WD.

📐 Dimensions

Wheelbase Std:

130.0 inches

Wheelbase Ext:

153.0 inches (Extended Cab/Long Bed)

Overall Length Std:

227.7 inches

Overall Length Ext:

250.7 inches

Overall Width:

79.7 inches

Overall Height:

77.4 inches

Bed Length Std:

78.8 inches (6.5 ft bed)

Bed Length Ext:

97.7 inches (8 ft bed)

Curb Weight Min:

Approx. 6,000 lbs

Gvwr Min:

9,900 lbs

Gvwr Max:

11,400 lbs

Gcwr Max:

Up to 20,000 lbs (depending on configuration)

Max Payload:

Up to 4,500 lbs (depending on configuration)

Max Towing Capacity:

Up to 12,000 lbs (depending on configuration)

🛡️ Safety Features

NHTSA Front Driver Side:

5-Star (for models equipped with airbags)

NHTSA Front Passenger Side:

5-Star (for models equipped with airbags)

IIHS Frontal Offset:

Good (for models with specific front-end design improvements)

ABS:

Standard (Anti-lock Braking System)

Traction Control:

Available (StabiliTrak on some models)

Airbags:

Driver and front passenger airbags standard.

Seatbelts:

Front and rear seatbelts, with pretensioners for front seats.

💡 Technology Features

Audio System:

Standard AM/FM stereo with CD player. Optional premium audio systems available, including Bose on some trims.

Navigation:

Available factory-installed navigation system on higher trim levels.

Cruise Control:

Standard on most trims.

Trailer Brake Controller:

Available integrated trailer brake controller on some models.

Onstar:

Available OnStar telematics system for safety and convenience features.

🔧 Maintenance

Oil Change Interval:

Every 3,000-7,500 miles or 6 months, depending on engine, driving conditions, and oil type (refer to manual for specifics).

Engine Coolant Flush:

Every 100,000 miles or 5 years (initial interval, then every 50,000 miles or 5 years).

Transmission Fluid Change:

Every 45,000-100,000 miles, depending on usage and transmission type (heavy towing requires more frequent changes).

Spark Plug Replacement 6.0L:

Approx. 100,000 miles (OEM recommendation for specific plug types).

Engine Oil 6.0L:

API Service SJ or higher, SAE 5W-30 synthetic blend or full synthetic.

Engine Oil 8.1L:

API Service SJ or higher, SAE 15W-40 heavy-duty oil.

Coolant:

Dex-Cool (orange) Extended Life Coolant (AFM 6220) or equivalent. 50/50 mix with distilled water.

Transmission Fluid 4L80E/4L85E:

Dexron III (or Dexron VI if compatible) automatic transmission fluid.

Rear Axle Fluid:

GL-5 gear lubricant, SAE 75W-90 (or SAE 80W-90 if specified).

Common Problems Duramax Diesel:

While this manual covers gasoline engines, common issues for Duramax diesel variants of this era include injector issues, EGR problems, and turbocharger wear. (Note: This manual likely focuses on gasoline engines unless otherwise specified).

Common Problems Gasoline:

Some owners have reported issues with intake manifold gaskets, exhaust manifold leaks, and occasional transmission control module (TCM) problems.

Oil Filter 6.0L Fram:

PH8A or equivalent

Air Filter 6.0L Fram:

CA8734 or equivalent

📚 Vehicle History

Chevrolet Truck Legacy:

Chevrolet has a long-standing reputation for building durable and capable trucks, dating back to the early 20th century.

Silverado Heavy Duty Lineage:

The Silverado HD line is a direct descendant of the Chevrolet C/K heavy-duty trucks, known for their robust construction and towing/hauling prowess.

Generation Designation:

Part of the GMT800 platform, which saw significant updates and revisions throughout its production run.

Manufacturing Location:

Fort Wayne, Indiana, USA; Oshawa, Ontario, Canada.

🏆 Awards & Recognition

Segment Leadership:

Consistently recognized for its towing and hauling capabilities within the heavy-duty pickup truck segment.