2008 Chevrolet Silverado repair manual

2008 Chevrolet Silverado workshop manual (GMT900): factory repair procedures and wiring diagrams

The 2008 Chevrolet Silverado (GMT900) factory repair manual, made for your VIN from GM's own service information: step-by-step repair procedures, specifications and wiring diagrams for your exact Silverado. The 2008 Silverado was offered with six engines and seven transmissions (listed below); we build your manual for the combination your VIN shows.

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Why owners choose factory-manuals.com

• Manufacturer data: written by GM, not rewritten by a third-party publisher
• Matched to your VIN, so you don't wade through versions you don't own
• One payment: no subscription, no login that expires, no monthly fee
• Clickable hyperlinks throughout the PDF: from a repair step straight to the diagram or torque table it mentions, with bookmarks and full-text search on top. Few manuals sold online have this
• Wiring included: diagrams, connector pinouts and component locations
• Works on any device, offline, and prints page by page for the garage

What this manual has that the owner's manual does not

The owner's manual stops where the repair starts. The factory repair manual picks up from there:

• Owner's manual: controls, warning lights, maintenance schedule, fluid types
• Factory repair manual: how to take parts out and put them back, the torque for every bolt, fault codes and complete wiring diagrams

Model year 2008 is part of the GMT900 Silverado generation (2007–2013). Years of the same generation share most procedures; equipment and electrical details still change from year to year, so the manual follows your VIN.

Engines available for the 2008 Silverado

• 4.3 L LU3/LG3 V6
• 4.8 L Vortec 4800 V8
• 5.3 L Vortec 5300 V8
• 6.0 L Vortec 6000 V8
• 6.2 L Vortec 6200 V8
• 6.6 L Duramax turbo-diesel V8

Transmission options

• 4-speed 4L60-E automatic
• 4-speed 2ML70 (2-mode hybrid)
• 6-speed manual (4.3 L V6 in Mexico only)
• 6-speed 6L80 automatic
• 6-speed 6L90 automatic
• 6-speed Allison 1000 automatic
• 6-speed manual (3500 in Mexico only)

The manual is made for the version in your VIN, so you don't have to work out your engine code.

Jobs owners of a 18-year-old Silverado look up most

• Wiring harness, connector and ground repairs
• Rubber hoses, seals and gaskets
• Rust repair and body panels
• Fuel pump, filter and lines
• Brake lines, hoses and master cylinder
• Glow plugs and cold-start faults
• Diesel particulate filter regeneration
• EGR valve and cooler

What NHTSA records show for the 2008 Silverado

The U.S. safety agency NHTSA lists 2 safety recalls and 1076 owner complaints for the 2008 Silverado. The repair steps for these systems are in the manual.

• Electrical System (campaign 08V441000)
• Exterior Lighting: Headlights (campaign 08E050000)

Most owner complaints concern: Air Bags (656), Electrical System (139), Unknown or Other (93), Structure (74), Engine (55).

On a 2008 vehicle the 10th character of the 17-digit VIN is “8”, a quick way to confirm the model year before you order.

Other years of the same generation: 2007 Silverado, 2009 Silverado, 2010 Silverado, 2011 Silverado, 2012 Silverado, 2013 Silverado.

More Chevrolet repair manuals: 2010 Camaro, 2008 Impala, 2008 Malibu, 2008 Tornado/Montana, 2015 City Express, 2011 Caprice, 2009 Cheyenne, 2008 Colorado, 2008 Corvette, 2008 Equinox.

How it works: you order with your VIN, we put together the GM service information for that vehicle, and the PDF reaches your inbox in 12–24 hours. It works offline and prints page by page.

Inside the manual

• General Information
• Lubrication and Maintenance
• Suspension
• Differential & Driveline
• Brakes
• Clutch
• Cooling Systems
• Battery System
• Starting System
• Charging System
• Ignition System
• Instrumental Panel System
• Audio Systems
• Horn Systems
• Speed Control System
• Turn Signal & Hazard Warning System
• Wiper & Washer System
• Lamps
• Passive Restraint
• Electrically Heated Systems
• Vehicle Theft/ Security Systems
• Chime/ Buzzer Warning Systems
• Engine
• Exhaust System & Intake Manifold
• Frame & Bumpers
• Steering
• Transmission & Transfer Case
• Tires & Wheels
• Body
• Heating & Air Conditioning
• Emission Control Systems

Your manual is built for the version in your VIN.

This video is for information. Your manual looks and works the same way, but it is not identical.

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