- PrintableYes
- Works onPC, Mac, iPhone, iPad, Android phones and tablets
- SoftwareWe recommend Sumatra PDF as PDF reader
2008 GMC Sierra 2500 HD / 3500 HD repair manual
$79.99
- Do the labor yourself. On most repairs the shop’s labor costs more than the parts. With the factory procedure you can do that part yourself.
- Built for your VIN. Your engine, transmission and options, so you don’t have to guess which section applies.
- Factory steps, specs and wiring. Repair procedures with illustrations, torque values and the complete wiring diagrams.
- Find any job in seconds. Searchable PDF with a full index and bookmarks.
- In your inbox in 12–24 hours. Yours to keep, on any computer, phone or tablet.
Description
2008 GMC Sierra 2500 HD / 3500 HD OEM service and repair manual, GMT900 – VIN-specific PDF
The 2008 GMC Sierra 2500 HD / 3500 HD (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 Sierra 2500 HD / 3500 HD. The 2008 Sierra 2500 HD / 3500 HD was offered with two engines and two transmissions (listed below); we build your manual for the combination your VIN shows.
This page is for the heavy-duty 2008 Sierra 2500 HD and 3500 HD. For the light-duty truck, see the 2008 GMC Sierra 1500 manual.
The Google Top Quality Store badge, without a subscription. Pay once for this manual; there is no monthly fee and nothing to cancel later.
The difference you get
- 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
- Complete wiring diagrams and connector views, not just the mechanical sections
- Computer, phone or tablet: no app needed, and you can print the pages you work from
- A real person checks every order and the VIN before the manual is built
- A Google Top Quality Store, online since 2015
Owner's manual or repair manual?
The owner's manual in the glovebox explains the controls and the service intervals. This is the other book, the one technicians work from:
- Owner's manual: controls, warning lights, maintenance schedule, fluid types
- Factory repair manual: diagnosis by trouble code, step-by-step repairs, tightening torques, wiring diagrams and connector views
The 2008 Sierra 2500 HD / 3500 HD belongs to the GMT900 Sierra HD generation, model years 2007–2014. Most procedures are shared with the other years of this generation, but options, software and wiring changed along the way, which is why the manual is built for your VIN.
Engines available for the 2008 Sierra 2500 HD / 3500 HD
- 6.0L V8 gasoline
- 6.6L Duramax V8 turbo diesel
Transmission options
- 6-speed automatic
- Allison 1000 6-speed automatic
Your manual is built for your version only: the VIN tells us the exact engine and transmission.
Typical repairs for a 2008 Sierra 2500 HD / 3500 HD
- Ignition components and idle problems
- Suspension bushings and steering play
- Cooling system overhaul
- Wiring harness, connector and ground repairs
- Rubber hoses, seals and gaskets
- Glow plugs and cold-start faults
- Diesel particulate filter regeneration
- EGR valve and cooler
What NHTSA records show for the 2008 Sierra 2500 HD / 3500 HD
The U.S. safety agency NHTSA lists 3 safety recalls for the 2008 Sierra 2500 HD / 3500 HD. When a part on this list fails out of warranty, the manual shows how to test and replace it.
- Air Bags: Inflator Module (campaign 20V011000)
- Electrical System (campaign 14V407000)
- Air Bags: Inflator Module (campaign 15V324000)
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.
Also for GMC: 2008 Yukon, 2008 Acadia, 2008 Canyon, 2008 Savana, 2008 Sierra, 2010 Terrain.
From order to PDF
- Checkout asks for your VIN
- The manual is built for that VIN only
- Delivery by email in 12–24 hours
- Searchable PDF with bookmarks and hyperlinks, works offline
Sections of the 2008 Sierra 2500 HD / 3500 HD service manual
- Vehicle identification and general information
- Lubrication and scheduled maintenance
- Engine: removal, overhaul and timing
- Engine cooling
- Fuel and engine controls
- Starting, charging and battery
- Exhaust and emissions
- Transmission and transfer case
- Axles, driveline and wheel bearings
- Front and rear suspension
- Steering column and gear
- Brake system and ABS
- Climate control
- Supplemental restraint system
- Body repair and dimensions
- Interior and exterior trim
- Power windows, locks and mirrors
- Lighting
- Instrument cluster and warning lights
- Wiring diagrams and connector views
- Diagnostics and trouble codes
Versions offered
Engines:
- 6.0L V8 gasoline
- 6.6L Duramax V8 turbo diesel
Transmissions:
- 6-speed automatic
- Allison 1000 6-speed automatic
Your manual is built for the version in your VIN.
Video
This video is for information. Your manual looks and works the same way, but it is not identical.
Delivery
Free, by email in 12-24 hours.
