Download professional GMC workshop manuals covering the full range — the Sierra pickup, the Yukon full-size SUV, the Acadia and Terrain crossovers, the Canyon mid-size pickup and more. Our GMC repair manuals deliver factory-level repair procedures, maintenance schedules, wiring diagrams, torque specifications and diagnostic trouble codes — the same information used in professional workshops.

What's Included:

✓ Repair procedures    ✓ Wiring diagrams    ✓ Service schedules    ✓ Technical specs    ✓ Diagnostic codes    ✓ Instant download

Most Popular GMC Workshop Manuals

• GMC Sierra (2014–2019) Workshop Manual
• GMC Yukon (2015–2020) Workshop Manual
• GMC Acadia (2007–2013) Workshop Manual
• GMC Terrain (2010–2017) Workshop Manual
• GMC Canyon (2004–2012) Workshop Manual
• GMC Envoy (2002–2009) Workshop Manual

GMC Workshop Manual FAQs

What's included in a GMC workshop manual?

Each GMC workshop manual includes step-by-step repair procedures, maintenance schedules, torque specifications and diagnostic trouble codes — the same factory-level information used in professional workshops. Most also include full wiring diagrams (see the product page for exact contents).

Is this the manufacturer's workshop manual or an owner's manual?

These are full workshop service manuals — the detailed technical documentation used for repair and overhaul, not the brief owner's handbook from the glovebox. They cover dismantling, diagnosis, repair and reassembly across the vehicle's systems, going far beyond what an owner's manual provides.

Which GMC models do you cover?

We cover the pickups (Sierra, Canyon, Sonoma, S-15), the SUVs (Yukon, Acadia, Terrain, Envoy, Jimmy), the Savana full-size van and the W-Series medium-duty truck. Many share their engineering with the equivalent Chevrolet (the Sierra with the Silverado, the Yukon with the Tahoe, the Canyon with the Colorado). The exact model and year is listed on each product page.

Do the manuals include GMC wiring diagrams?

Most of our GMC repair manuals include complete wiring diagrams — covering the electrical system, ECU pinouts, sensor locations and component layouts for accurate electrical diagnosis. Coverage can vary by model and year, so always check the individual product page for the exact contents of each manual.

What formats are available and how are they delivered?

Most GMC manuals are supplied as instant-download PDF, with selected titles provided as HTML-based manuals. The format of each title is clearly indicated on the product image and within the product description, so you can confirm exactly what you'll receive before purchasing. All formats are delivered instantly after checkout, with lifetime access on any device.

Which GMC engines are covered?

Our manuals span petrol and diesel powertrains. Petrol coverage includes the Vortec and EcoTec3 V6 and V8 engines across the Sierra, Yukon and Savana; diesel coverage includes the Duramax (Sierra HD and the Canyon's 2.8 Duramax). The exact engine is listed on each product page.

Do you cover petrol and diesel GMC models?

Yes — both the Vortec/EcoTec3 petrol V6s and V8s and the Duramax diesels are covered across the range. GMC is General Motors' truck and SUV division, sharing much with Chevrolet. If you can't find the exact GMC model or year you need — including the new electric Hummer EV and Sierra EV — please contact us and we'll do our best to source it for you.