This website uses cookies and similar technologies to enable basic site functionality, store your preferences, analyze traffic (Google Analytics) and run advertising campaigns (Google Ads). Click "Accept all" to agree, or reject the non-essential ones. Read our Privacy policy and Terms & Conditions.
Repair manuals
The Trailblazer (2017 to 2020) is a seven-seat body-on-frame SUV. It uses the 2.8-liter Duramax turbo diesel with a 6-speed automatic and 4WD.
Each Trailblazer manual covers the diesel engine, the transmission, the 4WD system, towing equipment and full wiring diagrams.
