Chevrolet Trailblazer Ext problems, recalls & best years
The deets on every Trailblazer Ext from 2002 to 2006: 863 owner complaints and 13 recalls across 4 model years.
The model years with the most owner complaints are 2003 (313), 2004 (261), 2006 (189). Best fuel economy: 16 mpg combined (2006).
.jpg){kind=link}
Problem areas across all years
Year by year
Want the full repair deets? Get the factory manual.
Recall and complaint data tells you what goes wrong. A service manual tells you how to fix it: torque specs, wiring diagrams, fluid capacities and step-by-step procedures for the Chevrolet Trailblazer Ext.
Closest thing to the factory manual for most years. Pay once, keep it.
Most $25–$78, one-timePro-shop repair procedures, wiring diagrams and TSBs for your exact car.
From $19.99/mo · $39.99/yrOEM procedures, specs and recall/TSB info, the same source many shops use.
From $19.99/mo · $59.99/yrStep-by-step photos written from a real teardown. Great for first-timers.
Books ~$30–$40 · AllAccess $34.99/moHeads up: we may earn a commission if you buy through these links, at no extra cost to you. Prices checked 2026-10 and can change. We never host or link to pirated manuals. Disclosure
FAQ
What is the worst year for the Chevrolet Trailblazer Ext?
The model years with the most owner complaints are 2003 (313), 2004 (261), 2006 (189).
How many recalls has the Chevrolet Trailblazer Ext had?
Across 2002–2006, NHTSA lists 13 vehicle recall campaigns by model year (a campaign that covers several years counts once per year).