Chevrolet Trailblazer owners have reported 604 engine and engine cooling related problems since 1996. Table 1 shows the 36 most common engine and engine cooling problems. The number one most common problem is related to the vehicle's engine and engine cooling (207 problems). The second most common problem is related to the vehicle's cooling fan (60 problems). For details of each of the problem category, use the links in the table.
The two components that failed were the water pump and the coolant control valve which caused the engine to overheat, resulting in me having to pull over along the side of a busy highway putting me at risk for injury while the vehicle cooled down. It would be available for inspection upon request. Read details...
While highway driving with cruise control engaged I heard a loud whining sound and experienced a sudden loss of power. I was almost hit from behind several times before I could get the vehicle over into the right lane. Read details...
Vehicle was taken to dealership Feb 2026 for turbo/wastegate repair (p0299). March 22, 2026, vehicle stalled and screen said to shift to neutral and push to start again. Car would crank but not start (sounds like there is no compression). Read details...
Stop it starts jerking and check engine light flashs head went bad at 109 thosand miles Read details...
The exhaust manifold in my 2008 chevy Trailblazer has broken now three times. The chevy dealer has changed the manifold twice for free but now they no longer want to pay for it plus I asked if they have made a change to the cast iron manifold and they tell me the part number changed in 2011 but my Read details...