Chevrolet Trailblazer maintenance by mileage
How often owners do it
Engine oil and filterevery 6,000 mi
Engine air filterevery 6,000 mi
Cabin air filterevery 6,500 mi
When the bigger jobs come up
Tire rotationaround 24,000 mi
Batteryaround 34,000 mi
Rear brake pads or shoesaround 49,000 mi
Brake fluidaround 37,000 mi
Tiresaround 31,000 mi
Wheel alignmentaround 33,000 mi
All 15 jobs, by mileage
| Job | Usually at | Most between | Again every | Visits |
|---|---|---|---|---|
| Engine air filter | 20,000 mi | 11,000–35,000 mi | 6,000 mi | 2,723 |
| Engine oil and filter | 21,000 mi | 11,000–36,000 mi | 6,000 mi | 10,184 |
| Cabin air filter | 23,000 mi | 13,000–36,000 mi | 6,500 mi | 1,675 |
| Tire rotation | 24,000 mi | 16,000–34,000 mi | – | 329 |
| Tires | 31,000 mi | 19,000–45,000 mi | – | 272 |
| Wheel alignment | 33,000 mi | 20,000–45,000 mi | – | 261 |
| Battery | 34,000 mi | 22,000–48,000 mi | – | 305 |
| Wiper blades | 35,000 mi | 23,000–49,000 mi | – | 74 |
| Brake fluid | 37,000 mi | 28,000–51,000 mi | – | 294 |
| Coolant (antifreeze) | 39,000 mi | 24,000–52,000 mi | – | 110 |
| Transmission fluid | 47,000 mi | 37,000–61,000 mi | – | 161 |
| Spark plugs | 48,000 mi | 40,000–67,000 mi | – | 45 |
| Rear brake pads or shoes | 49,000 mi | 38,000–63,000 mi | – | 304 |
| Brake rotors (replace or resurface) | 49,000 mi | 37,000–59,000 mi | – | 44 |
| Front brake pads | 54,000 mi | 43,000–75,000 mi | – | 94 |
From 11,575 visits to independent repair shops in South Korea, 2020–2026 (model years mostly 2021–2023). Mileage converted from km and rounded; Korean-market cars can differ from US ones. Your owner’s manual comes first.