2003 Chevrolet Trailblazer transmission: CVT or automatic?
No. The 2003 Chevrolet Trailblazer uses a 4-speed automatic - none of its EPA-listed configurations has a CVT.
Key takeaways
- 4 EPA-certified configurations listed for the 2003 Chevrolet Trailblazer.
- No CVT here - use the automatic or manual transmission fluid your owner's manual specifies.
- The transmission can differ by engine and drive layout, so match your row by engine size.
| Engine | Transmission | EPA code | Drive |
|---|---|---|---|
| 4.2L 6-cylinder | 4-speed automatic | Automatic 4-spd | 4-Wheel or AWD |
| 4.2L 6-cylinder | 4-speed automatic | Automatic 4-spd | RWD |
| 5.3L 8-cylinder | 4-speed automatic | Automatic 4-spd | 4-Wheel or AWD |
| 5.3L 8-cylinder | 4-speed automatic | Automatic 4-spd | RWD |
Source: U.S. EPA / DOE fuel economy data (fueleconomy.gov). Each row is one certified configuration; a trim or option not sold in a configuration is not listed.
Useful for the 2003 Chevrolet Trailblazer
Transmission fluidMatch the specification in your owner's manualShop fluid Fluid transfer pumpFor transmissions filled through a side plugShop pumps
As an Amazon Associate we earn from qualifying purchases, at no extra cost to you.