Chevrolet TrailBlazer 4WD Engine Oil Specs
Engine oil type, capacity & service interval for the Chevrolet TrailBlazer 4WD (2002–2009). Select your year below for full specifications.
Choose TrailBlazer 4WD year
Oil grade changes by year
Do not assume every Chevrolet TrailBlazer 4WD year uses the same oil. Some years specify 5W-30 (years 2009, 2008, 2007, 2006, 2005, 2004, 2002) while others specify 5W-20 (years 2003). Select your exact year and engine configuration before buying oil.
Select Year – Chevrolet TrailBlazer 4WD Engine Oil
8 years foundChevrolet TrailBlazer 4WD Engine Oil Specs by Year
All 8 years| Year | Engine | Oil Grade | Capacity | Interval | |
|---|---|---|---|---|---|
| 2009 | 5.3L 8-Cylinder | 5W-30 | 7.0 qt | 5,000 mi | View → |
| 2008 | 5.3L 8-Cylinder | 5W-30 | 7.0 qt | 5,000 mi | View → |
| 2007 | 5.3L 8-Cylinder | 5W-30 | 7.0 qt | 5,000 mi | View → |
| 2006 | 5.3L 8-Cylinder | 5W-30 | 6.5 qt | 5,000 mi | View → |
| 2005 | 4.2L 6-Cylinder | 5W-30 | 4.5 qt | 7,500 mi | View → |
| 2004 | 4.2L 6-Cylinder | 5W-30 | 4.5 qt | 5,000 mi | View → |
| 2003 | 4.2L 6-Cylinder | 5W-20 | 4.0 qt | 5,000 mi | View → |
| 2002 | 4.2L 6-Cylinder | 5W-30 | 4.5 qt | 5,000 mi | View → |
Chevrolet TrailBlazer 4WD Engine Oil Guide
The Chevrolet TrailBlazer 4WD was produced from 2002 to 2009. This model typically uses 5W-30 full synthetic engine oil — a specification common to most Chevrolet Tra-series vehicles.
Selecting the correct oil viscosity for your Chevrolet TrailBlazer 4WD is essential. Using a grade that is too thin reduces protection at operating temperature, while too thick an oil impairs cold-start flow and reduces fuel economy. Always match the exact grade shown for your specific model year.
The recommended oil change interval for the Chevrolet TrailBlazer 4WD is every 5,000 miles or 6 months. Under severe driving conditions — track use, towing, or frequent cold starts — shorten this interval by 25–30%.
When servicing your Chevrolet TrailBlazer 4WD, always replace the oil filter at every oil change. Using a quality filter — such as ACDelco or Mobil 1 filters matching GM specifications — helps maintain optimal filtration.
Oil change costs for the Chevrolet TrailBlazer 4WD at a US dealership or local service center typically range from $60 to $110 for a standard synthetic blend or full synthetic service. DIY oil changes cost approximately $30–$65 in parts (oil + filter) and take about 30 minutes with the right tools.
Always consult your vehicle's owner's manual to confirm the exact specification for your specific trim and engine variant, as some Chevrolet TrailBlazer 4WD configurations may have different requirements.
General Motors engines require oil certified with the dexos1 Gen 3 or dexos2 standard to protect direct-injection valvetrains.
Reset the Engine Oil Life system via the driver information center or by pumping the accelerator pedal three times with ignition ON.