2009 Chevrolet TrailBlazer Oil Type & Capacity
The 2009 Chevrolet TrailBlazer oil type depends on the engine: the 4.2 S, 4WD takes 5W-30 (7.0 quarts qt with filter); the 4.2 S, RWD takes 5W-30 (7.0 quarts qt with filter); the 6.0 H, AWD takes 5W-30 (6.0 quarts qt with filter); the 6.0 H, RWD takes 5W-30 (6.0 quarts qt with filter), per the factory service manual.
Factory-spec answer
It depends on the engine:
- 4.2 S, 4WD: 5W-30, 7.0 quarts with filter
- 4.2 S, RWD: 5W-30, 7.0 quarts with filter
- 6.0 H, AWD: 5W-30, 6.0 quarts with filter
- 6.0 H, RWD: 5W-30, 6.0 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| 4.2 S, 4WD — 4.2L Eng | API - SAE 5W-30 | 7.00 QTS. | — | Use oil that meets GM Standard GM6094M. For areas of extreme cold, where temperatures fall below -20Deg.F (-29Deg.C), it is recommended a SAE 5W-30 synthetic oil or a SAE 10W-30 oil. Both will provide easier cold starting and better protection for your engine at extremely low temperatures. |
| 4.2 S, RWD — 4.2L Eng | API - SAE 5W-30 | 7.00 QTS. | — | Use oil that meets GM Standard GM6094M. For areas of extreme cold, where temperatures fall below -20Deg.F (-29Deg.C), it is recommended a SAE 5W-30 synthetic oil or a SAE 10W-30 oil. Both will provide easier cold starting and better protection for your engine at extremely low temperatures. |
| 6.0 H, AWD — 6.0L Eng | API - SAE 5W-30 | 6.00 QTS. | — | Use oil that meets GM Standard GM4718M. For areas of extreme cold, where temperatures fall below -20Deg.F (-29Deg.C), it is recommended a SAE 5W-30 synthetic oil or a SAE 10W-30 oil. Both will provide easier cold starting and better protection for your engine at extremely low temperatures. |
| 6.0 H, RWD — 6.0L Eng | API - SAE 5W-30 | 6.00 QTS. | — | Use oil that meets GM Standard GM4718M. For areas of extreme cold, where temperatures fall below -20Deg.F (-29Deg.C), it is recommended a SAE 5W-30 synthetic oil or a SAE 10W-30 oil. Both will provide easier cold starting and better protection for your engine at extremely low temperatures. |
More factory specs & repair guides for your TrailBlazer
🛞 2009 Chevrolet TrailBlazer Tire Size & Pressure →🌧️ 2009 Chevrolet TrailBlazer Wiper Blade Sizes →💡 2009 Chevrolet TrailBlazer Light Bulb Sizes →📖 2009 Chevrolet TrailBlazer Factory Service Manual →All fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner network AllOEMManuals.com.
Coolant capacity
9.7 quarts (9.17 L) — 50/50 mixture of DEX-COOL and clean, drinkable water. All capacities are approximate. When adding, be sure to fill to the approximate level. Recheck the fluid level after filling.
Frequently asked questions
What type of oil does a 2009 Chevrolet TrailBlazer take?
It depends on the engine: 4.2 S, 4WD uses 5W-30; 4.2 S, RWD uses 5W-30; 6.0 H, AWD uses 5W-30; 6.0 H, RWD uses 5W-30.
What is the oil capacity of a 2009 Chevrolet TrailBlazer?
Oil capacity depends on the engine: 4.2 S, 4WD holds 7.0 quarts with filter; 4.2 S, RWD holds 7.0 quarts with filter; 6.0 H, AWD holds 6.0 quarts with filter; 6.0 H, RWD holds 6.0 quarts with filter.
How often should I change the oil in my 2009 Chevrolet TrailBlazer?
Most 2009 Chevrolet TrailBlazer owners follow a 5,000–7,500 mile interval with conventional oil, or up to 10,000 miles with full synthetic. Always check the oil life monitor if equipped, and consult your owner's manual — Chevrolet recommends intervals based on driving conditions, not just mileage.
Can I use synthetic oil in my 2009 Chevrolet TrailBlazer?
Yes. 5W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 2009 Chevrolet TrailBlazer. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.