Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2021 Subaru WRX BaseFACTORY OEM SERVICE PROCEDURE
General Information & Specifications: Specifications: WRX: Capacity
| Model | 2.0 L DOHC turbo | |||
| CVT | 6MT | |||
| Fuel tank | L (US gal, Imp gal) | 60 (15.9, 13.2) | ||
| Engine oil | Total capacity (at overhaul) | 6.0 (6.3, 5.3) | ||
| L (US qt, Imp qt) | ||||
| Filling amount of engine oil | When replacing engine oil and oil filter | 5.1 (5.4, 4.5) | ||
| L (US qt, Imp qt) | When replacing engine oil only | 4.9 (5.2, 4.3) | ||
| Transmission gear oil | L (US qt, Imp qt) | - | 3.3 (3.5, 2.9) | |
| CVTF | L (US qt, Imp qt) | 12.11 - 12.61 (12.8 - 13.3, 10.7 - 11.1) | - | |
| CVT front differential gear oil | L (US qt, Imp qt) | 1.3 - 1.5 (1.4 - 1.6, 1.1 - 1.3) | - | |
| Rear differential gear oil | L (US qt, Imp qt) | 0.8 (0.8, 0.7) | ||
| Engine coolant | L (US qt, Imp qt) | 8.3 (8.8, 7.3) | 8.1 (8.6, 7.2) | |
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.