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.
2018 Hyundai Sonata EcoTransmission Fluid Type & Capacity
OEM transmission fluid spec from the factory service manual for the 2018-2019 (2018-2019).
Quick Answer
Transmission Fluid
2.00 QTS. (1.89 L) — HL SYN DCTF 70W (SK) SPIRAX S6 GHME 70W DCTF (H.K. SHELL) GS SCTF HD 70W (GS CALTEX (API - GL-4, SAE 70W)
Source: Factory service manual — 2018 Hyundai Sonata Eco 2018-2019.
This vehicle's factory manual
2018 Hyundai Sonata Eco: confirm the engine, trim, or drivetrain to open the available repair and diagnosis sections.
What You'll Need
Related for Your 2018 Hyundai Sonata Eco
Frequently Asked Questions
- What transmission fluid does a 2018 Hyundai Sonata Eco use?
- The 2018 Hyundai Sonata Eco uses 2.00 QTS. (1.89 L) — HL SYN DCTF 70W (SK) SPIRAX S6 GHME 70W DCTF (H.K. SHELL) GS SCTF HD 70W (GS CALTEX (API - GL-4, SAE 70W).
- How much transmission fluid does a 2018 Hyundai Sonata Eco take?
- Refer to the factory service manual for the exact transmission fluid capacity.
- When should I change the transmission fluid in my 2018 Hyundai Sonata Eco?
- Most manufacturers recommend transmission fluid changes every 30,000–60,000 miles for automatics. Check your factory service manual for the exact interval.