What transmission fluid & how many liters for Hyundai / Kia 7-DCT (D7UF1 / D7GF1) & 6AT?

Transmission Hyundai / Kia 7-DCT (D7UF1 / D7GF1) & 6AT (7-Speed 7-DCT Dual-Clutch Transmission & 6-Speed Torque-Converter Auto) requires fluid specification: Dry 7-DCT: SAE 70W API GL-4 (HK MTF 70W) • Torque-converter 6AT: ATF SP-IV. Exact service fill capacity: 1.9 – 2.1 L (7-DCT mechanical gearset) / 6.5 – 7.3 L (6AT torque-converter automatic).

⚙️ DSG 6 ⚙️ DSG 7 ⚙️ DSG 7 ⚙️ DSG 7 ⚙️ Haldex 4th & 5th Gen ⚙️ ZF 8HP ⚙️ ZF 6HP ⚙️ Aisin TF-80SC / EAT6 / EAT8 / AQ250 ⚙️ Ford Powershift ⚙️ Mercedes 7G-Tronic ⚙️ Audi S-Tronic 7st. ⚙️ Hyundai / Kia 7-DCT ⚙️ Renault EDC ⚙️ Toyota e-CVT Hybrid ⚙️ 6-Speed Manual M32 ⚙️ VAG 5/6-Speed Manual

Transmission & 4x4 Fluid Service Guide • Hyundai / Kia 7-DCT (D7UF1 / D7GF1) & 6AT

Hyundai / Kia 7-DCT (D7UF1 / D7GF1) & 6AT: 7-Speed 7-DCT Dual-Clutch Transmission & 6-Speed Torque-Converter Auto

Q: When to change transmission fluid in Hyundai / Kia 7-DCT (D7UF1 / D7GF1) & 6AT?

Recommended fluid change interval for Hyundai / Kia 7-DCT (D7UF1 / D7GF1) & 6AT: Every 60,000 km! The 7-DCT gearbox uses dry clutches actuated by electric motors, while the gearset itself requires fresh ultra-low-viscosity SAE 70W oil.

Vehicles equipped with this transmission: Hyundai i30, Tucson, Kona, i40, Kia Ceed, Proceed, XCeed, Sportage, Optima (1.4 T-GDI, 1.5 T-GDI, 1.6 T-GDI, 1.6 CRDi, 1.7 CRDi)

🛢️ Required Transmission Fluid Spec

Dry 7-DCT: SAE 70W API GL-4 (HK MTF 70W) • Torque-converter 6AT: ATF SP-IV

💧 Exact Fluid Capacity in Liters

1.9 – 2.1 L (7-DCT mechanical gearset) / 6.5 – 7.3 L (6AT torque-converter automatic)

⏱️ Recommended Service Interval

Every 60,000 km! The 7-DCT gearbox uses dry clutches actuated by electric motors, while the gearset itself requires fresh ultra-low-viscosity SAE 70W oil.

⚠️ Symptoms of Old Fluid or Wear

Juddering/vibration when pulling away uphill or in traffic (worn 7-DCT dual-clutch pack), stiff shifting when cold.