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2015–2019 LF (7th generation)

2015–2019 Hyundai Sonata Fluid Types and Capacities

Which transmission fluid, coolant, and brake fluid the 2015–2019 Hyundai Sonata takes, with capacities and the specifications each one has to meet. Transmission: Hyundai/SK ATF SP-IV (6-speed auto, 2.4L/2.0T); 7-speed dual-clutch uses its own DCT fluid (Eco 1.6T). Coolant: Hyundai Long Life Coolant (silicate-free); capacity not independently confirmed this session.

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2015–2019 Hyundai Sonata fluid guide

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SystemFluid type & capacity
CoolantHyundai Long Life Coolant (silicate-free); capacity not independently confirmed this session
TransmissionHyundai/SK ATF SP-IV (6-speed auto, 2.4L/2.0T); 7-speed dual-clutch uses its own DCT fluid (Eco 1.6T)
Brake fluidDOT 3 brake fluid
Power steeringElectric power steering (no fluid)

Plain washer fluid; no special spec

Which Hyundai Sonata model years does this cover?

These fluids specifications apply to every Hyundai Sonata built from 2015 through 2019 — the LF (7th generation), mid-size sedan. Nothing in this specification changes between those model years. Pick your year for the engines it offered, what changed that year, and the problems recorded against it.

What changed during the 2015–2019 Hyundai Sonata

  • 2015Generation launch on the LF platform; Eco 1.6T added
  • 2016Hybrid and Plug-in Hybrid trims join the lineup with the Nu 2.0L GDI hybrid powertrain
  • 2018Mid-cycle facelift arrives; a new mid-range SEL trim is added with Blue Link telematics, SiriusXM, HD Radio, and a power driver's seat standard (base SE and Eco lose those items as standard equipment)
  • 2018–2019Mid-cycle facelift: new front/rear styling, revised interior with digital instrument cluster option, Eco 1.6T dropped from some markets late in the run
  • 2019Final model year of the LF generation; facelifted trim lineup and styling carry over unchanged ahead of the all-new DN8 for 2020

2015–2019 Hyundai Sonata fluids: common questions

What transmission fluid does a 2015–2019 Hyundai Sonata take?

Hyundai/SK ATF SP-IV (6-speed auto, 2.4L/2.0T); 7-speed dual-clutch uses its own DCT fluid (Eco 1.6T). Transmission fluid specifications are not interchangeable. Friction modifiers differ between them, and the wrong fluid causes shudder long before it causes failure.

What coolant does a 2015–2019 Hyundai Sonata use?

Hyundai Long Life Coolant (silicate-free); capacity not independently confirmed this session.

What brake fluid does a 2015–2019 Hyundai Sonata take?

DOT 3 brake fluid.

Sources