Hyundai's 2.0L and 2.4L Theta II Engine

This engine runs hot, stays hot, and doesn't have enough oil to do anything about it.

Photo of Theta II
  • The Theta II engine has a lot of problems.
  • Allows contaminates to enter the oil supply. Leading to knocking noises, stalling, a reduction in power, and sludge.
  • When the oil becomes too thick with contaminants it can fail abrubtly.
  • THe engine should be covered under the manufacturers 10-year, 100,000 mile powertrain warranty
  • Owners denied warranty claims even when they present oil change receipts. Hyundai and Kia place th blame on maintenance or after-market oil filters.

Quick Stats

Codename
NF
Years
2007-Present
Type
DOHC Inline-Four
Turbo
no
Oil Capacity
Watercooled
Oil System
Pressure Fed
Cooling
N/A

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