Here's a look inside the Kia and Hyundai Lambda II V6 engine and how it works!

The Lambda II series of engines are used in both FWD and RWD applications, from the Kia Sedona and Hyundai Santa Fe to the Hyundai Genesis and currently the Hyundai Pallisade and Kia Telluride. They range from 3.3 to 3.8L, have an all aluminum construction, dual variable valve timing powered by timing chains, an external water pump. Earlier versions were port injected, while newer models are direct injected.

Common issues include overheating due to headgasket failures and oil burning. These engines were not as unreliable and catastrophic as their 4 cylinder cousins, the Theta 2 engines, of which a teardown can be found here:

   • Why Hyundai Engines FAIL  

The engine in this video is from a 2012 Kia Sedona with 190,000km on it and suffered a head-gasket failure causing the oil and coolant to mix. Overall the engine has a very simplistic design reminiscent of Toyota V6's.

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