Kia Sorento head gasket issue causing coolant and oil loss with recurring low beam bulb replacement and non-functional USB port on Kia Sorento

Submitted by Vehicle Owner · Jun 23, 2025
Published by RepairPal

Problem overview

Some Kia Sorento owners report experiencing head gasket issues that can lead to coolant and oil loss, often caused by a ruptured head gasket that allows coolant to leak into the cylinders. Signs of a failed head gasket include poor engine performance, overheating, coolant leaks, white smoke from the exhaust, and a milky discoloration in the oil. If the head gasket fails, it can result in water from the cooling system mixing with the engine's oil, creating a gooey mess in the radiator, which can be costly to repair if not addressed promptly. Additionally, some owners of the 2016 and 2017 Kia Sorento models report problems with coolant and engine oil mixing due to these head gasket issues, along with rear seatbelt concerns. Furthermore, recurring low beam bulb replacements and non-functional USB ports have been reported, which, while not directly related to the head gasket problems, are common issues that may require attention from a certified mechanic or Kia dealership.

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