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    Oil pressure issues in a Volkswagen Polo TSI

    Volkswagen Volkswagen Advice Volkswagen Polo Volkswagen Polo Advice

    I have a VW Polo with a TSI engine. I've been getting an oil pressure light on my cluster and a few days after that I found oil in my coolant bottle. The engine was stripped and was assessed by engineers. Engine was perfect so I replaced the head-gasket only. Drove the car with new coolant and it's doing the same thing again. Could the problem be a faulty oil cooler?

    Answered by CarsGuide
    17 January 2024
    David Morley

    You could well be on the right track here. Many cars with transmission coolers place them in the car's radiator so that the liquid that cools the engine, also cools the transmission. But if the transmission cooler fails, that can allow transmission fluid into the car's coolant system which might account for the oil you're seeing in your coolant bottle. Many mis-diagnose this as a blown head gasket because the outward symptoms are very similar.

    If this is the case, the bad news is that coolant has probably also entered the transmission potentially wrecking the mechanical parts and frying the electronic bits.

    Disclaimer: You acknowledge and agree that all answers are provided as a general guide only and should not be relied upon as bespoke advice. Carsguide is not liable for the accuracy of any information provided in the answers.
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