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Discussion Starter · #1 ·
Hi

Does anyone know if an 'oil cooler' can also be referred to as an 'oil heat exchanger' or if they are two completely different things? Basically it looks like a sardine can or the casing of a pc hard drive. Its located on the left side of the engine at the bottom. Silver coloured maybe aluminium viewed down into the engine bay from the front. On the e it lays horizontally flat.

Also if anyone can identify what the two sump pans underneath the E (not the pic) belong to that'd be good. One is black the other aluminium which seems to be bolted to the underside of the cooler / exchanger?

The closest thing I can find is this on a c: (top pic)
 

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An oil cooler only cools the oil.
The heat exchanger exchanges the heat with e.g. the engine coolant.
So when the oil is cool, it is getting warmed by the engine coolant.
And when the oil is hot, it is getting cooled by the engine coolant :)
 

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An oil cooler is a heat exchanger, just as much as a radiator and the heater. The higher temp oil in the oil cooler looses its heat to the lower temp coolant, in a radiator the higher temp coolant looses heat to lower temp air.
Concluding, the oil cooler or heat exchanger are one and the same thing.
 

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Discussion Starter · #4 ·
Thanks both. The dealership mentioned the exchanger and cooler on two separate occasions so looks like maybe one and the same.
 
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