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Oil Filter Heat Exchanger Gasket Replacement

Model: Mazda Cx7 MK 1 - Years 2006-2012
Part: Checks and maintenance

To replace the gasket of the oil filter heat exchanger, proceed as follows: drain the engine oil through the designated drain plug located under the oil sump, extract the oil filter cartridge, which is located right in front of the sump, by unscrewing the plug underneath. Disconnect the engine oil pressure bulb and unscrew the fastening bolts of the oil filter support, paying attention to the gasket between the support and the engine block. At this point, it is possible to separate the heat exchanger from the oil filter support and replace the internal gasket, aligning it with the respective centring tabs.

Updated on 15 February 2026 by ScegliAuto

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