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Free to use workshop manual for your 2015+ Mk4 'ND' Mazda MX-5
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OIL COOLER

Purpose/Function

  • The oil cooler constantly maintains maximum ATF performance in the transmission by maintaining an optimum ATF temperature which has the effect of achieving reduced fuel consumption.

Construction/Operation

  • A water-cooling type AT oil cooler is adopted and installed in the radiator.

  • The oil cooler performs the following operations according to the ATF temperature condition:

    • Heating function: Warms the ATF using the radiator coolant to promote an earlier increase in the ATF temperature when its temperature is low. As a result of the earlier temperature increase, the ATF viscosity decreases which reduces drag in the transmission.

    • Cooling function: Cools the ATF using the radiator coolant to maintain optimum conditions and prevent ATF expansion and deterioration.

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Free to use workshop manual for your 2015+ Mk4 'ND' Mazda MX-5

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