I have car manual which says:
10W30. For Ambient temperature -25°C to 30°C
5W30. For Ambient temperature not more than -10°C
This is not the 1st car manual saying such things. Now, my understanding has always been, 5W30 should also be usable up to 30°C but apparently not. Any reason why? BTW, car are not being used in the freezing Arctic.
10W30. For Ambient temperature -25°C to 30°C
5W30. For Ambient temperature not more than -10°C
This is not the 1st car manual saying such things. Now, my understanding has always been, 5W30 should also be usable up to 30°C but apparently not. Any reason why? BTW, car are not being used in the freezing Arctic.
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