Quote:
Originally Posted by jeff88
So what I'm interested in is first, does the cooler make the trans take longer to warm up or does it not 'open' until the ATF gets to a certain temp threshold? Second, if sized too large can the cooler actually over cool the ATF after it gets to operating temp.?
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1. I have never heard of a transmission thermostat, but that doesn't mean they don't exist.
2. Over-cool isn't a practical concern as far as wear is concerned, but fuel economy could take a slight dip if the trans fluid temp never gets much above ambient.