I can't tell you exactly how it is done but it is one of the parameters that can be altered to suit the end user's needs or wants, i.e. the same as changing the cruise set speeds, speed limit on the truck, how the cruise switches work and so on and so forth. It is usually done by a dealer for whoever made the engine.
MBN questions
Discussion in 'Trucks [ Eighteen Wheelers ]' started by Freightlinerbob, Jun 7, 2015.
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or air cooler
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It's not and never has been anything that could be changed by any dealer on an electronic CAT. The fan comes on at 217* period, end of story.
truckon, Diesel Dave and lester Thank this. -
Last edited: Jun 8, 2015
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a lot of people think the temp for the fan can be changed. it cant. the fan coming on at a cooler temp is usually the result of ecm modifications. I will bet it is coming on sooner as a result of air temp going in to the engine.
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SOOOOOOOORY I apparently made a mistake.
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go to mhhauto. there is a cat guy who can tell you what to do and how change it.
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