Golddog Posted April 2, 2020 Share Posted April 2, 2020 I have an 01 RD E7 427 that the fan wont shut off properly. When you start the truck its off as it should and stays off until it gets to 180 deg. The fan then comes on but will not shut off again until you shut the truck off and it cools down. It just seems to hover right around 180. I’m not sure what the engage and disengage temps should be and if one sensor controls both or if one turns it on and one turns it off. When I call my dealer they tell me to google it. Any help, advice or direction would be greatly appreciated . Quote Link to comment https://www.bigmacktrucks.com/topic/61835-e7-fan-doesn%E2%80%99t-shut-off/ Share on other sites More sharing options...
j hancock Posted April 2, 2020 Share Posted April 2, 2020 Take a look at this thread. It may help with your situation. 1 Quote JimIt doesn't cost anything to pay attention. Link to comment https://www.bigmacktrucks.com/topic/61835-e7-fan-doesn%E2%80%99t-shut-off/#findComment-447522 Share on other sites More sharing options...
Golddog Posted April 3, 2020 Author Share Posted April 3, 2020 What temp should the fan kick on? Mine is coming on at 180 which seems low because that is thermostat temp so how would it kick off because it wont get any cooler . Quote Link to comment https://www.bigmacktrucks.com/topic/61835-e7-fan-doesn%E2%80%99t-shut-off/#findComment-447583 Share on other sites More sharing options...
j hancock Posted April 3, 2020 Share Posted April 3, 2020 Usually 10 over the thermostat temp. Quote JimIt doesn't cost anything to pay attention. Link to comment https://www.bigmacktrucks.com/topic/61835-e7-fan-doesn%E2%80%99t-shut-off/#findComment-447635 Share on other sites More sharing options...
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