Dave K
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Posts posted by Dave K
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On 1/25/2023 at 10:19 PM, Dave K said:
I am new here on the forum so wanted to thank you all for posting this info. It is helpful as I have 2 Coleman UT400's (2020 & 2021 models) Found similar issues as you Ray. So, this is what I've found so far. The overheating/temp light is on. No leaks and isn't low on coolant. Fan is not turning on, unless I jump 12 volts to it then works fine. All fuses in fuse box under seat are working and not blown. The temp sensor located on engine seems to have an open when doing an OLM test with meter. Tested the other SXS's known good one and got an OLM reading. So, I swapped them and didn't make a change on either SXS. Back to the drawing board until now. Ill check the thermistor switch soon and get back to you on my results. In the meantime, Ray did your parts come in? and any progress or updates? Also unrelated I believe... both horns on the same vehicle don't work. Haven't got far yet on testing them but has voltage to them from switch, but not sure of ground. Figured I'd ask if anyone had any info while on here. I'll be doing more diagnosis soon and will update if anything changes. Just thought it was strange both horns are inoperable. Thanks again for your advice.
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I am new here on the forum so wanted to thank you all for posting this info. It is helpful as I have 2 Coleman UT400's (2020 & 2021 models) Found similar issues as you Ray. So, this is what I've found so far. The overheating/temp light is on. No leaks and isn't low on coolant. Fan is not turning on, unless I jump 12 volts to it then works fine. All fuses in fuse box under seat are working and not blown. The temp sensor located on engine seems to have an open when doing an OLM test with meter. Tested the other SXS's known good one and got an OLM reading. So, I swapped them and didn't make a change on either SXS. Back to the drawing board until now. Ill check the thermistor switch soon and get back to you on my results. In the meantime, Ray did your parts come in? and any progress or updates? Also unrelated I believe... both horns on the same vehicle don't work. Haven't got far yet on testing them but has voltage to them from switch, but not sure of ground. Figured I'd ask if anyone had any info while on here. I'll be doing more diagnosis soon and will update if anything changes. Just thought it was strange both horns are inoperable. Thanks again for your advice.
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On 12/31/2022 at 7:02 AM, Rey Ximenes said:
OK, a little follow up. I ordered all the parts but none have arrived as of this time. Closer exam of the plug to the thermistor revealed heat damage and testing of the thermistor showed it to be "open" and not to close at running temp. It is fried! I fashioned a jumper wire across the plug wires on the thermistor that can be easily removed once I get the parts. 😬The fan now runs whenever the power is on and it seems to be running smoothly. It hasn't overheated yet. The coolant fill went ok but it kept getting air in the circuit. Curiously, keeping the front end of the UTV up on a jack raised the front end and made this easier to do without getting the air. I did still have to use the air bleed screw at the motor.
Coleman UTV 400 Overheating
in Coleman UTV SxS Forum
Posted
Radiator, Sensor, Water, Temp, Fan Switch,UTV,400,500,700,800,Hisun,Massimo,Tsc,MSU
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