Custom Vehicle Discussions > CVO™ Limited

Check and temp light STILL ON

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Chad H:
I have a 2015 CVO Limited with only 15,000 miles. I bout a year ago and have really been enjoying it. In October, a bunch of friends and took a trip and I put about 1000 miles on it in four days. The last day, on the way home, the CEL and temperature light came on so I pulled over and checked everything out. I already knew these bikes were prone to having issues with the water pump, so after making sure the fluid was good, and nothing obvious wrong, I made the decision to continue on with the last 100 miles or so to get home. When I got home, ordered a new water pump, thermostat and coolant temperature sensor. When everything was delivered,I replaced it all, confident the problem would fixed. I hopped on and went for a test ride. After about 8 miles, the lights are back on.  Today, I finally had enough time to replace the head temperature sensor just in case, but once again, both lights on after about 10 miles.
I have done the engine OFF test and the water pump and fans work, but they do not come on while the engine is running, even when the CEL and temperature light is on. I felt of all the hoses and they very hot to the touch but the fluid in the overflow reservoir and the radiator cap are both cool.

I'm lost. Does anyone have any ideas?

Eqcons:
As far as I recall, when the later pump is installed, you no longer have a thermostat. It's a few years since I replaced my pump, so memory is hazy - but maybe you need to remove the thermostat.... I'm sure someone with better knowledge than me will answer though.

kojak:
Did you pull any codes?

kojak:
 "I felt of all the hoses and they very hot to the touch but the fluid in the overflow reservoir and the radiator cap are both cool."
Which means the coolant is not circulating. As you have already replaced the M8 waterpump assembly and have tested the Fan and Pump for functionality,  there is a procedure for bleeding off the coolant system to get rid of air bubbles that might be keeping your fluid from circulating. Good luck with fixing your bike.

vtwinjim:
There have been issues with the wiring getting pinched by the fuel tank causing warning light to come.
The throttle test should cause the fans to come on but there's no guarantee the pump impellor is actually turning.
One failure is the pump wires break and then the fans won't come on.
On my bike the impeller actually quit turning/broke off internally. So the fans came on, the pump motor turned but no flow of coolant.
With the bike hot, use throttle to turn pump/fans on and verify the air flowing thru the radiators is warm/hot.
Without water circulation, the air will won't be warm/hot.

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