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jdp
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« on: September 18, 2021, 06:15:10 PM » |
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I was in ocean city bike week today and it was terrible hot and my interstate ran hot for the first time, coolant is full and my fan is kicking on but my hot light came on I stopped and let it cool off but now my fan is coming on all the time early, what would I check first my water pump? Thanks,jim
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RonW
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« Reply #1 on: September 18, 2021, 06:43:41 PM » |
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i would check coolant level
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2000 Valkyrie Tourer
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Chrisj CMA
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« Reply #2 on: September 18, 2021, 06:45:32 PM » |
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I was in ocean city bike week today and it was terrible hot and my interstate ran hot for the first time, coolant is full and my fan is kicking on but my hot light came on I stopped and let it cool off but now my fan is coming on all the time early, what would I check first my water pump? Thanks,jim
Typically the water pump will seep coolant when it’s going bad. It’s also not common unless you run coolant with silicates by accident. Are you checking the coolant level in the radiator or just the overflow? If the radiator is full but the fan comes on very early I would suspect the thermostat before the water pump. That is assuming the pump isint dripping fluid when the engine is running. |
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jdp
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« Reply #3 on: September 18, 2021, 06:54:57 PM » |
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Yeah thanks I just got home and will check it tomorrow , I was checking the fluid at the overflow tank and not the radiator but will check that tomorrow, I was thinking thermostat too, I’ll check my baby out tomorrow from the radiator, thanks, I will post what I found
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Valker
Member
Posts: 2995
Wahoo!!!!
Texas Panhandle
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« Reply #4 on: September 18, 2021, 07:08:10 PM » |
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Remember that there’s a set screw in the radiator cap which must be backed out before you can safely remove the cap.
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I ride a motorcycle because nothing transports me as quickly from where I am to who I am.
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jdp
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« Reply #5 on: September 18, 2021, 07:58:26 PM » |
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Ok thanks
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Randy52
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« Reply #6 on: September 19, 2021, 12:13:08 AM » |
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I had a running hot problem after running the back roads in Nebraska, radiator plugged with grasshopper parts. Carefully flushed out radiator with garden hose. Solved problem. If you have decrative radiator cover maybe take it off. Some of those things look like they would really restrict air flow.
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jdp
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« Reply #7 on: September 19, 2021, 07:55:49 AM » |
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Ok well I checked the coolant at the radiator and it was full so I started it up let it run for about a hour and the fan kicks on cools down shuts off like it’s supposed to do and the light never came on, do you think it was just the outside temperature and stop and go traffic? Because I never lost any antifreeze just the light came on that one time. I ordered an OEM thermostat and o ring just Incase
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Chrisj CMA
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« Reply #8 on: September 19, 2021, 10:53:38 AM » |
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Ok well I checked the coolant at the radiator and it was full so I started it up let it run for about a hour and the fan kicks on cools down shuts off like it’s supposed to do and the light never came on, do you think it was just the outside temperature and stop and go traffic? Because I never lost any antifreeze just the light came on that one time. I ordered an OEM thermostat and o ring just Incase
Sounds ok to me. Just keep an eye on it. Contrary to what we would like. These bikes are really still air cooled. The radiator helps but they can’t idle all day in the heat like a car without overheating. |
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98valk
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« Reply #9 on: September 19, 2021, 02:55:11 PM » |
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Ok well I checked the coolant at the radiator and it was full so I started it up let it run for about a hour and the fan kicks on cools down shuts off like it’s supposed to do and the light never came on, do you think it was just the outside temperature and stop and go traffic? Because I never lost any antifreeze just the light came on that one time. I ordered an OEM thermostat and o ring just Incase
running the wrong carb jetting whereas it is much too rich will cause the engine to run hot, raw fuel is igniting outside of the firing order. |
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1998 Std/Tourer, 2007 DR200SE, 1981 CB900C 10speed
1973 Duster 340 4-speed rare A/C, 2001 F250 4x4 7.3L, 6sp
"Our Constitution was made only for a Moral and Religious people. It is wholly inadequate to the goverment of any other."
John Adams 10/11/1798
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jdp
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« Reply #10 on: September 19, 2021, 03:26:20 PM » |
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I was thinking of putting a temp gauge on to keep an eye on that, do you know what the temperature at the radiator would be ? I have a trail tech temperature gauge that the wire slips in the radiator fins 10 mm, the part number is #732-EF6 if you want to see halo it works, I run them on my dirt bikes and they work really good
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Willow
Administrator
Member
Posts: 16597
Excessive comfort breeds weakness. PttP
Olathe, KS
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« Reply #11 on: September 20, 2021, 10:12:31 AM » |
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For what it's worth the temp light should not come on everytime the fan runs. The temp light indicates a problem beyond just requiring the fan to cool.
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Bagger John - #3785
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« Reply #12 on: September 20, 2021, 10:32:11 AM » |
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I was thinking of putting a temp gauge on to keep an eye on that, do you know what the temperature at the radiator would be ? I have a trail tech temperature gauge that the wire slips in the radiator fins 10 mm, the part number is #732-EF6 if you want to see halo it works, I run them on my dirt bikes and they work really good
I've put water temp gauges on every Valkyrie I've owned, save one. Also on my VTX1800. These are fed by sensors that thread into adapters placed into coolant galleys in the engine, into a drilled boss in the thermostat housing or inside an adapter which is placed into the coolant hose that feeds into the radiator. Fan comes on at 204-208F (indicated) and goes off around 190F (indicated) - assuming it's warm enough outside to cause the engine to run hot in the first place. Per Carl's observation, the Coolant Temp light should never come on unless there's something seriously wrong with the system. What's the history of the coolant in the motor? How about the radiator cap? I'd also look at the thermostat as others have suggested. |
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Valker
Member
Posts: 2995
Wahoo!!!!
Texas Panhandle
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« Reply #13 on: September 20, 2021, 12:42:57 PM » |
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Is there a step by step Instruction sheet that tells you how to add a coolant temp gauge?
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I ride a motorcycle because nothing transports me as quickly from where I am to who I am.
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Bagger John - #3785
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« Reply #14 on: September 20, 2021, 01:11:22 PM » |
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There used to be a couple of Shop Talk articles. Jim Lantz (AlbqJim - RIP) custom-machined a coolant tube adapter for the sender used with a water temp gauge. The member he made this for wrote the install up. MC Enterprises offered a commercially packaged version of a Cyberdyne (Intellitronix) water temp gauge including a handlebar mounted gauge cup. Rather than using their supplied sender mount, I installed the sender in an unused boss on the thermostat housing. Remove, drill and tap for 1/8 NPT, install sender, install housing and run wire to gauge. The Valkyrie kit's sender mount went on my VTX1800 when I put gauges on it. Motosens offered a water temp gauge for our bikes that had the sender mounted in an adapter that screws into one of the coolant galleys, this by removing a factory-affixed threaded plug. This page should give one enough information to figure out the sender mounting requirements as well as a list of things to look for: http://www.motosens.com/usa/f6c_e.htmSadly, Motosens is no longer in business. A lot of the how-tos on the old Tech Board have gone by the wayside as well. I documented a TON of this stuff back in the day. |
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« Last Edit: September 20, 2021, 01:16:15 PM by Bagger John - #3785 »
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Rio Wil
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« Reply #15 on: September 20, 2021, 02:59:37 PM » |
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I have had two occasions about a year apart where my temp light on my I/S came on and the fan was running constantly. Both times were on the same stretch of highway in about 100 degree weather, stop and go traffic AND both times with about a twenty mph wind coming from behind. After getting through about a 1/4 mile slow down, the light went off and all was normal ever since . I am guessing the wind from the rear created a vacuum of sorts in front of the radiator and the fan just could not move enough air to cool the radiator.
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jdp
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« Reply #16 on: September 21, 2021, 05:56:26 PM » |
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Yeah thanks for all the advice, I’ve been riding it and letting it sit outside my garage and no problems, fan kicks oof and on as it should and no idiot light, I’m guessing it was just too damn hot and sitting in stop and go traffic for a couple hours was just too much heat because I never lost any fluid and the light never came on again, I love this bike so much I guess I was just freaking out too soon , well I ordered a thermostat and o-ring just to have something to do this winter when it snows
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