Engine Temperature Spike? - Stromtrooper Forum : Suzuki V-Strom Motorcycle Forums
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post #1 of 35 Old 06-17-2017, 09:38 PM Thread Starter
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Engine Temperature Spike?

I rode today hellacious freeway stop and go traffic for an hour. Ambient temp was in the 90s. The engine temperature displayed 3 bars.
I looked away and back again and the temp display was at 5 bars. It was at 5 bars for about 3 minutes and during this time the engine was running fine, no alarm lights and no coolant was being expelled. I pulled off the freeway and even before I stopped the engine temp display was at 3 bars again.
I stopped and saw no coolant boiling out nor any obstructions on the engine or oil radiators.

Any thoughts on what might have caused this?

Thx!

DL1000 2012
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post #2 of 35 Old 06-17-2017, 10:10 PM
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Make sure your fan is working.

Pat- 2007 DL650A was ridden to all 48 contiguous states. I didn't quite make it to 17,000 miles on the 2012 DL650A.
Nicknames I use to lessen typing, Vee = 2002-2012 DL1000s. Vee2=2014+ DL1000s. Wee = 2004-2011 DL650s. Glee = 2012+ DL650s
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post #3 of 35 Old 06-18-2017, 05:28 PM Thread Starter
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should the red box around the temp box flash or is there some other indication of overtemp other then the 5th box in the temp bar?
When this happened there were not other indicators on other than the 5th box in the bar indicated.

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post #4 of 35 Old 06-18-2017, 06:09 PM
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You get 5 bars when the coolant temperature reaches 120C. The thermometer icon is added at 122C and that is the top warning. You should normally see 2 bars which means 60C-99C with a third bar possibly showing in stop and go traffic on hot days indicating 100C-111C.

Having the temp drop once you got moving again makes me think the fan wasn't coming on when you were stuck in traffic.

Pat- 2007 DL650A was ridden to all 48 contiguous states. I didn't quite make it to 17,000 miles on the 2012 DL650A.
Nicknames I use to lessen typing, Vee = 2002-2012 DL1000s. Vee2=2014+ DL1000s. Wee = 2004-2011 DL650s. Glee = 2012+ DL650s
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post #5 of 35 Old 06-18-2017, 06:26 PM Thread Starter
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it spiked so quickly, within a second or 2. Makes me wonder if something else going on.
I did just change my oil and filter using a K&N.....maybe just a coincidence.

How can one test the fan?

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post #6 of 35 Old 06-18-2017, 07:30 PM
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Unplug the fan wires from the radiator switch and short the contacts on the wire together. If the fan is working, it will start immediately.

If it popped up suddenly, it might not be a temperature indication at all. If it happens again, check for other indications like a red light or a CHEC. In such cases, all the temp bars fill to call attention to the display.

Last edited by greywolf; 06-18-2017 at 07:48 PM.
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post #7 of 35 Old 06-18-2017, 11:48 PM Thread Starter
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Quote:
Originally Posted by greywolf View Post
Unplug the fan wires from the radiator switch and short the contacts on the wire together. If the fan is working, it will start immediately.

If it popped up suddenly, it might not be a temperature indication at all. If it happens again, check for other indications like a red light or a CHEC. In such cases, all the temp bars fill to call attention to the display.
thanks. When it did happen there were no other out of normal indications on the display. And the bike still ran great
Then if all the temp bars fill and no other indicator that is an indication of something other than high temperature?

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post #8 of 35 Old 06-19-2017, 12:11 AM
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If the bars filling is not temperature related, there has to be a problem that will be indicated, either an FI , a CHEC or a red light.

Pat- 2007 DL650A was ridden to all 48 contiguous states. I didn't quite make it to 17,000 miles on the 2012 DL650A.
Nicknames I use to lessen typing, Vee = 2002-2012 DL1000s. Vee2=2014+ DL1000s. Wee = 2004-2011 DL650s. Glee = 2012+ DL650s
See http://www.stromtrooper.com/general-...nicknames.html

Please vote in the poll on what Strom(s) you have at http://www.stromtrooper.com/informat...-you-have.html
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post #9 of 35 Old 06-19-2017, 12:39 AM Thread Starter
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Quote:
Originally Posted by greywolf View Post
If the bars filling is not temperature related, there has to be a problem that will be indicated, either an FI , a CHEC or a red light.
got it. Ill test the fan and the ECT and got from there. Do i only need to remove the left and right cowling for this?

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post #10 of 35 Old 06-19-2017, 02:28 AM
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No necesity to remove plastic. Sensor and plug are on right side / rear of radiator. Disconnect plug and short contacts to start / test fan with ignition switch ON. Careful not to burn the pinkies.

I believe the fuse for the fan is #6 and 15A in the fuse box.
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2002 DL1000 - 70K of joy, so far...
1978 GS1000 - One owner, still putt'n
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