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Unread 06-13-2011   #1 (permalink)
Andrew Parziale is offline Rookie

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Default 2000 Mustang GT low coolant light?

Since the temp here in nj has gone up quite a bit I've noticed my check coolant light has been coming on once in awhile when the car heats all the way up. So I just put in coolant and added it to the bottom of that line where it says add coolant with the arrown facing down. The car was cold when I did this. Rite when I started it back up the light came on an stayed on. My question is if I drive it and let it reach hot temp will the lite go out? And where to on the reservoir do u fill the coolant? Thanks
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Unread 06-13-2011   #2 (permalink)
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Fill it up about an inch or so from the top.
The float on the sensor gets stuck sometimes. Just stick a screwdriver or any other object you prefer in there and knock it loose.
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Unread 06-13-2011   #3 (permalink)
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I filled it and ran it til it got hot and it did good for an hour then came on when I started it back up. I checked and the coolant was in the middle of the arrow so I'm gonna try that screwdriver thing next. Thanks
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Unread 06-13-2011   #4 (permalink)
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Somebody mentioned on here once that if the coolant mixture isn't the correct 50/50 that the float won't float properly, too.
Also, if you haven't flushed out your coolant in a long while, sediment and gunk can build up, causing the sticking float.
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Unread 06-13-2011   #5 (permalink)
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Happened to me once, I hit the coolant reservoir and it's never come back on again.
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Unread 06-15-2011   #6 (permalink)
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Worst case if you can't free it up, you'll just have to replace the coolant jug.
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