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Thermostat fail open?

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Old 11-20-2015, 11:11 AM
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Thermostat fail open?
Does the thermostat on the VQ30DE fail open or closed?
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Old 11-20-2015, 11:38 AM
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By default, it's closed. So a bad thermo would fail to open.
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Old 11-20-2015, 01:57 PM
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Thanks Wizard. I thought so, but just checking. I know they make some fail open thermostats so the car won't overheat.
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Old 11-20-2015, 05:54 PM
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Originally Posted by The Wizard
By default, it's closed. So a bad thermo would fail to open.
So our thermostats can't fail open too?? (eg not close up after the car cools down after a drive)
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Old 11-20-2015, 08:48 PM
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Originally Posted by uttadms31
So our thermostats can't fail open too?? (eg not close up after the car cools down after a drive)
I suppose it is possible, although it is usually unlikely considering in order for it to function properly it needs to open and if it can open properly, it will close properly
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