Quote:
Originally Posted by Miller88
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The thermostat was tested good so I can't do anything warranty wise.
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We don't know how they tested the thermostat. "Hey Larry, take this out and see if you get any heat!". Possible.
Use a ScanGauge or UltraGauge to show engine coolant temp digitally. You will see exactly what is going on. If driving with pretty steady load on engine (highway, 50-55 mph or more), you will see temp drop several degrees when tstat opens. And of course you'll see what temp it later stabilizes at.
Of course it will behave differently any time it idles, moving or still, and if you EOC.
Leave the cabin heat off for your tests. It bleeds heat off the system even if tstat is still closed.
If you didn't already, you might be able to hide some grill block where it won't easily be seen. But I'd never use grill block without a digital temp gauge always on display. Avoid nasty surprises that way.