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Topics regarding the climate control in the cabin of the van. Discuss things like air conditioning, refrigerant recharging, and dual climate controls, a/c vents, accumulator or defrosters, heater core, or fan inside the van.
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thermostat OEM fails open?

April 18th 2009, 10:31pm

OEM on an '86 4.3 does the thermostat close or opne when it fails? thanks

Re: thermostat OEM fails open?

April 19th 2009, 2:16am

Yes.


Usually open, but it can go either way.

Re: thermostat OEM fails open?

April 19th 2009, 4:03am

gtkane wrote:Yes.


Usually open, but it can go either way.



spring loaded right? think about it, they cant go either way.


anyone else?

Re: thermostat OEM fails open?

April 19th 2009, 3:49pm

It happens when the spring loaded plate gets stuck- just dumb luck whether it sticks open or closed.
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