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thermostat OEM fails open?

PostPosted: April 18th 2009, 10:31pm
by ratmoto
OEM on an '86 4.3 does the thermostat close or opne when it fails? thanks

Re: thermostat OEM fails open?

PostPosted: April 19th 2009, 2:16am
by gtkane
Yes.


Usually open, but it can go either way.

Re: thermostat OEM fails open?

PostPosted: April 19th 2009, 4:03am
by ratmoto
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?

PostPosted: April 19th 2009, 3:49pm
by Big_kid
It happens when the spring loaded plate gets stuck- just dumb luck whether it sticks open or closed.