operating temp
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Joined: Aug 2005
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operating temp
I have a 1985 Bronco II. Just recently started doing a really odd thing. Normally the temp gage stays right near the center (the o in normal). Yesterday, and twice today, within a matter of seconds, the gage jumped from there right up to the top mark. hovered there for 3 or 4 minutes, then dropped back down to where it was. Everytime the jump is in a matter of seconds, stays high for less than 5 minutes, then drops back to the same spot in a matter of seconds. I put a new thermostat in 4 months ago. Any ideas?
Posting Guru
Joined: Sep 2004
Posts: 1,915
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From: Yokosuka, Honshu, Japan
Did you replace the thermostat with a 160-, 180-, or 192-degree one? Another issue might be that the fan clutch could be failing... and, if you don't have a fan shroud, get one. I've also seen people replace the fan clutch/plastic fan with a flex fan and had better results *shrug*
Posting Guru
Joined: Jun 2003
Posts: 1,777
Likes: 1
From: Perry,Ga.
Sounds like you might have air in the cooling system.When air bubble gose by the sender unit and it shows real high temp till the water pushes it on by.Or you might have a thermostat thats going bad.{ yea only after 4 months}
Could be any of the above too.Good Luck!!
Could be any of the above too.Good Luck!!
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