Century Buick's mid sized affordable sedan

Coolant temp too high at idle

Old Feb 7, 2012 | 08:33 PM
  #11  
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Default coolant hi temp

The bleed valve is in basically the same position.
Bled it, but there was no air trapped in the system.

Thanks for all the suggestions.
 
Old Aug 8, 2012 | 09:14 AM
  #12  
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Kinda late but did you ever figure out what happened?
 
Old Aug 27, 2012 | 05:01 AM
  #13  
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Can you suggest me the best coolant?
 
Old Sep 19, 2012 | 07:39 AM
  #14  
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Default coolant temp hi

Thanks for the reply Richard.
I've run the car through the whole summer in traffic and on the highway.
On the highway it stays at normal temp.
Idling in traffic the temp climbs until the radiator fan finally kicks on around 220-240 degrees, then it drops down to 190-200( the normal range). Then it starts to heat up again and eventually the fan comes on again.
So the system seems to be working, it's just a lot hotter than it used to run prior to the head gasket replacement.
You have given me a clue though. Maybe the radiator got changed and is now a smaller or less efficient radiator than the original.

Anyway, thanks for the info. It's still running more than a year later, so I will consider myself lucky.
 
Old Nov 11, 2012 | 03:01 AM
  #15  
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It's getting into the 250 degree range when idling.。。。








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