Chevrolet Repair Questions? Ask a Mechanic for Answers ASAP
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Is the engine actually over heating (running over 220 degrees)?
Let me know,thanks Pete
You dont need to bleed it again if the cap is removed.I would run it until warm and then shut it down and allow it to cool then check and top off the engine coolant level.Do this more then once if needed but make sure it has cooled over an hour before removing cap to top off coolant.
The cooling fans for a hot engine usually do not kick on until around 220 to 225 degrees on some models so if your not reaching that temp this may be why the fans are not turning on without the ac being on.
If your only reaching 160 degrees and a new thermostat is installed and all the air is bled out then you may have a faulty engine coolant temp sensor needing replaced.
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