Question about 2003 Chevrolet Impala
The most probable cause is air in the system. If all fans kick on then it can only be air in the system or problem would accure when driving too. A pocket of air will cause a small vortex and it take far more pressure to get anything around it. Like fluid. To burp the system....when your car is cooled off, remove the radiator cap and then start it up....it will push all the air out the top and you will see bubbles and maybe even some fluid shoot out. Just make sure you add back to correct levels when all done. This running process has taken me as long as 30 mins to get all the way out. Its easy and free but DO keep an eye on the temp guage while the cars just idealing to get the air out.
Posted on Oct 24, 2009
I dont think the thermostat , most likely your water pump
Posted on May 31, 2009
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Posted on Jan 02, 2017
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