Question about Pontiac Grand Am
Check the water coolant level because some of the hot water goes into the heater radiator behind the dash. Seems you have air in the system.
Posted on Apr 14, 2009
It sounds like you may have a small air leak in your cooling system that is trapping air, and you can hear it gurgling through your heater core. I would keep an eye on your coolant level, and also you can rent a pressure tester from Auto Zone that you can hook up to your overflow tank and test your system for leaks. Most likely you will be able to tell where its leaking from, or see if its holding pressure like it's supposed to. Just follow the procedure closely and don't overpressurize the system.
Posted on May 01, 2009
SOURCE: 2005 Lincoln Town Car has
Usually this is a typical sign of air in the cooling system, if you have had fluid levels changed recently, its very possible the system was not bled of air when refilling. The gurgling is caused by air moving through the heater core. This is a common problem with the 4.6 liter engine used in the Town Car, Crown Vic, and Mercury Marquis.
Posted on Mar 06, 2011
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