water sloshing in the dash on 2004 Pontiac Grand Prix

Off and on I can hear water sloshing in the dash. It just started about a month ago and it isnt all the time. I have already had the thermostat replaced 1 year ago and the water pump about 4 years ago.

by in Lubbock, TX on December 27, 2010
1 answer 1 comment
ANSWER by on December 27, 2010
Make sure the coolant is full.
COMMENT by on December 29, 2010
I did check that and added some coolant since it is suppose to be 12 where I live New Years Day. It isnt quite as bad, but I can still hear it sometimes. No leaks anywhere. Should I have it checked by someone? The car has 71800 miles.
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