I have a weak heater core but gurgling behind the dash under load. IE it only makes this weird noise while driving not idling. Car runs at Op Temp. Could this be the cause of my weak heater core or should i be worried? Car does not eat coolant.

Ive never heard this noise before, anyone encounter this?

 

I have the same gurgle, but searching here and elsewhere for any info has not turned up anything. I'd love to know what it is, and if I need to fix it. Heat has been good all winter, so not too concerned.

 

Not a big deal, air in the heater core. Burp the system and be done with it

 

bad ***. Im just gonna jack up the front super high and start it. let it warm up with the heat on. Anything else?

 

I used to hear something like that but only in the summer time,when i had the AC on,when i would turn off the car and listen for a second,it sounds like water running in the dash,i figured it was the water from the cooling system for the AC,NOT THE ENGINE COOLANT,totally different deal.

 

I get that sound when making a turn in a parking lot sometimes. I'm guessing there's air in the PS system?