lly heater

nspence

nspence

New member
So I did head gaskets on my lly now wen you turn the heat on it blows warm for a few mins then goes cool then blows warm again . Any ideas what could be causing this . And there is also no air bubbles coming from my coolent tank
 
air trapped in cooling system... or probs with thermostats... what is the temp gauge of the truck showing? is it fluctuation too?
 
Yes I did I got 2 brand new ones in it I think im going to try and bleed the cooling system after work see if that works
 
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