Bubbly noise in my heater core
10-13-2007, 02:44 AM
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Bubbly noise in my heater core
My 94 V6 has a bubbling noise when I have the heater on and when I accelerate, is there a way I can vent this trapped air? Thanks.
10-13-2007, 03:09 AM
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i think you are supposed to start vehicle, take off radiator cap, turn on heater. this allows air to escape. are you losing fluid? i know you know, but don't take the radiator cap off while engine is hot.
10-13-2007, 11:33 AM
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Air in Cooling System/Air Pocket
Yeah I have read some threads outside of people turning heat on and getting air out that way (the normal method) , that also they would park on a hill or put the vehicle on ramps - never done that but ................Turn your heat on (don't need fan by the way) , let truck get up to temp and fill , if you want to make sure you have the air pockets out then raise rpm a bit which will increase flow and remove some of the more stubborn air commies and make sure you have coolant in your overfill/recovery tank , if all that doesn't work then I would say use the incline method 
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Last edited by n4ynu1010; 10-13-2007 at 11:34 AM.
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