Wher would a "bleeder screw be located?
Having been suggested I have air in the coolant system. I may fill the reservoir and bleed the air out if
your engine has a bleeder screw. If I have a bleeder screw, where would it be located?
A bleeder screw is small brass screw in the coolant system at a high point. Some engines have them, some don't. Fill the reservoir, heat up the engine a couple of times and check the fluid level. If you're still hearing heater core noises, look for a screw at the high point. Some Fords have them on the thermostat housing.
If there is no cap actually on the radiator its self it has a self bleeding cooling system and has a degas bottle. Fill the degas bottle and run the engine at 1500 rpms and turn the heat on inside the car. once you start getting heat out of the vents you should have all the air out. make sure to keep an eye on the level in the bottle keep it full.
I did as suggested and it seems to be gurgle free. Thanks
Type of vehicle would help with answer. Some vehicles use bleeder screws others wanted to save the .05 cents so they don't use them. Fords are notorius for large air pockets after cooling system drain/refill and have no bleeder screws. One trick is to raise the front of the vehicle as high as possible to force the air to the top (fill location) and use the no spill funnel with vehicle running - heat on. The best way is to get a vacuum on the system and then fill it from a five gallon bucket of your coolant, the tool that does this works perfect leaving no air and no mess. 30 yrs master mechanic Michigan. links for tools here- https://www.amazon.com/gp/product/B0002SRH5G/ref=oh_au i_search_detailpage?ie=UTF8&psc=1 https://www.amazon.com/gp/product/B00A6AS6LY/ref=oh_aui _search_detailpage?ie=UTF8&psc=1
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