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Hello, my name is***** and i will do my best to assist you.I am going over your story now and will reply back soon with some info,thanks!
overheating can mean a few things and or have a few scenarios,
do you actually get bubbling coolant out of the reservoir?
how long does the engine have to run before you notice symptoms?
ok Dave thanks, ***** ***** fans EVER come on?
what happens with the fans when you turn the ac on max?
ok, are you near the car now?
ok, sure, yes, with the coolant tank cap on squeeze the hoses and see if coolant or air is heard near the tank.
also how many miles are on the car?
right i am concerned about the cap, if the cap is not holding pressure the coolant can boil prematurely.
we also have issue with the waterpump impeller coming loose.
what we have done is got clear tubing from menards and fittings and added the tubing to the system to check coolant flow.
or remove the top hose and crank the engine. the problem is you can get partial flow and it seems fine but its really not.
or use a temp gun to tell if coolant is flowing through the radiator by comparing the hoses .
ok so the cap is ok.
next we need to verify the coolant flow.
essentially yes. or remove the upper and start the engine. I dont remember if these hoses snap in or use a clamp.
well if the impeller is loose or broken or rotted you can get low flow because there is not much space for the impeller to go in the housing.
did your new fans come with the control module as well?
ok, so then it is sounding like a waterpump issue to me. you arent getting the proper flow until higher rpm.
OK Dave, just let me know if you need more help or what not and I will do what I can to help.
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