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mine did the same thing and then the water pump blew. not saying that yours is but thats what happened to me. i made bubbly noises for about a year randomlymine did the same thing and then the water pump blew. not saying that yours is but thats what happened to me. i made bubbly noises for about a year randomly
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With the engine cold, turn the heating controls to hot, remove the coolant cap, start the engine and leave running on idle till the car gets to working temperature (so the thermostat opens) watch the coolant bottle to see if air bubbles escape (purges) then leave running till no air bubbles are seen (about another 15mins) then put the coolant cap on BEFORE turning engine off!
bubbling at the RAD cap to the expansion tank is.:
1: overheating, and all cars overheat, parked, running and no fan.
2: blown head gasket. or far worse....
3: bad rad cap, the gasket is bad in side it.
the FSM covers the fan test, read that.
or login to alldata.com and read engine cooling. section.
oil bubbles ? oil splashes under valve covers across the valve train opening the valve cap may get oil splash-- but oil bubbles oil may foam a bit from being old or if coolant got in it and wouldnt bubble out of cap but bubbles --- and oil splash is normal when opening oil cap with vehicle running
engine have back pressure that cause overheating or engine runs hot. could be, ( yes, cylinder) the piston rings. but the cooling system is the other system you have to look into. check the engine thermostat, if found faulty, replace it.
Persistent bubbles indicate a leaking cylinder head gasket. To confirm this have a shop with a engine gas analyzer problem the coolant tank and see if any combustion gases (hydrocarbons) are present, if it indicates there are you have a leaking head gasket.
when the motor is off open the lid and slowly squeeze the top radiator hose and it will bubble the antifreeze at the radiator some may spill out but after u squeeze it simultaneously it shouldnt bubble anymore and then just refill what spilt out
Are you losing antifreeze from your radiator? If so, check the radiator for air bubbles with engine running. If bubbles are coming up in the radiator, you could have a head gasket problem.
mine did the same thing and then the water pump blew. not saying that yours is but thats what happened to me. i made bubbly noises for about a year randomly
and all my fluids were up to par
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