1990 Subaru Legacy "release air lock cooling system" Questions

...release valve on the top of the radiator be bad? It doesn't seem to tighten? Both head gaskets have to be replaced and the heads need to be resurfaced, be sure you go thru the torque specs and ...

...cooling system to ensure that first, that it is completely full of coolant (not just the overflow tank) with no air locks and second that there are no leaks and the radiator cap is in good condition. ...

...release this air? If so, where? there is a velve in the top hose look at the higest hose in the engine bay you will fine a screw or a nut in one of the hoses take the rad cap off and top the rad up ...

...release any air locks that may have occurred? Have you tried a new rad cap? Hopefully this advise helps you some what. Hello shotmaker25...If you put Bars Leak in the cooling system and it plugged a ...

...air trapped in the heater core and engine block to rise and release through the radiator filler as you are filling. It would help to look for instructions or a you tube to verify the procedure, Hope ...

...air check the tank level and fit the rad cap. Go for a run up to operating temp, come home, allow to cool until rad cap is safe to release, check level and top up if necc. Don't run the system at all ...

...cooling fans operate together on most larger cars. If there are no leaks or air locks, the over heating could also be caused by a clogged radiator (more than 15% restriction in the radiator flow ...

air lock in the cooling system, allowing steam to build up pressure and crack the expansion tank, this also suggests the cap on the expansion tank is faulty and not releasing the pressure early enough

...air in the water pipes making the car over heat see if there is a release valve on any of the pipes will look like a small tap thing just a twidaly knob to release presure apart from that the timeing ...

release the air lock or is it self bleeding? Thank you Alan. look on top of the thermostat housing or anywhere in the system that sits up high as it has to be a high point to bleed off any trapped air