How many quarts did you put back in ?

I always loosen heater hose to let the air out when filling it

With the block empty after removing t-stat all you fill is the radiator ,
not the block.




"Imran" > wrote in message
ups.com...
> I have a 99 Mercury Mountaineer 5.0L V8 that recently started
> overheating (or thats what the gauge is telling me). The "Check Gauge"
> light has come on, but turning the heat on seems to make the gauge read
> cooler.
>
> The radiator is barely warm, but definitely not hot, and no coolant is
> boiling when it's reading hot. When it's warm, there does seem to be
> some gurgling around the heater valve - possibly the heater core.
>
> To try to cure this problem, I have changed the coolant and thermostat
> - but nothing helped.
>
> To my knowledge I am not leaking any coolant.
>
> When I changed the coolant, I left the radiator cap off to burp the
> air. When it heated up (and I presume the thermostat opened) coolant
> sprayed quite violently from the radiator top. I thought coolant level
> should drop when the stat opens??
>
> Any recommendations of what to try next would be appreciated.
>