AMX69PHATTY wrotehopefully it's just the t-stat housing
are the insides of the hoses clean in the ends
where the go onto the motor and rad ?
Rusty crusty stuff on the inside surface of the hoses at
the ends can prevent them from sealing well to rad & motor.
I agree with the hoses being the culprit. Hopefully changing the hose has cured the situation...
tim