am having a few small worries where my thermostat is concerned just lately and wondered if anyone can shed some light or give advice as to what could be the prob. had a stuck thermostat some while ago diagnosed by a lack of really warm air from the heater and the temp gauge not reaching normal operating temp.also had aslightly noisy aux pump, so changed the thermo for a neuspeed one and the aux pump for a vw bosch item, along with my samco's and g12 coolant. have had the hoses off a couple or three times since and changed coolant for various engine/gearbox mods, and have noticed that althoug