Originally Posted by
BusinessConnected
Well...
I purchased some Liquid Intelligence 239 Radiator Flush, it's in the Car now... gotta drive around for next couple of days for it to do it's thing.
However I've done some more troubleshooting and notice tonight at around 15 Degrees Ambient if I sit in the Car and put the HEVAC on HI it won't deliver hot air inside the car unless I rev the engine somewhat (to say around 1200rpm....) Once I have done that the Heat is very, very hot... for a while....
My thinking is either
a) I have Air in the Heater Core which isn't escaping or hopefully
b) I have low Coolant Flow around the system which might be dodgy Radiator and/or Water Pump...
Peoples thoughts?