anti freeze backing up
Asked by gfortycal1 Oct 08, 2010 at 08:02 PM about the 1993 Volkswagen Passat 4 Dr GLX V6 Sedan
Question type: Maintenance & Repair
water backing out of over flow. i've changed the thermostat, put n new radiator.
and still it backs up within 15 min, of driving. has anybody had this problem. 1993
vw passat glx vr6 eng.
4 Answers
hey check the water pump. water could be broken and not flowing the coonat right to its backing up
Heater core could be plugged full of scale. Try flushing it out with a product like Prestone Super Flush
Is it overheating? If so, that opens up several other options. If not genuinely overheating, then the head gasket is leaking or the head is cracked pushing air into the coolant and then out the overflow.