How do you fix heating problem in 1992 Toyota Previa on heating mode fan blow only cold air.Any suggestion to fix it yourself?
Sounds like "heater core" is shot-any coolant leaks inside the car coming from under the dash?,
Have check, replaced.
Or could just be an air lock in coolant system, which is better easy fix.
-There is no 2000 previa you must mean a 2000 sienna! The last year of previa was 1997 -Yes in North America, the last Previa model was in the year 1997 and it was succeeded by Sienna but aside from NA, the Previa is still in production (NZ-Previa, OZ-Tarago, Japan-Estima)- http://en.wikipedia.org/wiki/Toyota_Previa I own a 2000 previa model here in NZ.