i dont know if anyone has remembered me posting something about how my heater does not work but i have a couple of months ago. last week i replaced my timing belt and water pump which was corroded and the thermostat and housing with both hoses which everything was a lil corroded but its all good now. ever since then my heater is working now. it never worked before and everyone told me to look at the hoses going to the firewall and the heater core. i havent done those yet but was going to. do you guys think i should still check it or just leave it unless something happens again? i had my car for over a year now and it has 159*** miles on it now and when i baught it nov 2005 it had 144*** on it. Its a 97 ex coup.