coming back to read this.... one answer.. WOW!
ok 1, if thermostat is stuck it'll either run very hot or close to cold.
ok 2, if there isnt a thermostat than the coolant will stay very close to cold.
there is only 1 reason its not getting heat into the car!


Quote Originally Posted by ash7 View Post
1) your heater core is blocked/clogged
2) the heater core bypass valve is not operating correctly
3) the heater core hoses are incorrectly attached or not attached at all.
-jonathan