Heater Cores and Blower Fans
Chevy Blazer S-10
Ford F-150

If i replaced my leaking heater core and still have no heat did i forget something it worked before but has been bypassed for the past year and a half. any suggestions?



User Avatar
Wiki User

make sure the air is bled from the system. if so then possibly there is other restrictions also check the air mix door, check where the hoses come out of the water pump sediment may be blocking the water flow if the hoses were capped and not looped