Has anyonever ran a vacuum thru firewall..
My hvac line is blocked causing all air directly out defroster. .
I tapped into boost line to confirm it will operate with vacuum .
I had done heater core years ago but don't recall how lines came thru ..I can feel them but they don't slide in and out easy..
I recall a foam seal on heater core tube on firewall..
Was wondering if anyone has ran a new vacuum line..and found a spot different that's easy
My hvac line is blocked causing all air directly out defroster. .
I tapped into boost line to confirm it will operate with vacuum .
I had done heater core years ago but don't recall how lines came thru ..I can feel them but they don't slide in and out easy..
I recall a foam seal on heater core tube on firewall..
Was wondering if anyone has ran a new vacuum line..and found a spot different that's easy