How to fix heater that blows hot air on one side and cold on the other on 1996 Honda Civic

my civic blows hot air on driver side and cold air on passenger side

by in Bismarck, ND on December 27, 2013
1 answer
ANSWER by , December 28, 2013
Check the air flow piping to driver side, is not dual zone so something wrong in heater box.