Jul 24, 2012 #1 F furyfrank Well-Known Member Joined Jun 27, 2011 Messages 263 Reaction score 4 I think I know the answer to this problem, but want opinions. When the A/C is on and you take off from a light the A/C goes from the dash vents to the floor vents, I know there is a check valve to stop this or could it be another problem.
I think I know the answer to this problem, but want opinions. When the A/C is on and you take off from a light the A/C goes from the dash vents to the floor vents, I know there is a check valve to stop this or could it be another problem.
Jul 24, 2012 #2 jasperjacko Well-Known Member Joined Dec 4, 2011 Messages 1,672 Reaction score 251 could it be the vac accumulator is removed ?
Jul 25, 2012 #3 jasperjacko Well-Known Member Joined Dec 4, 2011 Messages 1,672 Reaction score 251 vac leak?