2002 E450 A/C Vacuum Loss
As in title, 2002 E450 under Class C. A/C blows out of Defrost Vents Only. Vehicles are set up to use the Defrost Vents IF Vacuum or the Mode Selector fails. I've found I have vacuum where the l...
Forum Discussion
J-D MY 1999 E-450 had the same problem. On mine the check valve and canister is in the passenger side wheel wheel well behind the inner fender. Some have cut a opening in the inner fender and accessed it from there. Other wise you have to pull the ac and related stuff to get at it from the motor side. I rerouted the canister and check valve to under the dash on the passenger side and reconnected the appropriate vac lines. Some videos are on youtube.
