A/C blows only out defrost on c class E450 ford
The air cond. only blows out the defrost.WHY?
Forum Discussion
Loss of vacuum.
An internet search will find several work around that are way cheaper than the $900 the dealer will want. Defrost Only is the default mode built in.
The problem is that Ford placed the vacuum tank and check valve inside the A/C
housing. To replace these (which frequently go bad) the A/C has to be discharged and the housing removed. Very labor intensive.
The work around is a $12 vacuum tank with builtin check valve, available from most auto parts stores and a little vacuum line.
Search the web and you will find good direction from several Ford Owner sites.
Make sure you add the vacuum tank and check valve, not just running a new vacuum line. Without the tank and check valve you will lose vacuum on hills and when accelerating and the A/C controls will revert back to the default mode until it has built up vacuum again.
An internet search will find several work around that are way cheaper than the $900 the dealer will want. Defrost Only is the default mode built in.
The problem is that Ford placed the vacuum tank and check valve inside the A/C
housing. To replace these (which frequently go bad) the A/C has to be discharged and the housing removed. Very labor intensive.
The work around is a $12 vacuum tank with builtin check valve, available from most auto parts stores and a little vacuum line.
Search the web and you will find good direction from several Ford Owner sites.
Make sure you add the vacuum tank and check valve, not just running a new vacuum line. Without the tank and check valve you will lose vacuum on hills and when accelerating and the A/C controls will revert back to the default mode until it has built up vacuum again.
