Cadillac Repair: climate control unit, climate control unit, fleetwood brougham

Question
air and heat work sometime,can not control when.1985 fleetwood brougham 4100  fwd 4d
was working but now it stoped one day works next day does not.a.c. will get cold, but won't blow air

Answer
You colud have one of several problems:

FAULTY:

BCM.
A/C Programmer.
vacuum valves.
total loss of vacuum.
leak in numerous vacuum lines.
Climate Control Panel problems.
Air control doors.


You will need to contact me at:


onlineautohelp@msn.com


In order for me to provide you with pictures, diagnostic procedures, Vacuum schematics and electrical schematics to find and fix your problem since this board does not allow sending pictures.



autohelp