We are actually past the point mentioned in your post. Unhooking the arm of vacuum motor from the blue lever
bypasses the switch, be it functional or defective.
If you follow the thread, the possibility of the switch being defective and that it controls the vacuum has already been addressed (see quoted text below).
The issue we are trying to troubleshoot now is: why the air coming from the
upper vents is
not cold?
Hence, Dave does get air from upper/ceiling vents but it's not cold! HTH.
Quote:
Originally Posted by DLowe43  .... Basically what happens is that the switch no longer holds a vacuum and needs to be replaced. Just install a new switch and reconnect the vacuum lines and you will have cold air.... |
Quote:
Originally Posted by vindctar .....Then troubleshoot as follows: the problem in your case appears to be the vacuum to the rear A/C. I would check 2 things: one, the switch (on front dash) that controls the rear A/C; & two, the vacuum control .... |
Quote:
Originally Posted by vindctar No cold air when you unhooked the arm from the lever..... |
