View Single Post
  #16  
Old 07-16-2013, 05:00 PM
tilac1's Avatar
tilac1 tilac1 is offline
Registered User
 
Join Date: Jun 2004
Posts: 212
Good idea, will pinch off the hose going to the heater core as a test. I've converted other cars to 134a and had fine results. This one is strange.


Quote:
Originally Posted by nelbur View Post
I wonder if your heater core is getting some hot water through a leaky shut off valve. 134a is not the problem. I have converted two R-12 systems to 134a, and had trouble with one system freezing ice in the evaporator, so 134a can put out cold air.
__________________
1988 300E
Reply With Quote