I too had a heater control valve that did not shut the flow off. A better idea if this is happening is to install a shut off valve instead of bypassing it completely. This way the valve can be opened if heat is required. Tony john_nowosacki@xxxxxxxxxxx wrote: > > I would think it should be a bit colder than that. Have you checked to make sure your water valve is completely closed and shutting off the flow of hot water to the heater core? > I had this problem on both a 61 and 62 Chrysler. I actually bypassed the heater core altogether in the summer months and the a/c performance was greatly improved because my heater control valve was not completely shutting off the flow of hot water to the core. > The result was that warm air was being mixed with the cold air and thus reducing the overall effectiveness of the system. > John Nowosacki > 978-681-2219 > Network Analysis and Troubleshooting Solutions > www.agilent. com/find/ nat < http://www.agilent. com/find/ nat > > Signaling Analyzer > www.agilent. com/find/ sart > ____________ _________ _________ __ > From: Chrysler300@ yahoogroups. com [mailto: Chrysler300@ yahoogroups. com ] On Behalf Of Dave Schwandt > Sent: Wednesday, September 16, 2009 8:22 AM > To: list server > Subject: [Chrysler300] A/C outlet temp 300F > Hi Gang, > Got the A/C charged up in the F yesterday. New compressor and reciever drier and almost 3 #'s of R-12. > My question is this, 50 degrees is about all I can get out of the dash vents on high at highway speeds, maybe down to 45 or so if it's a little cloudy. Is this about what it should be for and F or G??!! > See you in Branson > Anyone rolling down I-44 on Wed give us a shout @ 563-581-3005 We will be pulling out of Lebanon, MO (exit 127) around noon > Dave Schwandt > [Non-text portions of this message have been removed] > [Non-text portions of this message have been removed] > ------------------------------------ To send a message to this group, send an email to: Chrysler300@xxxxxxxxxxxxxxx For list server instructions, go to http://www.chrysler300club.com/yahoolist/inst.htm For archives go to http://www.forwardlook.net/300-archive/Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/Chrysler300/ <*> Your email settings: Individual Email | Traditional <*> To change settings online go to: http://groups.yahoo.com/group/Chrysler300/join (Yahoo! ID required) <*> To change settings via email: mailto:Chrysler300-digest@xxxxxxxxxxxxxxx mailto:Chrysler300-fullfeatured@xxxxxxxxxxxxxxx <*> To unsubscribe from this group, send an email to: Chrysler300-unsubscribe@xxxxxxxxxxxxxxx <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/