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Home » Public Forums » GMCnet » Stupid AC, 20psi, 120psi...73degrees
Stupid AC, 20psi, 120psi...73degrees [message #137765] Sat, 06 August 2011 15:08 Go to previous message
Keith V is currently offline  Keith V   United States
Messages: 2337
Registered: March 2008
Location: Mounds View,MN
Karma:
Senior Member
Continuing from this thread;
http://gmc.mybirdfeeder.net/GMCforum/index.php?t=msg&th=18173&start=0&rid=1431

Or for the Email crowd subject is; More AC questions....

so I bought real (well harbor freight) AC gauges.

* Low side 19 psi
* High side 120 psi
* Recirc blocked for 100% recirc
* engine at 1500 rpm
* run for 20 minutes
* heater hose shut off mechanically
* ambient temp 78 degrees

AC outlet temp is 73 still degrees

Secondary evap temp was 63 degrees
(this one is definitely 100% recirc!)

What the heck?

Do I have air in the system??

Gremlins?
Trolls??

Keith, cant see the problem, vasilakes


Keith Vasilakes
Mounds View. MN
75 ex Royale GMC
ask me about MicroLevel
Cell, 763-732-3419
My427v8@hotmail.com
 
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