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Old 10-11-2018, 04:46 PM   #23
rsgt
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Join Date: Apr 2009
Location: Lowell AR
Posts: 360
Re: Reading A/C gauge

Quote:
Originally Posted by Jrainman View Post
YOU can test the POA in the truck
TO test it idle at 1500 rpm
Use a fan and put it in front of condenser (radiater)
unplug the blower motor
gauge on low side reading should be between 28-30 psig

the POA factory setting should be 32 .

there are other things to check also , Air in system
make sure your heater core is not bleeding by
also spray water on the condenser and see if the lowside pressure drops.
Hey, Thanks. I did that and the reading did not change so I guess the poa is bad.
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