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-   -   A/C not working at Idle (http://www.ramforumz.com/showthread.php?t=150936)

Edfiremed 08-20-2013 06:15 PM

A/C not working at Idle
 
2003 Dodge Ram 1500 AC runs fine while driving or idling at high RPM but blows warm air during idle. Low pressure hose is at 100 psi while compressor is on. With gauge on and hitting high idle the pressure drops to within normal range 45-55 psi. Compressor stays on all the time and does not cycle off. WHat can be my issue? The AC cooling fan seems to be working fine.

RogerRamJet 08-21-2013 06:14 PM

Racking my noodle, and all I can come up with is the compressor is starting to show signs of it's age and not compressing the gas well enough at low rpm's.

the persuader 08-21-2013 07:47 PM

Since you have an 03, your condenser fan probably took a dump.

RogerRamJet 08-21-2013 11:48 PM

Perhaps I read the op wrong when he said the AC cooling fan seems to be working fine. I took that as the condenser fan because he said at high idle it blows cold. Perhaps we need some clarification.

Ed, when you say the AC cooling fan seems to be working fine, do you mean the condenser fan (engine compartment) or interior fan (blower motor)?

the persuader 08-22-2013 12:15 AM

Quote:

Originally Posted by RogerRamJet (Post 1182424)
Perhaps I read the op wrong when he said the AC cooling fan seems to be working fine. I took that as the condenser fan because he said at high idle it blows cold. Perhaps we need some clarification.

Ed, when you say the AC cooling fan seems to be working fine, do you mean the condenser fan (engine compartment) or interior fan (blower motor)?

You're right, I missed the part about it blowing cold at a higher idle. :LOL:

tjbiker031 08-29-2013 08:41 AM

Sounds like low refridgerant. I would have a shop recover the refridgerant, evacuate the system, perform a leak test (shouldnt cost you extra....they should be doing this as apart of the service anyways) and then charging to the proper weight of refridgerant


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