Jim Grant's Tech Tips
99 Dodge
Ram, Cycling A/C system
Q: Quick question on my '99 Dodge Ram Quadcab
4x4 with a 318. When I have the AC on the compressor cycles on and off
very frequently. On for 3 seconds, off for 3, on for 3, off for 3 etc....
Is this a low R134a situation?...Chris Raaths
A: You
nailed it Chris. The most likely cause of your vehicle’s condition is
due to a low charge of refrigerant in the A/C system. A new bag of ice
(recharge of refrigerant) should stop the cycling and have you in the
cool again.
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