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Auto A/C Service Help : Diagnosing Auto A/C Last Updated: Feb 5th, 2007 - 11:03:58 Auto A/C Service Help : Diagnosing Auto A/C What are Normal Gauge Readings? Normal gauge readings can and will change for just about every A/C system on the road depending on several different factors. Two of the most important factors... Auto A/C Service Help : Diagnosing Auto A/C Diagnosing a bad A/C compressor Besides catastrophic failures of compressors, they also fail in other ways where they look to be operating normally, but the A/C system... Auto A/C Service Help : Diagnosing Auto A/C If some A/C Compressor oil is good, is more better? You are recharging the A/C system and figure that it’s just good practice to add a little oil, right? Can’t do any harm, right? Nothing could be... Auto A/C Service Help : Diagnosing Auto A/C What happens when there’s air in the A/C System? Typically one of the most difficult things to diagnose is when there is air in the A/C system. Forget about... Auto A/C Service Help : Diagnosing Auto A/C Restrictions make the pressure gauge readings low? Typically, when you ask what would happen to the pressure gauge readings when there is a restriction in the A/C system, you want to think that the pressures will go high. The truth is that... Auto A/C Service Help : Diagnosing Auto A/C What are the pressure gauge readings telling me? Understand that the gauge readings are only giving you the pressures of the refrigerant in the A/C system. Although they are important when diagnosing the system, the gauge readings do not...

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