Model: Sante Fe
Engine Size: 3.5 l
Refrigerant Type: 134a
Ambient Temp: 85
Pressure Low: 100
Pressure High: 100
Country of Origin: United States
IÃ¢ÂÂm pretty much a novice with auto a/c but have worked on several family cars in the past few years and this forum was instrumental in me getting books, tools and expertise needed. I havenÃ¢ÂÂt had to do any work for over a year and now have a question I need answered prior to continuing.
2004 Hyundai Sante Fe 3.5l engine that a/c is non-operational. The compressor is not cycling and when we attached the gauges the low side pegged. Evacuated the system and pulled a vacuumed with no indication of a leak. Started to recharge and the pressure with first can went to 100 psi Ã¢ÂÂ low and high side with not even the full can being used. Something just didn't seem right so I stopped to ask help from the best resource I know exists.
I thought of jumping the low pressure switch but this vehicle has a combination high and low pressure switch and I donÃ¢ÂÂt trial and error because I usually end up with bad errors.
Hopefully what I am overlooking is simple but I still feel better asking for help.
Any help would be appreciated
The problem never was lack of refrigerant... If you have normal static pressure in the system but the compressor doesn't run, there's an electrical or clutch problem.
Thanks - what psi range is usually considered in the normal range?
With compressor not running, 100 psi on both sides is typical. It will vary some with temperature, but once there are a few ounces of refrigerant in the system it will not change with charge amount.
Thanks for the information!
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