Automotive Air Conditioning Information Forum (Archives)
Need TSB
iceman2555 on 
Fri May 18, 2012 9:18 PM 
I am searching for a GM service/TSB concerning the correct procedure for adding lubricant to the 'V' series compressors. I seem to remember reading this....well...it has been a while. GM got any leads?
Thanks,
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The strongest reason for the people to retain the right to keep and bear arms is, as a last resort, to protect themselves against tyranny in government.
Thomas Jefferson
GM Tech on Sat May 19, 2012 5:38 AM
V-5 compressors, when off the car and being installed as service compressor get the entire oil charge in the crankcase- by removing the oil drain bolt on its belly- When on the car, the compressor usually has 3 ounces in the crankcase at any given time- and oil added can be through the suction port
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The number one A/C diagnostic tool there is- is to know how much refrigerant is in the system- this can only be done by recovering and weighing the refrigerant!!
Just a thought.... 65% of A/C failures in my 3200 car diagnostic database (GM vehicles) are due to loss of refrigerant due to a leak......
iceman2555 on Sat May 19, 2012 10:53 PM
I know the procedure, I am seeking the tech/service bulletin that GM published when this compressor was introduced.
Thanks
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The strongest reason for the people to retain the right to keep and bear arms is, as a last resort, to protect themselves against tyranny in government.
Thomas Jefferson
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