Ester oil and PAG oil

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Ester oil and PAG oil

Postby Wyr » Sat May 25, 2013 4:22 pm

I have read ester oil will tolerate a little remaining mineral oil , left in a R12 -> R134a retrofit ?

This is a 91 Chevy R4 compressor .

The ester oil is labeled 100 viscosity . My understanding is the GM compressors in later cars use PAG 150 ?

Will the difference in viscosity , from 100 to 150 cause me any problems ?

Thanks ,
Wyr
God bless
Wyr
 
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