I am replacing the compressor on a 97 accord as well as the evaporator and rec/dryer with the rest of the system flushed. I didn't realize that the denso compressors (the new one) came pre-filled with oil....i had already bought some supercool DEC PAG 46. The specs i found for the system say 5.5oz and i would like to use the DEC PAG. Is it fine to just drain the compressor and then use the better oil (i understand all OEM is not DEC?)? I actually drained the new one though just to see how much was in it as i am sure that compressor is actually used on different cars and i could only get 3oz out of it (so i am glad i did). Where is the best location to put the oil in this case, is it safe to put it all in the compressor or should i split it in the rec/dryer too (evap already unaccessible)?
Know how you're always supposed to prefill the oil filter when you do an oil change on your engine? I always think along those lines whenever I change a drier. Your compressor is already lubricated, it's not going to lock up right away unless it gets starved for oil. If your drier is already saturated with oil, you get oil back to the compressor that much faster. The compressor doesn't have a sump, lubrication is by oil mist.
Again, AutoCool is a positive addition to TRB's website.
Makes you wonder why the largest compressor manufacturer doesn't give a BFRA about "Supercool".
Isentropic Efficiency=Ratio of Theoretical Compression Energy/Actual Energy.
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