Model: Grand Prix
Engine Size: 3100
Refrigerant Type: 134
I am changing out the compressor, accumulator/drier, and orifice tube. Reason is the compressor has gotten noisey over the last three years and system will not hold a charge now. The bottom side of the compressor was covered with what appears to be the PAG oil being blown out with the freon. At least I hope this is the case.
I've read a lot of different "oil amounts" needed for the new compressor and drier, I'm just not sure how much it really needs.
I drained 1.5 oz from the compressor (old) from the drain plug.
I never did get any oil to drain from the drier, so I cut it open to have a look. No oil was pooling in the bottom, but the bags were fully saturated with oil.
So, I was thinking 2.0 oz in the compressor; and 2.0 oz in drier?
This is the V5 compressor
AUTOMATIC A/C SYSTEM SPECIFICATIONS
Compressor Type Harrison V5 5-Cyl. Or HD6/HR6-HE 6-Cyl.
Compressor Belt Tension (1)
System Oil Capacity (2) 8 ozs.
Refrigerant (R-134a) Capacity 32 ozs.
System Operating Pressures (3)
High Side 275 psi (19.3 kg/cm2 )
Low Side 37 psi (2.6 kg/cm2 )
(1) Adjustment is not necessary. Belt tension maintained by an automatic tensioner.
(2) Use PAG Compressor Oil (Part No. 12345923) and R-134a refrigerant.
(3) Approximate maximum operating pressures with ambient temperature of 70ÃÂ°F (21ÃÂ°C), relative humidity of 50 percent, and engine speed of 2000 RPM.
Leaving original oil in the system means one simply guesses at how my oil to add. Is there still 4 ounces in your system?
Thanks for the reply.
Yea, I understand what you're talking concerning oil left in the system. I was just trying to make a educated guess of how much oil would be safe to add.
I'll try the same amount that drained from old compressor (1.5 oz) and 1.5 oz in the new drier.
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