[W126 Coupe] A/C conversion

[Dick Spellman]

Hi Hein:

I use the AC Flush mfg. by Air Repair from www.ackits.com.  For the correct part #'s for your year SEC I would recommend you contact Jonathan or Rusty.  The Schrader valves are both the same size for high and low side and are at your local parts store, look for GM thread and fitting.  I think they are 5/16 but not sure.  

If replacing the compressor with a new one, be sure to follow the recommendations for removal of oil and replenishment with correct PAG viscosity and volume BEFORE you re-install the compressor and cycle it on.  You need the correct volume for compressor, R/D and any other component you flush or replace so that the sealed system has the correct total volume of lubricant.  ACKITS technical support should be able to do this calculation for you.  Just give them a call.  They are located in Arizona so it's PST.  By the way, getting at and R&R of the ETR is a real PIA.  Are you sure it has fouled with debris?

Good luck,

Dick 
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