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BOSCH 6-CYL Drain & Refill

  1. Before checking and adjusting oil level, operate compressor at engine idling speed, with controls set for maximum cooling and high blower speed, for 20 to 30 minutes to return oil to compressor.
  2. Stop engine and discharge refrigerant using approved refrigerant recovery/recycling equipment. Remove refrigerant oil level inspection plug on side of compressor. Oil should be at lower lip of threaded hole. Add necessary new refrigerant oil (if low). Replace inspection plug and tighten to 10-12 ft. lbs. (14-16 N.m).
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