Heater & Air Conditioner: Refrigerant: Replacement

DISCHARGE REFRIGERANT FROM REFRIGERATION SYSTEM
1. Turn the A/C switch ON.
2. Operating the cooler compressor at the engine RPM of approx. 1,000 for 5 to 6 min., circulate the refrigerant and collect compressor oil remaining in each component into the cooler compressor as much as possible.
3. Stop the engine.
4. Let the refrigerant gas out.
  SST 07110-58060 (07117-58080, 07117-58090, 07117-78050, 07117-88060, 07117-88070, 07117-88080)
CHARGE REFRIGERANT
1. Using a vacuum pump, perform a vacuum pumping.
2. Charge refrigerant, HFC-134a (R134a).
  Standard: 550 +/- 50 g (19.37 +/- 1.76 oz.)
  
  SST 07110-58060 (07117-58060, 07117-58070, 07117-58080, 07117-58090, 07117-78050, 07117-88060,07117-88070, 07117-88080)
  
  Fig 1: Height Pressure Vs Refrigerant Amount Graph
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
WARM UP ENGINE
INSPECT LEAKAGE OF REFRIGERANT