Heater & Air Conditioner: Refrigerant: Replacement

2006 Toyota 4Runner SR5, 4.7 T, AWDSECTION Replacement
  1. 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)

  2. CHARGE REFRIGERANT 
    1. Using a vacuum pump, perform a vacuum purging.
    2. Charge refrigerant, HFC-134a (R134a).

      Standard: 600 +/- 30 g (21.16 +/- 1.06 oz.) 

      SST 07110-58060 (07117-58060, 07117-58070, 07117-58080, 07117-58090, 07117-78050, 07117-88060, 07117-88070, 07117-88080)

      Fig 1: Pressure Charge Refrigerant Graph
      G04331681Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
  3. WARM UP ENGINE 
  4. INSPECT LEAKAGE OF REFRIGERANT 
    1. Using a gas leak detector, check for leakage of refrigerant.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.