Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSTOYOTA2001HIGHLANDER 2WD L4-2.4L (2AZ-FE)REPAIR AND DIAGNOSISHEATING AND AIR CONDITIONINGSERVICE AND REPAIRCHARGING
2001 Toyota Highlander 2WD L4-2.4L (2AZ-FE)
Charging
2001 Toyota Highlander 2WD L4-2.4L (2AZ-FE)SECTION Charging
REPLACEMENT
1. DRAIN HFC-134A (R134A)
a. Turn the A/C switch ON.
b. Operating the cooler compressor at the engine rpm of approx. 1,000 for 5 to 6 mm., circulate the refrigerant and collect compressor oil remaining in each component into the cooler compressor as much as possible.
c. Stop the engine.
d. Let the refrigerant gas out.
SST 07110-58060 (07117-58080, 07117-58090, 07117-78050, 07117-88060, 07117-88070, 07117-88080)
2. CHARGE REFRIGERANT
a. Using a vacuum pump, perform a vacuum purping.
b. Supply refrigerant, HFC-134a (R134a).
Standard: 650 ± 50 g (22.93 ± 1.76 oz.)
SST 07110-58060 (07117-58060, 07117-58070, 07117-58080, 07117-58090, 07117-78050, 07117-88060, 07117-88070, 07117-88080), 07117-48130, 07117-48140
3. WARM UP ENGINE
4. INSPECT LEAKAGE OF REFRIGERANT
1. DRAIN HFC-134A (R134A)
a. Turn the A/C switch ON.
b. Operating the cooler compressor at the engine rpm of approx. 1,000 for 5 to 6 mm., circulate the refrigerant and collect compressor oil remaining in each component into the cooler compressor as much as possible.
c. Stop the engine.
d. Let the refrigerant gas out.
SST 07110-58060 (07117-58080, 07117-58090, 07117-78050, 07117-88060, 07117-88070, 07117-88080)
2. CHARGE REFRIGERANT
a. Using a vacuum pump, perform a vacuum purping.
b. Supply refrigerant, HFC-134a (R134a).
Standard: 650 ± 50 g (22.93 ± 1.76 oz.)
SST 07110-58060 (07117-58060, 07117-58070, 07117-58080, 07117-58090, 07117-78050, 07117-88060, 07117-88070, 07117-88080), 07117-48130, 07117-48140
3. WARM UP ENGINE
4. INSPECT 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.