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 MANUALSHYUNDAI2011ELANTRA TOURING L4-2.0LREPAIR AND DIAGNOSISHEATING AND AIR CONDITIONINGREFRIGERANT PRESSURE SENSOR / SWITCHSERVICE AND REPAIRREPAIR PROCEDURES
2011 Hyundai Elantra Touring L4-2.0L
Repair Procedures
2011 Hyundai Elantra Touring L4-2.0LSECTION Repair Procedures
Inspection
1. Measure the pressure of high pressure line by measuring voltage output between NO.1 and NO.2 terminals.
2. Inspect the voltage value whether it is sufficient to be regular value or not.
Voltage = 0.00878835 * Pressure + 0.37081095 [PSIA]
3. If the measured voltage value is not specification, replace the A/C pressure transducer.
Replacement
1. Disconnect the negative (-) battery terminal.
2. Recover the refrigerant with a recovery/charging station.
3. Disconnect A/C pressure transducer connector (3P) (A).
4. Remove the A/C pressure transducer (B).
CAUTION:
Take care that liquid & suction pipe are not bent.
5. Installation is the reverse order of removal.
TORQUE : 10 - 12 N.m (1.0 - 1.2 kgf.m, 7.4 - 8.8 lbf.ft)
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.