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 MANUALSCHRYSLER2003300M V6-3.5L VIN MREPAIR AND DIAGNOSISHEATING AND AIR CONDITIONINGREFRIGERANT PRESSURE SENSOR / SWITCHSERVICE AND REPAIR
2003 Chrysler 300M V6-3.5L VIN M
Refrigerant Pressure Sensor / Switch: Service and Repair
2003 Chrysler 300M V6-3.5L VIN MSECTION Service and Repair
A/C PRESSURE TRANSDUCER
REMOVAL
1. Open hood and disconnect the negative battery cable remote terminal from the remote battery post.
2. Disconnect the wire harness connector from the a/c pressure transducer.
CAUTION: A slight release of pressure trapped in the fitting may be experienced. It is not necessary to discharge the refrigerant system.
3. Remove the transducer with a counterclockwise rotation using a 14 mm open-end wrench.
INSTALLATION
1. Install the a/c pressure transducer on the discharge line fitting and tighten to 6 Nm (50 in. lbs.).
2. Plug in the wire harness connector to the a/c pressure transducer.
3. Connect the battery negative cable to the remote battery post
Fig. 10 Negative Battery Cable Remote Terminal:
REMOVAL
1. Open hood and disconnect the negative battery cable remote terminal from the remote battery post.
2. Disconnect the wire harness connector from the a/c pressure transducer.
CAUTION: A slight release of pressure trapped in the fitting may be experienced. It is not necessary to discharge the refrigerant system.
3. Remove the transducer with a counterclockwise rotation using a 14 mm open-end wrench.
INSTALLATION
1. Install the a/c pressure transducer on the discharge line fitting and tighten to 6 Nm (50 in. lbs.).
2. Plug in the wire harness connector to the a/c pressure transducer.
3. Connect the battery negative cable to the remote battery post
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.