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Home >> Chrysler >> 2009 >> 300 Signature Series >> Repair and Diagnosis >> External Pages >> Different car >> Section 78 (HVAC Systems (Service Information)) >> Controls >> Clutch-A/C Compressor >> Standard Procedure >> A/C Clutch Break-In

A/C Clutch Break-In

WARNING: This page is about a different car, the 2006 Chrysler PT Cruiser. However, it is still accessible from the selected car via links, so may be relevant.

After a new A/C compressor clutch has been installed, cycle the compressor clutch approximately 20 times (5 seconds on, then 5 seconds off). During this procedure, set the A/C-heater controls to the A/C Recirculation Mode, the blower motor in the highest speed position, and the engine speed at 1500 to 2000 RPM. This procedure (burnishing) will seat the opposing friction surfaces and provide a higher compressor clutch torque capability.

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