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Compressor Noise Check: Adjustment

WARNING: This page is about a different car, the 2005 Dodge Stratus and 2005 Chrysler Sebring. However, it is still accessible from the selected car via links, so may be relevant.
  1. Select a quiet area for testing. Duplicate conditions as much as possible. Switch compressor on and off several times to clearly identify compressor noise. To duplicate high ambient conditions (high head pressure), restrict air flow through condenser. Install manifold gauge set to make sure discharge pressure doesn't exceed 2,070 kPa (300.2 psi).
  2. Tighten all compressor mounting bolts, clutch mounting bolt, and compressor drive belt. Check to assure clutch coil is tight (no rotation or wobble).
  3. Check refrigerant hoses for rubbing or interference that can cause unusual noises.
  4. Check refrigerant charge. (Refer to PRESSURE SWITCH CHECK  .)
  5. Recheck compressor noise as in Step  1.
  6. If noise still exists, loosen compressor mounting bolts and retorque. Repeat Step  1.
  7. If noise continues, replace compressor and repeat Step  1.
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