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Symptom Chart - NVH

WARNING: This page is about a different variant/trim than selected.
NOTE: NVH symptoms will be identified using the diagnostic tools that are available. For a list of these tools, an explanation of their uses and a glossary of common terms, refer to NOISE, VIBRATION & HARSHNESS article. Since it is possible any one of multiple systems may be the cause of a symptom, it may be necessary to use a process of elimination type of diagnostic approach to pinpoint the responsible system. If this is not the causal system for the symptom, refer back to NOISE, VIBRATION & HARSHNESS article for the next likely system and continue diagnosis.
SYMPTOM CHART - NVH

Condition Possible Sources Action
  • Noisy A/C compressor
  • A/C compressor clutch air gap out of specification
  • CHECK and ADJUST the A/C compressor clutch gap if necessary. REFER to AIR CONDITIONING (A/C) CLUTCH AIR GAP ADJUSTMENT  in this service information. TEST the system for normal operation.
  • If the A/C compressor clutch gap is OK, INSTALL an A/C compressor clutch. REFER to CLIMATE CONTROL article. TEST the system for normal operation.
  • A/C compressor pulley bearing worn
  • INSPECT the A/C compressor pulley bearing for roughness. If bearing roughness is found, INSTALL an A/C compressor pulley. REFER to CLIMATE CONTROL article. TEST the system for normal operation.
  • A/C compressor bearing worn
  • INSPECT the A/C compressor bearing for roughness. If bearing roughness is found, INSTALL an A/C compressor. REFER to CLIMATE CONTROL article. TEST the system for normal operation.
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