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Home >> Chevrolet >> 2008 >> HHR SS, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Automatic Transaxle - 4T45-E - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis) >> Diagnostic Information and Procedures >> Buzz Noise or High Frequency Rattle Sound

Buzz Noise or High Frequency Rattle Sound

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Buzz Noise or High Frequency Rattle Sound

Checks Action
  • Trace Cooler Pipes
  • Inspect for binding or contact at the radiator, other than at the cooler pipe connectors.
 Verify a pressure buzz by watching for a needle vibration of the pressure gage. A road test may be necessary. Refer to Road Test .
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