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Home >> Chevrolet >> 2006 >> HHR LS, Automatic >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transaxle - 4T45-E - Service, Diagnosis & Troubleshooting >> Diagnostic Information and Procedures >> Buzz Noise or High Frequency Rattle Sound

Buzz Noise or High Frequency Rattle Sound

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 Procedure .
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