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Home >> Chevrolet >> 2012 >> Tahoe Base, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1728 (Automatic Transmission - 4L60-E/4L65-E/4L70-E - Symptom Troubleshooting And Diagnosis) >> Buzz Noise or High Frequency Rattle Sound

Buzz Noise or High Frequency Rattle Sound

WARNING: This page is about a different car, the 2010 GMC Sierra and 2010 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
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DEFINITION: A buzz or high frequency rattle
  • Trace Cooler Pipes
  • Check 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 gauge. A road test may be necessary. Refer to Road Test .
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