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Home >> Chevrolet >> 2012 >> Cruze Eco, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 128 (Automatic Transmission - 4T45-E - Symptom Troubleshooting And Diagnosis) >> Final Drive Noise or Hum Noise

Final Drive Noise or Hum Noise

WARNING: This page is about a different car, the 2010 Pontiac G5 and 2010 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
Checks Causes
DEFINITION: A final drive noise or hum is most noticeable under light throttle acceleration or turns.
  • Final Drive Gear Set (116)
  • Final Drive Internal Gear (118)
  • Worn planet pinions
  • Worn washers
  • Worn or damaged teeth
  • Differential Carrier (116)
  • Differential Side Gears (709)
  • Worn or pitted gears
  • A damaged thrust washer