Final Drive Noise or Hum Noise. Chevrolet HHR 2009

For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 2009 🢒 HHR 🢒 Transmission 🢒 Automatic Transmission - 4T45-E 🢒 Final Drive Noise or Hum Noise

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