Humming / High Pitch Sound From Drive Line – 2017-2021 Subaru
NHTSA ID Number: 10207215 Manufacturer Communication Number: 03-87-21 Summary This bulletin provides a repair procedure for R152 type rear differentials. INTRODUCTION: This bulletin provides a repair procedure for R152 type rear differentials. In some very rare cases, a customer may experience a humming / high pitch sound coming from the undercarriage while driving. This can be …
