Rear diff usually hoos at a specific speed e.g Whirring noise, consistent and increasing with speed model years 2012 to 2017 1 reading jump to latest 60 mph when gear lash occurs
Subaru Crosstrek Service Manual - Assembly - Front differential assembly
Had it on two diffs and living with it
I can best describe it as a whirring noise that increase pitch with the speed of the car, not the rpm and is independent of.
This guide covers the common drive shaft failure symptoms, replacement costs, and complex compatibility for the 2009. A failing differential (rear and front) will make a whining, whirring, humming, and howling noises Dipstick read a little low, replaced the diff fluid with marginal improvement The fluid had a lot of little bubbles on the dipstick after.
Confirm the source of the sound is the rear diferential and not from the wheel bearings and drive shafts before proceeding Different mechanical problems announce themselves with very distinct noises To fix these problems, mechanics would need to diagnose the problem using specialized tools such as an oscilloscope and magnetic. I own a 2019 crosstrek that exhibits a whine coming from the rear differential between 60 & 70 mph
In this video i discuss the difference noise between a bad wheel bearing and a bad.
Its only a minor annoyance, but my 2012 impreza didn't make this sound It sounds like a whirrring hum The subaru crosstrek is engineered for versatility—blending urban utility with weekend trail confidence in a compact,. Humming / high pitch sound.
