humming noise from rear wheel

[eujinee]

i scared my b out of balance...coupling got slight free play....let see wat my mech say..hopefully can repair..if not change whole set of shaft gona burn my wallet deep...

 

[eujinee]

just fixed my chop shop drive shaft....it fixed the deep bassy humming problem..but i still can hear abit @ 110kph - 120kph...it is normal...im asking bcoz i haven sit in other e46 model beside mine car....

 

[rsctan]

check wheel bearings. should be kaput d

 

[irdanlz84]

bro you have done 3 out of 4 recommendations from astroboy, perhaps the wheel bearing is the culprit?

 

[eujinee]

bro you have done 3 out of 4 recommendations from astroboy, perhaps the wheel bearing is the culprit?

After change the long shaft...the humming from volume 10 now at volume 2....still can hear..but duno its normal o not...anyway..will find some 1 with e46 and try it out....thanks bro..

 

[eujinee]

[video=youtube;tYo4VUojFds]http://www.youtube.com/watch?v=tYo4VUojFds"]http://www.youtube.com/watch?v=tYo4VUojFds[/video]

this was before fixed drive shaft....sound started with whinning 80-100..thn bassy on 100 above.....

 

[puginfo]

which model E46 is this bro?

 

[eujinee]

318i..1.9 vers

 

[Monfreeze]

Hi Bros and gurus,

I have a similar problem, mine is the 320i E90 2006, and was informed that the Rear Diff is the culprit.....

i am having the funny sound and can't seem to figure it out, i noticed this about 2 months back and its getting louder, kinda wang, wang, wang sound. its starts around 70km/h till about 85km/h, and above 85km/h it disappears. only occurs at a certain speed. i have changed the front wheel bearings and that didn't help either. Its something mechanical...i guess...not tyres either...

Hope you can hear it on the video here, kinda obvious around the 1.40min mark of the video....

IMG_0772.MOV - YouTube

Help and inputs are much appreciated as this is driving me nuts:huhhuh

any idea of a good workshop in KL/Klang Valley area? any bros changes the Rear Diff?

Can i get it at the Half Cart shop?

Thanks

 

[Ibrahim Hanif]

zeedo is right! Selective speed humming is not the wheel bearing. Can possibly be differential box. Try changing the rear diff oil.

What is rear diff oil?. Any explaination?. Thanks for info.

 

[tropos_net]

the rear differential needs lubrication for the crown wheel and pinion shaft inside. this one needs to be replenished. is good idea to replace with new lubricant (hypoid) plus with some liqui moly friction modifier. so the whining will be reduced.