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How to test for a worn wheel bearing

How to test for a worn wheel bearing

Author
Discussion

coley20

Original Poster:

2,203 posts

93 months

Wednesday 15th April 2009
quotequote all
Im pretty sure I need a new wheel bear, got a rumbling which seems to get worse when i bare left.

To test should I, jack the car up spin the wheel and see if there is any play?

Also is it an easy thing to change or best leave it for a garage?

(E39 530d)

dave_s13

10,390 posts

171 months

Thursday 16th April 2009
quotequote all
Jack car up, grab top and bottom (or left/right) of wheel and check for lateral play. Don't think there should be much.

Try googling "e39 wheel bearing"

PJ S

10,341 posts

129 months

Thursday 16th April 2009
quotequote all
Side to side is best for bearing, as top-bottom could show upper wishbone knuckle joint issue.
Supposed to be a bit of singing at anything over 40, so window down and listen.

bazking69

8,612 posts

92 months

Thursday 16th April 2009
quotequote all
Most noticable at 50-56MPH, and gets a little quieter above that?

jkennyd

2,857 posts

101 months

Thursday 16th April 2009
quotequote all
Side to side is the way to go. Listening for the whine while driving. You may even feel it without having to jack it up (sounded a bit sexual that last part smile )
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ChasW

1,265 posts

104 months

Thursday 16th April 2009
quotequote all
This has happened to me three times. Grating noise can usually be detected when car is jacked up and you spin the wheel.

If it's not under warranty just take it to local garage. It's a routine job.

Deano_BMW

346 posts

88 months

Thursday 16th April 2009
quotequote all
check your CV joint/boot too

SJobson

10,213 posts

166 months

Friday 17th April 2009
quotequote all
My BMW specialist says wheel bearings on the E39 are a nightmare to diagnose because they don't really have any play even when they're properly going. He wasn't trying to sell me new bearings; he told me not to bother replacing them.

coley20

Original Poster:

2,203 posts

93 months

Friday 17th April 2009
quotequote all
guess ill just wait and see what mot brings up the rear one seems to have a bit of play im worried its the diff

mr.man

452 posts

118 months

Saturday 18th April 2009
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Just one thing about E39 wheel bearings and that is that I replaced both front bearings only to discover they weren't really worn. The rumbling noise was coming from the TYRES just as my main dealer suggested it could be but I didn't believe them. Changed from Continentals to Eagle F1's and no more noise.

SJobson

10,213 posts

166 months

Sunday 19th April 2009
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My Goodyear F1s make loads of noise on some surfaces, so they're not a panacea.

ChasW

1,265 posts

104 months

Sunday 19th April 2009
quotequote all
Although my experience was with non-BMW if the problem is wheel bearings the noise will get worse

ChasW

1,265 posts

104 months

Sunday 19th April 2009
quotequote all
Although my experience was with non-BMW if the problem is wheel bearings the noise will get worse