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        General >> Problems >> faint knocking sound from back wheel??
        
(Message started by: lucydog on Apr 4^th, 2008, 8:30pm)

Title: faint knocking sound from back wheel??
Post by lucydog on Apr 4^th, 2008, 8:30pm

hi, i am hearing a faint knocking sound from the rear wheel of my 97 scorpio when the car has done a few miles?, as soon as i apply the brakes the knocking stops?. do you think its the wheel bearing and if so would giving the bearing a quick tighten solve the problem?... thanks all..

Title: Re: faint knocking sound from back wheel??
Post by Kjetil S on Apr 4^th, 2008, 10:41pm

on 04/04/08 at 20:30:08, lucydog wrote:

do you think its the wheel bearing...

Possibly. Could perhaps be other things as well. Other members may know more.

on 04/04/08 at 20:30:08, lucydog wrote:

...and if so would giving the bearing a quick tighten solve the problem?

No. If it's the bearing, then the only solution is to change it.

Title: Re: faint knocking sound from back wheel??
Post by Snoopy on Apr 5^th, 2008, 8:32am

Does sond ominously as thogh the rear wheel bearing has gone.

Quite an easy DIY job on the scorpio just follow the instructions as per the web site .

Good luck.
PS If it is and you need the HUB I do have a second hand one ! Cheap!

Title: Re: faint knocking sound from back wheel??
Post by gozz on Apr 5^th, 2008, 10:28am

lucydog.
The rear wheel bearings are pre spaced and the hub nut should be torqued to 200 lb/ft.They are not adjustable,if your hub nut happens to be loose it is almost certain that the bearings will be damaged.
GOZZ

Title: Re: faint knocking sound from back wheel??
Post by jonnycab on Apr 5^th, 2008, 12:56pm

Could be a drive shaft CV joint, they tend to knock when worn :)

Also check that the caliper isn't loose.

Another culprit, which I had a while back & was causing a small knock, was a broken brake pad retaining spring :)