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        General >> Problems >> Car vibrates
        
(Message started by: craigs2007 on Sep 23^rd, 2007, 9:39am)

Title: Car vibrates
Post by craigs2007 on Sep 23^rd, 2007, 9:39am

Hi,
Ive got a 1995 2.9 12v scorp
When i hit 65-70mph the whole car starts to vibrate,it goes away if i slow up to about 60.Ive had the wheels balanced but that dont seem to have changed the situation
Any suggestions on what it could be?

Thanks

Title: Re: Car vibrates
Post by Snoopy on Sep 23^rd, 2007, 9:49am

Try changing the wheels around ..... Front to back etc but it does suggest that it is wheel balance or you have a wheel bearing (s) gone but iwould have thought the speed sensitive shudder/wobble is balance related.

Title: Re: Car vibrates
Post by Highlander on Sep 23^rd, 2007, 10:31am

Propshaft bearing
Gearbox output shaft bearing,
diff bearing
cv joint

Get underneath and see what moves with a shake..

Make sure you dont grab anything HOT :)

Title: Re: Car vibrates
Post by craigs2007 on Sep 23^rd, 2007, 3:33pm

Thanks for replies..ive had the rear left side wheel bearing changed also bushes a few weeks back.ive had a mate look under it and he cant see or feel anything

Title: Re: Car vibrates
Post by Snoopy on Sep 23^rd, 2007, 8:01pm

In that case check the bearing retaining nut on the hub you had changed they have got a habit of undoing , in particular as it is the nearside ..... Can you drive through it... i.e does it go away over 70 ( make sure you don't get caught)

Title: Re: Car vibrates
Post by craigs2007 on Sep 23^rd, 2007, 9:05pm

Ive taken it up to 90 and it was vibrating so bad it scared me..Maybe im just going to have to drive at 65mph down the motorway :-[

Title: Re: Car vibrates
Post by Tompion on Sep 23^rd, 2007, 10:17pm

Check the tyres carefully for any bulges etc. Run your hands over them after a run to see if there are any hot spots.
On a long journey once I had a vibration that kept coming & going. I kept stopping and checking but couldn’t find anything, I just assumed it had thrown a wheel weight. Finally I noticed some people looking down at the back of the car as they passed by. When I ran my hands round the rear tyre I found a hot spot & whilst looking at it the tyre started changing shape! When I eventually returned from my newly found hiding place it had a flat across the top of the tyre with the wall bulged out, so I let the air out & it completely changed shape where the flat was now bulged up so the tyre was egg shaped. The tyre fitter said he’d never seen anything like it, he reckoned water had got into the carcase & rotted the wires. I reckon I was about half a mile from testing out the Armco (in a 4 up holiday loaded Maestro).

Title: Re: Car vibrates
Post by jonnycab on Sep 24^th, 2007, 12:08am

Could be the rubber donut about to give out :-/

Had this on my MK1 Granny...was getting a bit shakey when at high speed .....then bang !! & felt like something was whacking the bottom of the car :o.....was bits of rubber from the donut ::)

Failing this theory...has the prop been detatched from the diff recently ? :)

Title: Re: Car vibrates
Post by Highlander on Sep 24^th, 2007, 1:43am

Sorry I should have used the technical term for the propshaft bearing to avoid confusion

It is as rightfully described by Jonnycab a "rubber donut" ;D
http://i19.tinypic.com/6blvtrk.jpg

Although technically they are two different parts ;)

Title: Re: Car vibrates
Post by joe-satch on Sep 24^th, 2007, 9:55am

i would say its the rubber coupling on the propshaft.i noticed mine was split in three parts....on my mk3 granada.....so i set about changing it..no problems now...good luck.

Title: Re: Car vibrates
Post by craigs2007 on Sep 25^th, 2007, 1:02pm

Thanks again for replies..where would i get the part?

Title: Re: Car vibrates
Post by Highlander on Sep 25^th, 2007, 5:40pm

Ford or http://www.Fordpartsuk.com if that is the problem