Slight vibration at high speed

Submitted: Thursday, Mar 28, 2013 at 23:05
ThreadID: 101359 Views:2906 Replies:4 FollowUps:3
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Have a mazda bt50 5 cylinder which has done 12,000klms it drives great real smooth on a trip down to the daly river on about 10klms of slippery mud it was all over the place and abs going crazy, after fishing for couple of hours returned and when on bitumen at 85 I felt a difference like a slight vibration. Passenger even commented as I stopped and checked the tires as I thought I had picked up a nail or a rock, no steering vibration so Ime thinks its coming from the back end. Put it in to Kelly's in Darwin for its 10klm service ($508) thank you and guess what, they said it was different from one of their vehicles but they could not find anything wrong? Surprise....

Any suggestions, have it booked in at pedders in darwin, but not till next month as I,m down the daly fishing from tweed heads nsw.
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Reply By: Member - cherrywipe - Friday, Mar 29, 2013 at 08:23

Friday, Mar 29, 2013 at 08:23
Hi Scotty,
Could it be something simple as mud caked on inside of rims. Especially if vehicle was ok before entering the mud.
Cheers
AnswerID: 507782

Reply By: Member - John N (SA) - Friday, Mar 29, 2013 at 08:33

Friday, Mar 29, 2013 at 08:33
G'day Scotty,

A travel mate has the Ford Ranger version - after our Cape trip he had a similar vibration which he found was sand and mud jammed into an open section on the drive shaft. Cleaned this out and all good. He found the solution was also discussed on a Ranger forum. I'm not sure where that was but a search may find it.

Cheers

John
AnswerID: 507784

Follow Up By: Scotty - Thursday, Apr 18, 2013 at 06:21

Thursday, Apr 18, 2013 at 06:21
yes John, spot on, had it in at Kerry's in Darwin for it's 10,000 service and asked them to have a look, they replied that they could not find anything wrong but had also felt the vibration, took it round to Pedders and within three seconds of having it up on the hoist had located the problem. What a dogof an idea having the harmonic balance open at the front and closed at the back of a 4wd.....thanks to everyone
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FollowupID: 787023

Reply By: Allan B (Member, SunCoast) - Friday, Mar 29, 2013 at 13:50

Friday, Mar 29, 2013 at 13:50
You may have lost a wheel balancing weight. Get a wheel balance performed.
Cheers
Allan

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AnswerID: 507799

Reply By: Rockape - Friday, Mar 29, 2013 at 16:34

Friday, Mar 29, 2013 at 16:34
Mate, from someone who has played in mud for as i don't want to know. Not from my own choice I might add.

Wash the underside of your vehicle and your rims. Problem should go away.

pretty standard for any 4wd that has been through mud.
AnswerID: 507813

Follow Up By: Scotty - Thursday, Apr 18, 2013 at 06:24

Thursday, Apr 18, 2013 at 06:24
yes have done that, pretty hard on the banks of the Daly River as I'm not sitting in my armchair at home in the suburbs with access to a high pressure hose and water, the banks of this river are fairly steep......
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FollowupID: 787024

Follow Up By: Rockape - Thursday, Apr 18, 2013 at 07:00

Thursday, Apr 18, 2013 at 07:00
Yep when I get out of my armchair. I get the missus to pull my wheels off and wash the rims by hand, while I supervise of course.
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FollowupID: 787026

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