Vehicle & Technical > Defender

Vibration

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Guy90:

--- Quote from: "ChrisW" ---Have you tried it without the props on? (One at a time obviously  :roll: )
--- End quote ---


Chris,

Good idea :D . I'll try that next.

hingmy:
what sort of vibration? Mechanical clunky knocky type or oh poo let go of the steering wheel type. If erring towards the latter look at the panhard rod bushes and bolts and the front radius arm bushes. Last itme the panhard rod decided to let go it was unmanageable at about the speed you mention.

Eeyore:
If there's paly in the transfer box output bearings (you mentioned play at the flange, that'll create some sinister vibrations. So it could be worth getting them checkeda little more thoroughly (I'm having exactly that problem at the moment, myself)

Cheers
 8)
Eeyore

Guy90:
There is about 2mm play at the transfer box flange. There is also about 4mm play in the driver side swivel.

Front radius arms were fairly recently polybushed. must admit I haven't looked at the panhard rod.

The vibration is not so violent I can't take my hands off the steering wheel but is annoying and the 90 is unplesant to drive because of it.

The vibration starts at around 10mph and gets worse as the speed increases. It is at it's worse at around 30mph to 35mph. It then begins to subsid as the speed increases and has pretty much gone by the time I hit 50mph.

Cruising at 65mph and you can't feel anything.

Lee_D:
Swap your tyres front to back, if only to eliminate them.

I had similar on the 101 but that was the Pinion bearings, the front diff on a 101 is a Salisbury so it was a [!Expletive Deleted!] to do.

Panhard rod bushes are on my list of things I'd be exploring first..and also getting rid of the play in the swivel... all this play adds up.

Lee

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