Vehicle & Technical > Defender

gearbox noise

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andygod:
I have a whining sound coming I think from the gearbox (sounds a bit like the sound a large electric motor makes). I’m about to change the diff oil, transfer box oil and the gearbox oil to try and cure it. The noise only comes when I accelerate and happens in all gears. When I press the clutch the noise stops. Have you any ideas please.

I know I'm about to regret the electric motor analogy.

Andy

JimP:
My Disco has developed the same noise, the electric motor analogy is good! Mine is mostly on deceleration though.

I have not idea what it is either!  ](*,)

kizz81:
is there any oil present?

andygod:
Not sure what you mean?

trecfive:
If you press the clutch and the noise goes,thrust bearing or input shaft bearing springs to mind.

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