Transmission whine

dv8i · Aug 17, 2022

Hi all.

My 2004 td5 defender has developed a whine above 30mph when accelerating. It goes away when cruising or freewheeling.

Removed both drive shafts in turn and no difference. It happens in 3rd 4th and 5th gear. Think is it transfer box or gearbox.

cheers gary
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miktdish · Aug 17, 2022

Oil levels checked ?

dv8i · Aug 18, 2022

miktdish said:
Oil levels checked ?

Yes I changed all oils in hope it would sort it. Mtf 94 in box and ep90 in the transfer box. No difference

dv8i · Aug 18, 2022

Yes changed gearbox, transfer and diff oils to be on the safe side.

frog hopper · Aug 22, 2022

Had the same problem with my RRC, tried the easy option first which was a fluid change right through, G'box/T'box/diffs.
I had a look on Ashcroft's site and bought some oil as (sort of ) recommended, surprisingly the noise is gradually getting less and less over the last 5/600 Km.

Transmission whine

dv8i

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miktdish

Guns n Chainsaws

dv8i

Member

dv8i

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frog hopper

Well-Known Member

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