Vehicle & Technical > Range Rover

clanking sound under stress

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way2deep:
my rangie that has a viscous type diff lock transfer box is starting to make a horrible clanking sound almost like teeth jumping sound when it's under heavy stress ...ie pulling away sometimes for a couple of seconds but a lot worse if attempting a hill climb ,,,,thing is ,,would it be the transfer box or front diff thats the problem...to be honest it does sound transfer box to front end area...if it is transfer box would it be complete box removal or can the insides be swapped in situ....

Skibum346:
Starting point for me would be to check all the bushes... then the UJ's on the props...

But if your certain it's coming from the Tx box it could be the chain or cogs inside are on their way out.

In which case, it's replace or rebuild I'm afraid.

ChrisV8:
:( Sounds like the viscous unit may be seized and forcing the chain over the sprockets ?

Jack one front wheel up and try and turn it, if you can't likely it's seized. Details of how to change it are on Ashcroft's site. But you could change to a normal LT230 for less cost ! See post above.

way2deep:

--- Quote from: ChrisV8 ---:( Sounds like the viscous unit may be seized and forcing the chain over the sprockets ?

yeah,it does make that sort of sound. :( i got a spare transfer box .looks like my job for the weekend is sorted then  :(

is it a complete t/box swap or can the insides be replaced in situ then
--- End quote ---

ChrisV8:
If it's just a seized viscous you can change that insitu without taking the box out, support the box and take the front prop off and the bit with the viscous unit off, 8 bolts I think, it has the gearbox mount attached. Unbolt the unit, new one in and replace.

Otherwise look at the links on the post above changing a BW is very similar.

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