1Tony Posted August 20, 2018 Share Posted August 20, 2018 Hello guys, I have recently purchased a 2008 Landy defender tdci 6 speed gear box. When I’m shifting through the gears and go back on the gas I am hearing a clunking noise, I’m worried that it might be a problem with the gearbox, if anybody can give me some advice on this matter I would be grateful. Many thanks Tony Quote Link to comment Share on other sites More sharing options...
ianmayco68 Posted August 20, 2018 Share Posted August 20, 2018 Hi Tony welcome to the mad house , have you brought just the gearbox or have you brought the Land Rover tdci with a 6 speed box ? If the former did the old box clunk ? But I’m guessing it’s the latter , if so I’d check the uj’s on the propshafts and then check for play in the drive flanges on each wheel 1st . cheers Ian Quote Link to comment Share on other sites More sharing options...
Bigj66 Posted August 21, 2018 Share Posted August 21, 2018 I have a similar problem on my TD5. Had a look the other day and the rear diff seems ok. The P.O. had already replaced the halfshafts and flanges but the rear prop also looks a bit dry and has some sideways play in the splines of the sliding section. I’ve ordered a new one to at least eliminate that. Other causes can be worn suspension bushes so it’s overalls on time and go for a trip down under to check everything. Quote Link to comment Share on other sites More sharing options...
Retroanaconda Posted August 21, 2018 Share Posted August 21, 2018 A well known fault in the Tdci models is the adaptor shaft between the gearbox and transfer box which causes a clunk and eventually loss of drive. Quote Link to comment Share on other sites More sharing options...
Gazzar Posted August 21, 2018 Share Posted August 21, 2018 Yes, it's a dry adaptor, it worked so well with the R380 that JLR used the same technique for the 6 speed (sarcastic). Still, it's keeping Dave Ashcroft in business, there's a modification kit on their website. G. Quote Link to comment Share on other sites More sharing options...
oneandtwo Posted August 21, 2018 Share Posted August 21, 2018 If it’s a 90, fit a pair of 300tdi rear halfshafts - that will probably cure half the clunk. The other half is likely to be the adaptor shaft as above. I have the Ashcroft adaptor kit but haven’t ever got round to fitting it to my TDCI yet! Quote Link to comment Share on other sites More sharing options...
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