Trumpy Posted October 24, 2022 Report Share Posted October 24, 2022 Hi folks , I’m changing driveshafts on my 5 having discovered play in the ujs and hub bearings . I had intended getting reconditioned exchange shafts / hubs but I’ve seen new shafts with modern cv joints are available , although at nearly £1200 ! Has anyone used these or can recommend them , it seems like a better option but a lot more money . thanks Dave Quote Link to post Share on other sites
PaulAnderson Posted October 24, 2022 Report Share Posted October 24, 2022 (edited) You'll find some partial information on uprated drive shafts on this post on rear wheel bearings. See the same suppliers as they often sell both. Paul Edited October 24, 2022 by PaulAnderson Quote Link to post Share on other sites
rcreweread Posted October 24, 2022 Report Share Posted October 24, 2022 Dave - I think you will find that replacing your existing arrangement with new similar components ( don't go for cheap chinese driveshafts - use instead uprated ones with preferably rislan coated splines), the cost will be pretty much the same as a CV jointed set. CDD quote £985 + Vat for their sets and often do discount deals at shows etc, so worth contacting them direct. Cheers Rich Quote Link to post Share on other sites
michaelfinnis Posted October 24, 2022 Report Share Posted October 24, 2022 The drive shaft u/j's can be replaced quite cheaply even using superior quality ones, as long as the driveshaft splines are not worn ( most suppliers list two grades of u/j). They should then drive and last as well as the original triumph items. An uprated driveshaft using modern cv joints is theoretically a better engineering solution, but whether there is any discernible difference in normal use I couldn't say. Justifying the additional cost is a matter of personal choice. Consensus on hubs seems to be buy new rather than refurbished to avoid any risk of stub axle failure. Mike Quote Link to post Share on other sites
monty Posted October 24, 2022 Report Share Posted October 24, 2022 I was worried about the hub failures that have happened, so although my driveshafts & bearings were showing no symptoms I wanted a little piece of mind so went for the c/v option from Classic Driving Developments. Alisdair was most helpful & I was very impressed with the engineering of his units. They have been fitted for a few months now & all is well so far. I noticed that all play had disappeared & the gear changes feel a little more positive (due I guess from any play taken up by the c/v system). Very pleased with the new units & can recommend. Quote Link to post Share on other sites
Waldi Posted October 24, 2022 Report Share Posted October 24, 2022 I installed the CDD CV shafts too. Risk of sudden stub end failure was one of reasons. On replacement hubs (new, with new axle) some issues were reported. These components are engineered pieces where details in design, materials etc. are vital. The CDD CV shafts are clearly the best solution for me. The improved driving (no more clonk and hang-up in sharp bends) are an additional bonus. Waldi Quote Link to post Share on other sites
Trumpy Posted October 24, 2022 Author Report Share Posted October 24, 2022 Thanks for the replies and info , A set of reconditioned shafts / hubs will of course still have play in the splines although there doesn’t appear to be any detectable play in mine it will be a different set I get back . Is the stub axle failure mentioned the axle shearing when the bearings fail or can it just happen at any time ? CV joints are undoubtedly better but then the ujs have done the job for many years . Quote Link to post Share on other sites
Waldi Posted October 24, 2022 Report Share Posted October 24, 2022 The failures of the stub axle can happen any time, they are fatigue related, and it is practically impossible to detect fatigue by periodic inspection. Load conditions (how aas the car driven in the past) and design modifications (like wider tyres and stiffer dampers) play a roll too. Waldi Quote Link to post Share on other sites
Andy Moltu Posted October 24, 2022 Report Share Posted October 24, 2022 Do not fit rebuilt hubs unless new stub axles have been used. The forces required to split the bearing can critically weaken aging stub axles a number of which have failed shortly after with serious results. I have fitted the cv jointed drive shafts with uprated hubs and have been more than happy with them. Quote Link to post Share on other sites
Trumpy Posted October 26, 2022 Author Report Share Posted October 26, 2022 Thanks all, I think I need to invest in a new set . finger crossed for some show discounts. thanks Dave Quote Link to post Share on other sites
monty Posted October 27, 2022 Report Share Posted October 27, 2022 18 hours ago, Trumpy said: Thanks all, I think I need to invest in a new set . finger crossed for some show discounts. thanks Dave Talk to Alisdair @ Classic Driving Developments. Very helpful guy. Quote Link to post Share on other sites
Trumpy Posted October 27, 2022 Author Report Share Posted October 27, 2022 I Spoke to him briefly a few days ago . He was away though and is calling back when he’s back . Thanks for the recommendation. Dave Quote Link to post Share on other sites
BlueTR3A-5EKT Posted October 27, 2022 Report Share Posted October 27, 2022 (edited) If you choose to rebuild your hub assemblies here is an original NOS outer axle shaft for sale. The one that cracks on ancient hub assys Not mine but would be of use to someone rebuilding original hubs correctly This seller comes up with some quite nice NOS stuff. https://www.ebay.co.uk/itm/Triumph-TR4A-TR6-Outer-Axle-shaft-1965-1976-NEW-Original-Leyland-Item-UKC643/225219800733?hash=item3470256e9d:g:heUAAOSwJGpjH4cd&pageci=5e9a4f6f-76d4-4788-8948-82e7907fae15&redirect=mobile Edited October 27, 2022 by BlueTR3A-5EKT Quote Link to post Share on other sites
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