A_redstone Posted August 23, 2016 Share Posted August 23, 2016 HelloAfter a 4 day trouble free trip to the Isle of Wight my 2008 R400d ended up with a wheel bearing failure on the way back , having been recovered back to the garage I wanted to check out their diagnosis with anyone that can offer experience in this .The bearing has collapsed, the spigot has broken and also the hub has been damaged beyond repair on the front left. The caliper has been damaged slightly but that could be dressed and repaired, however the disc and pad have also been damaged as a result of the failure.So the Caterham website is offering a upgraded hub replacement set for some £300 and I would need new discs and pads also - replacing both sides with new ( 1 week lead time )It is hard to tell what parts are currently on the car , however it does have upgraded "big" brakes so possible already has the upgraded hub parts anyway.I dont want to skimp on this -so does their diagnosis / costs sound about right to anyone has has faced this ?Or would Redline parts be a better bet ?Thanks Andy Link to comment Share on other sites More sharing options...
SM25T Posted August 23, 2016 Share Posted August 23, 2016 2008 car should have the larger stub shafts and bearings from new. Sounds like lack of grease in the bearings ? Link to comment Share on other sites More sharing options...
A_redstone Posted August 23, 2016 Author Share Posted August 23, 2016 Possible - but damage is done now sadly - nothing came up on the service and MOT 3 months ago ! Link to comment Share on other sites More sharing options...
CharlesElliott Posted August 23, 2016 Share Posted August 23, 2016 I think stub axle switch was in 2004 so you should already have the updated hub. Link to comment Share on other sites More sharing options...
A_redstone Posted August 23, 2016 Author Share Posted August 23, 2016 Thanks - and buying the set from Caterham is the only / most economical way of doing it ?How about discs / pads - do people buy them from Caterham or anywhere in particular ?Never used redline but heard good things............ Link to comment Share on other sites More sharing options...
John Vine Posted August 23, 2016 Share Posted August 23, 2016 Your R400D is the same vintage as mine, and yes it will definitely have the uprated hubs. You can check this from the size of the castellated nut -- should be 34mm.I've yet to replace my front discs or pads, so couldn't advise on the best source. But I'd recommend you replace both sets of front pads. I would have thought there's no need to replace the O/S disc, unless it's badly worn or scored..And, as SM25T suggests, this could well be down to lack of grease -- unless you've done some serious kerbing recently?JV Link to comment Share on other sites More sharing options...
SM25T Posted August 23, 2016 Share Posted August 23, 2016 I have seen new cars with minimal grease in front bearings. CC may say supplier supplied them like that .... But that is no excuse. Link to comment Share on other sites More sharing options...
CharlesElliott Posted August 24, 2016 Share Posted August 24, 2016 Redline do a kit of hub, bearing and stub axle - it used to be slightly cheaper than the cost of a hub from Caterham. Changing the bearings and hub is not complex, but it is not the simplest of jobs either. Link to comment Share on other sites More sharing options...
A_redstone Posted August 24, 2016 Author Share Posted August 24, 2016 Thanks all - I have a competent garage doing the work for me .The disc is scored unfortunately , so if was not for that they would not need replacing.And I guess if I am doing one side , I need to do both sides.............and both hubs ?Lack of grease / checking the bearings looks to have cost me a considerable sum .........And I think these are crucial parts which you just cannot skimp on ! Link to comment Share on other sites More sharing options...
ScottR400D Posted August 24, 2016 Share Posted August 24, 2016 Reminded by this thread of the stories of poorly greased wheel bearings on new cars I thought I'd have a look at mine. Removing the wheels I see there is no dust cap on the end of the stub these days, just the castellated nut with pin.What type of bearings and seals are used, how are they located on the stub axle and how are they lubricated? Link to comment Share on other sites More sharing options...
SM25T Posted August 24, 2016 Share Posted August 24, 2016 There is no dust cap on the newer larger bearings as the bearings are sealed. The inner bearings slide on to the plain shaft. Link to comment Share on other sites More sharing options...
ScottR400D Posted August 24, 2016 Share Posted August 24, 2016 OK, thanks.What type of bearings are used? How are they lubricated if they're sealed? Link to comment Share on other sites More sharing options...
SM25T Posted August 24, 2016 Share Posted August 24, 2016 There is a seal on the outside ... But you can work grease into the rollers from the other side. Link to comment Share on other sites More sharing options...
ScottR400D Posted August 24, 2016 Share Posted August 24, 2016 Anybody have anything like an assembly drawing, by any chance? I've seen the bearings on CC website, I assume the seals an easy push fit into the hub? Link to comment Share on other sites More sharing options...
SM25T Posted August 24, 2016 Share Posted August 24, 2016 The seal is easy. The bearing cups need a press or ....hub in oven .... cup in freezer and drift into place. Works OK. Link to comment Share on other sites More sharing options...
ScottR400D Posted August 25, 2016 Share Posted August 25, 2016 Can you remove the inner bearing with the seal, check the grease and then re-fit the same seal? Does the seal come out and go back without damage? Link to comment Share on other sites More sharing options...
CharlesElliott Posted August 25, 2016 Share Posted August 25, 2016 On the updated stub axle/bearings, the seal is part of the bearing - there is no separate seal. To replace the front bearing- remove wheel- remove brake calliper- remove split pin from castellated nut, remove nut and thrust washer- pull off hub with outer bearing- remove inner bearing, assuming it hasn't welded itself to the stub axle! Remove shim washer against upright - press or drift races out of hub, assuming hub isn't damaged - press or drift new races into hub- grease new bearings and smear grease on races- replace shim washer, inner bearing onto stub axle- put on hub and outer bearing, ensuring that seals seat cleanly within hub - replace thrust bearing and nut- tighten by hand whilst spinning hub clockwise- nip another eighth turn and align holes for split pin - replace split pin, calliper and wheel Link to comment Share on other sites More sharing options...
ScottR400D Posted August 25, 2016 Share Posted August 25, 2016 Thanks Charles. Be figured out how the bearing fit now. My cars not that old, hopefully the condition will be OK and I can make sure the stub axle is clean and they're all greased up OK. Link to comment Share on other sites More sharing options...
CharlesElliott Posted August 25, 2016 Share Posted August 25, 2016 If you have had a failure, it is quite likely there is stub axle damage - it may be light enough not to be an issue. You will only know when it is all off. Link to comment Share on other sites More sharing options...
ScottR400D Posted August 25, 2016 Share Posted August 25, 2016 I haven't had a failure, just wanted to check following recent stories of under greased axles. Link to comment Share on other sites More sharing options...
Mankee Posted August 26, 2016 Share Posted August 26, 2016 Found this in my Dropbox. I had an old-style spindly stub axle snap on track. Not cool. So it made sense to upgrade of course.https://www.dropbox.com/s/crtfivfwpka181v/hub-upgrade-data%20sheet.pdf?dl=0 Link to comment Share on other sites More sharing options...
A_redstone Posted September 16, 2016 Author Share Posted September 16, 2016 £966 later it's fixed and back home ! Link to comment Share on other sites More sharing options...
SM25T Posted September 16, 2016 Share Posted September 16, 2016 How much !!! Link to comment Share on other sites More sharing options...
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