The Pikey Posted March 18, 2008 Share Posted March 18, 2008 Ive just finished putting the rear suspention on and and torqued the hub bolts up and Ive noticed a small amount of play in both wheel bearings. I would expect it a tiny amount with taper bearings but not on these. Is it ok? Thanks Jason Currently, I am qualified to plead ignorance. Link to comment Share on other sites More sharing options...
Sheds Moderator Posted March 19, 2008 Share Posted March 19, 2008 You will always get minimal play on a wheel bearing. It's something they check at PBC so provided they spin freely, the play is minimal and the nut is done up properly they will be fine. Link to comment Share on other sites More sharing options...
Rob Walker Posted March 19, 2008 Share Posted March 19, 2008 You should not be able to feel any play in the rear wheel bearings. I you can then they are worn and you will get pad knock off / long peddle following hard cornering. Unlike the fronts there is no adjustment. BOSS I would beg to differ you should not be able to feel play in the front or rear bearings, what you are looking to avoid is applying too much side load/preloading which causes the bearings to bind and overheat. Link to comment Share on other sites More sharing options...
The Pikey Posted March 19, 2008 Author Share Posted March 19, 2008 Guys thanks for the replies. I have taken another look and one has more play than the other. I will give CC a call tomorrow and see what they say. cheers Jason Currently, I am qualified to plead ignorance. Link to comment Share on other sites More sharing options...
Sheds Moderator Posted March 20, 2008 Share Posted March 20, 2008 Rob, you may be able to get the rears down to undetectable play, and in that you have a point, but standard tapers like the front will always have some. Minimal, as I said, but even on anew bearing you can't get it all out without as you say overtightening it and then they *do* get hot. You are dead right that too much will give you pad knockoff and a long brake but there has to be a *lot* of play for this to happen. If you have more on one side than another, front or rear, then it's not right. Link to comment Share on other sites More sharing options...
Rob Walker Posted March 20, 2008 Share Posted March 20, 2008 BOSS the rears are taper roller bearings also Link to comment Share on other sites More sharing options...
The Pikey Posted March 20, 2008 Author Share Posted March 20, 2008 Spoke to CC and they say that there should be no detectable play and they are sending me a pair of hubs out in the post. Thanks for the help. Jason Currently, I am qualified to plead ignorance. Link to comment Share on other sites More sharing options...
stevefoster Posted March 21, 2008 Share Posted March 21, 2008 Caterham are right to do this as a few years ago there was a bad batch of bearings. These failed and caused single wheel seizure - not nice at speed. There were a couple of hairy incidents but no damage done as I remember. I had one of those complete bearings and like you could not get it to be free of play when torqued up - I got a bearing repair kit from Caterham instead and rebuilt the hub I had and it was perfect... Still is. Link to comment Share on other sites More sharing options...
The Pikey Posted March 21, 2008 Author Share Posted March 21, 2008 Steve CC did say they had a dodgy batch of bearings a while back. What they could not understand is why I have two the same and the ones from the same batch as mine seem OK on their factory cars. I'm not keen on a wheel locking up at speed so I am pleased they are sending me some more. cheers Jason Currently, I am qualified to plead ignorance. Link to comment Share on other sites More sharing options...
Englishmaninwales Posted March 21, 2008 Share Posted March 21, 2008 Rob What is pad knock off? Malcolm Link to comment Share on other sites More sharing options...
thinfourth Posted March 21, 2008 Share Posted March 21, 2008 As the hub wobbles the disc also wobbles The wobble on the disc pushes the brake pad away from the disc and when you brake you have to move the pad back to the disc giving you slack in the brake system. Not good Autotesting in Scotland tires provided by Skip motorsport services (Well we pull them out of skips) Link to comment Share on other sites More sharing options...
stevefoster Posted March 22, 2008 Share Posted March 22, 2008 Well a bit of pad knock off is good so they don't drag the whole way round. Big pad knock off only happens on the fronts and to the extreme kerb hitters - that's why the top race boys went steel hubs i guess - they were breaking hubs. They used to pop the pads back with a light left foot before next corner... Me - always aimed to drive to the kerb not try kill it That's why I would never be any good in that type of racing, unless someone else was paying for the car. Edited by - stevefoster on 22 Mar 2008 19:08:11 Link to comment Share on other sites More sharing options...
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