petegardner_901 Posted March 26, 2015 Report Share Posted March 26, 2015 Replacing rear bearings on Non Roto GT6. The ball race bearing has to pressed on the driveshaft to a dimension given to three decimal places...! How critical is this - I have vernier calipers but 0.001 of an inch is pretty small....... Anyone done it recently have any tips? Thanks Pete Link to comment Share on other sites More sharing options...
68vitesse Posted March 26, 2015 Report Share Posted March 26, 2015 I have a MK1 Vitesse 2L my understanding is that when you bolt on the wheel hub this pushes the ball race to the correct position. The inner edge of the hub pushes on the inner ring of the bearing, this also gives the correct position of the outer grease seal on the hub. The only semi critical measurement is placing the grease flinger on the shaft as this needs a clearance to the trunnion. I am currently building up a replacement shaft for my Vitesse and this is how I intend to do it. Regards Paul Link to comment Share on other sites More sharing options...
Pete Lewis Posted March 26, 2015 Report Share Posted March 26, 2015 Pauls about correct with this, no verniers or dial indicators , just strong Tea, even the drift / tool dimensions shown in the WSM dont help at all. as this does nothing to help just check when all pulled up by the hub that the drum does sit across the shoes , and has clearance to the back plate it should all be that simple , last time on my vitesse one shaft had a register to fit the brg up to, the other was just a straight ground shaft you could have fitted it anywhere, amazing its only the force fit of the brg. on the shaft that stops any shift when cornering or wheel loading. but it seems to work if the flinger ends up a loose fit use some hard silicon sealer to glue it in place Pete Link to comment Share on other sites More sharing options...
68vitesse Posted March 26, 2015 Report Share Posted March 26, 2015 Should have said when removing the hub do not us a three or four leg puller, use the correct tool or the hub could end up distorted and scrap. The tool is available and cheaper than a replacement hub and a new nyloc on the shaft is something I would use. As Pete said check the brake drum to backplate clearence, this is set by the lenghth of the rear hub and thickness of the main bearing so not adjustable. Regards Paul Link to comment Share on other sites More sharing options...
petegardner_901 Posted March 26, 2015 Author Report Share Posted March 26, 2015 Thanks all - I understand. Needn't have bought my Tesco vernier then......! Link to comment Share on other sites More sharing options...
Pete Lewis Posted March 27, 2015 Report Share Posted March 27, 2015 some areas have a hub puller, if your close to Herts and beds give me a call its even possible the proper puller can distort the flanges on real tight ones. the effect if not noticed is it will distort the brake drum when you tighten the wheel nuts and you get brake vibration. the vernier will always be useful, Ive got two digital ( aldi and mitutoyo) both brilliant , just in case i forget where it is. Ha ! these hub flanges either pop off easy or resist to the end, one old trick was to fit road wheel and 4 nuts and slide/whack wheel down studs to act as a slide hammer , if the puller fails leave it in tension overnight. Pete Link to comment Share on other sites More sharing options...
68vitesse Posted March 28, 2015 Report Share Posted March 28, 2015 Built the drive shaft up yesterday but the suspension trunnion kits seems to be of poor quality, my fault bought from ebay. Are the poly bush ones available worth the higher price, about twice Rimmers standard kit price. Bearing kit bought from one of the normal parts suppliers but I forgot the suspension ones at the the time. Regards Paul Link to comment Share on other sites More sharing options...
petegardner_901 Posted March 28, 2015 Author Report Share Posted March 28, 2015 I've just found exactly the same with the trunnion kits - I have nothing against Rimmer who have supplied me with loads of good stuff but I bought the rear trunnion kit from them last week - the bushes are utterly useless pieces of brittle plastic. Flange on one snapped while fitting and the whole thing fell to pieces when I removed it. To their credit Rimmer replied instantly to my complaint and refunded the cost immediately. I have now bought what I hope is a quality kit from James Paddock… I'll let you know. To be honest I do get quite sad about some of the replacement stuff out there - just not up to it - but what can you do???? Link to comment Share on other sites More sharing options...
petegardner_901 Posted March 28, 2015 Author Report Share Posted March 28, 2015 By the way - thanks for the offer to borrow the hub puller but I have one now ! so if anyone in the Guildford, Surrey area wants to borrow it let me know. Pete Link to comment Share on other sites More sharing options...
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