John Cousins Posted May 10, 2019 Share Posted May 10, 2019 Are the discs part number 208715 on the caterham parts site the correct replacement for a 2005 S3 Roadsport 140 k series? Link to comment Share on other sites More sharing options...
SM25T Posted May 10, 2019 Share Posted May 10, 2019 Far as I am aware all cars use the old Triumph 232mm diameter solid discs, available from many sources. Link to comment Share on other sites More sharing options...
TomB Posted May 11, 2019 Share Posted May 11, 2019 £11.40/disc from Moss-Europe. Link to comment Share on other sites More sharing options...
revilla Posted May 11, 2019 Share Posted May 11, 2019 But not if you have the upgraded AP 4-pot calipers. Link to comment Share on other sites More sharing options...
7 wonders of the world Posted May 11, 2019 Share Posted May 11, 2019 rear discs are the same unless using the vented 2 pot AP rear brakes with no handbrake. Link to comment Share on other sites More sharing options...
Wrightpayne Posted May 11, 2019 Share Posted May 11, 2019 Most people change the two large 41mm 200 ftlb nyloc hub nuts when fitting discs - others just loctite them.Removing the discs from the hubs can be difficult as the bolts have thinned down heads - socket tends to slip. Buy a cheap socket and grind the chamfered edge off the face so it fully engages with the bolt.If you’re doing the pads too and have sierra callipers you’ll need a wind back tool.Other things to look at / do whilst the hub nuts off - Wheel bearings, CV boots (still available from one of the German part sites) and diff output seals.Ian Link to comment Share on other sites More sharing options...
7 wonders of the world Posted May 11, 2019 Share Posted May 11, 2019 make sure you get a 6 point socket for the disc retaining bolts, a 12 point has significantly more chance of rounding the shallow heads off which will result in tears Link to comment Share on other sites More sharing options...
Wrightpayne Posted May 11, 2019 Share Posted May 11, 2019 My ground flat 12 point socket works fine. Its the chamfered face of the socket that causes the problem but agree a ground flat 6 point socket is safest option Link to comment Share on other sites More sharing options...
John Cousins Posted May 11, 2019 Author Share Posted May 11, 2019 Thanks for all the feedback - much appreciated Link to comment Share on other sites More sharing options...
John Cousins Posted May 11, 2019 Author Share Posted May 11, 2019 Had a quick look on the Caterham parts site for the 41mm nylon nuts but to no avail - please will someone point me to a source... Link to comment Share on other sites More sharing options...
Member Jonathan Kay Posted May 11, 2019 Member Share Posted May 11, 2019 I'd try Redline.Part numbers.Jonathan Link to comment Share on other sites More sharing options...
TomB Posted May 11, 2019 Share Posted May 11, 2019 Or eBay for Sierra hub nut. Left ha f one is reverse thread ie turn it anti clockwise to tighten. Link to comment Share on other sites More sharing options...
John Cousins Posted May 11, 2019 Author Share Posted May 11, 2019 Thanks again for the feedback Link to comment Share on other sites More sharing options...
John Cousins Posted May 11, 2019 Author Share Posted May 11, 2019 Are the Caterham part reference 79085FIA the same bolts that join the rear hub to the disc? Link to comment Share on other sites More sharing options...
SM25T Posted May 11, 2019 Share Posted May 11, 2019 Just call Chris at Redline and tell him what you need. 01883 346515 Link to comment Share on other sites More sharing options...
John Cousins Posted May 11, 2019 Author Share Posted May 11, 2019 I’ll do that SM25T - thanks.... Link to comment Share on other sites More sharing options...
John Cousins Posted May 14, 2019 Author Share Posted May 14, 2019 Well that was easy - just met Chris from Redline Components at his storage unit to buy the hex head bolts I need. A 15 minute walk from my home. A nice bloke and great to have a very local spares supply... Link to comment Share on other sites More sharing options...
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