David Brown Posted March 20, 2021 Share Posted March 20, 2021 I don't recall a problem getting it to fit the gearbox splines. Link to comment Share on other sites More sharing options...
MarkTheGoose Posted March 20, 2021 Author Share Posted March 20, 2021 Went in just fine this morning - phew. Diff is now back in too, haven't done the bolts up yet. It's a real wiggle on a CSR to get the diff through the chassis, both when it's going in and coming out ... Hopefully mine won't now be coming out again for a bit. Link to comment Share on other sites More sharing options...
Doctor Posted March 20, 2021 Share Posted March 20, 2021 what was the reason for it to come out and which LSD (if any) do you have? Link to comment Share on other sites More sharing options...
MarkTheGoose Posted March 21, 2021 Author Share Posted March 21, 2021 When I went to grease the propshaft, it was all a bit unsatisfactory and I wasn't sure when it had last been done and what condition the UJ's were in, so I decided to remove it for stripping & inspection. The main driver for this was because David Brown's propshaft had failed on a similar age/mileage CSR. When I got it out, there was a bit of play in the front UJ, so it's been off to Dave Mac in Coventry for a full refurbish & balance.Only way to get propshaft out is the whole rear suspension, brakes, driveshafts, diff off process.Mine is a ZF LSD, so it's having new oil from R&R Transmissions, but not going off for a service. It's one of the quietest Caterham LSD's I've come across Link to comment Share on other sites More sharing options...
Doctor Posted March 22, 2021 Share Posted March 22, 2021 ZFs are very solid, you are lucky. Link to comment Share on other sites More sharing options...
David Brown Posted March 22, 2021 Share Posted March 22, 2021 Mine is back out again - it's easier having done it before. Great service from Redline with new seal delivered on Saturday having ordered at lunchtime on Friday. Link to comment Share on other sites More sharing options...
David Brown Posted March 28, 2021 Share Posted March 28, 2021 In case anyone is wondering how to do this and finds it in the archives, I paid rather more attention when doing it for a second time. The technique is to push the front end up and start lowering the back on a trolley jack. When you have access pull out the breather. Then as you lower the back end, start rotating the diff to 90 deg from the original orientation, almost like unscrewing it from the chassis, and drop down vertically with the drive shaft outputs pointing front and rear. The installation is the reverse with it balanced vertically on the trolley jack and you can rotate it when the shaft outlets clear the chassis members. Hope that helps. Link to comment Share on other sites More sharing options...
MarkTheGoose Posted April 1, 2021 Author Share Posted April 1, 2021 David, I love it how blasé you've become about removing the diff from a CSR! I was under an S3 R500 today and there is basically no chassis compared to a CSR. Downplay it as much as you like, but Rubic cubes are trivial by comparison Link to comment Share on other sites More sharing options...
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