pkw2704 Posted August 29, 2021 Share Posted August 29, 2021 still learning my caterham,how hard is it to drop the rear diff out,i will split the prop first to see if the play is diff or 6 speed box.Seems noisy and clunky,may get the Kmaps changed aswell Link to comment Share on other sites More sharing options...
SM25T Posted August 29, 2021 Share Posted August 29, 2021 Having done it a few times, I can remove the Ford diff with a trolley jack for support in less than an hour and a half. Remove prop shaft bolts. Remove brake calipers, unbolt deDion ears, pull drive shafts out of diff, remove A-frame, unboit diff and lower to ground with trolley jack. Easier access to bolts with boot floor out. Link to comment Share on other sites More sharing options...
Roadsport06 Posted August 29, 2021 Share Posted August 29, 2021 Nothing too difficult. http://www.alcester-racing-sevens.com/prop_-_step_1.htm Link to comment Share on other sites More sharing options...
Jonathan Kay Posted August 29, 2021 Share Posted August 29, 2021 The Alcester Racing Sevens guides are excellent.Let me know if you need the factory Assembly Guide.Jonathan Link to comment Share on other sites More sharing options...
ScottR400D Posted August 29, 2021 Share Posted August 29, 2021 I would agree with #2, same process with BMW diff too. Removing ARB, if you have one,helps too and only adds a few minutes and if you do remove the floor there's the possibility to put a cord through the top holes of the diff, remove the front bolts and lower the diff to the floor rather than use a jack. Link to comment Share on other sites More sharing options...
pkw2704 Posted August 29, 2021 Author Share Posted August 29, 2021 cheers,so a bit more to it than i imagined ,but doable.I am i right in thinking its a sierra diff ,but with different driveshaft connections,sure my We-------d had bolts on the shafts and then just drop it out. Link to comment Share on other sites More sharing options...
Jonathan Kay Posted August 29, 2021 Share Posted August 29, 2021 The Ford unit on de Dion Sevens is from a Sierra... but a specific type. Other Sierras used other types.http://www.super7thheaven.co.uk/components/sierra_rear_differential/Jonathan Link to comment Share on other sites More sharing options...
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