The Titan limited slip unit has some known issues including early wear rates or complete and catastrophic failure.
(From an article I wrote for the May 2020 edition of Low Flying.)
Since 2010 the Seven has been fitted with a BMW differential containing a Titan limited slip unit either as standard or as an option. In service reliability since that date has been of considerable concern to owners.
It is well known that the rear ARB drop link ball joints wear over time especially the lower joint. This maintenance procedure should hopefully extend the ball joint life significantly.
Although this guide is aimed at pre-2015 Duratecs, it may also apply to most Sigma models, and probably the 160 too.
This guide is based on myTechTalk thread "Duratec R400: removing/repairing/replacing wet sump" (April 2016).
Note: I've based this guide on an article I wrote for Low Flying (August 2004). It applies to cars with cable-operated clutches, and specifically K-series from around 1997 on.
Adding VVC to an EU3 K Series Engine Wiring Loom
By Andrew Revill. With thanks to Alan Archer.
This is the assembly guide from 2014 and covers Sigma engined cars.
This is the assembly guide from around 2001 and covers a lot of K-series cars.
Thanks to ben7 for creating this document and to Paul Deslandes and Jonathan Kay for their valuable input.
Heres how to fit a 3rd high level brake light to your Caterham. With thanks to Oli Wright for the instructions and pictures.