Removing Ignition Switch ZR
With column covers removed, gave better access to the 2 small screws that holds ignition switch to barrel. At this stage it can be detached, from the multi-connector.
With various aspects of servicing, maintenance, including driver assisted features and vehicle monitoring. For our 1996 Rover 200 and the 04 ZR 120+
About features, and driver notifications on our MG-Rover Information Pages
An annoying problem some time ago, was a suspected fault with the ignition switch, no dash panel lights, just the sound of the fuel pump being primed. Only time to get a display, was initiating 'quick positive' turns of the ignition key. for an eventual start-up. So we ruled out other ignition problems, then fitted a new switch. .
To replace the YXB-100350 ignition switch. Steering wheel is lowered, and column covers removed. bottom part is secured with 3 screws cabin fuse box lid needs removing. Switch is attached to bottom of key barrel with two small screws, ignition key barrel, is factory secured, and does not need to be removed.
With column covers removed, gave better access to the 2 small screws that holds ignition switch to barrel. At this stage it can be detached, from the multi-connector.
A curious look at the YXB-100350
Ignition switch shown top of page. After being dismantled with top part, lower part, and rotor removed, The unit is just clipped together, so can be dis-assembled with extreme care. and attention, the only parts that are removable are the rotating key position selector, from the centre spindle, and the small spring loaded guide.
Located around the outer edge are various contacts a total of 5 which activates any of the key positions that is being selected, lower part of the rotor has slots, that open and close each contact as key is being turned during engine start and stop procedures, guide selector corresponds to indents situated under the collar of the rotor.
On assembly, spring loaded guide selector placed back first, then rotating selector placed onto the centre spindle with spring tang 'facing' the multi-connector, to be placed correctly onto the spindle.
Any other way round, will just result in ignition key rotating freely and doing nothing, top cover now added, which holds and secures the spring resistance for ignition key quick return, as during the normal engine starting procedures.
Not regarded as a difficult job, just tedious, working in a confined space, so a family member had the experience of replacing the switch, Also shows that only the key tip 'starts' the engine. .
A question often asked, is it ok to oil my ignition key to give it a smoother action when inserted into the ignition key barrel. When the key has been lightly oiled, or given a light smear of graphite grease to both the separated edges.
Information is referenced only to our 1996 Rover 200 and 2004 ZR 120+