420R Posted August 29, 2020 Share Posted August 29, 2020 HiI have a 2006 SV and my fog/reverse light units are bolted on (obviously!) via a captive bolt in the unit and a nut/washer on that back. This is totally inaccessible with an SV tank.I understand that new machines have a rivnut and the units are thus bolted on from the front. Is anyone currently building a new S3 and can confirm this? I have a new S3 on the way will want to carry out a mod which will necessitate removal.... Link to comment Share on other sites More sharing options...
Wrightpayne Posted August 29, 2020 Share Posted August 29, 2020 No big deal if they are nut and bolt (like my '98 car) just slacken off the tank straps and slide the tank up to create a gap. I changed mine to rivnuts but you have to dremmel the captive hex for the bolt within the light unit.Historically, these were part of the home assembly but there were too many punctured fuel tanks as the drill popped through the thin rear panel! Link to comment Share on other sites More sharing options...
420R Posted August 29, 2020 Author Share Posted August 29, 2020 Thanks! but..I would like to know if brand new machines have rivnuts..!On an SV there is absolutely no room to access the securing nuts. On an S3 there appears to be a bit of space to get a spanner on from behind. Link to comment Share on other sites More sharing options...
ChrisC Posted August 29, 2020 Share Posted August 29, 2020 The nut has been replaced with a rivnut, and the lamp is secured with this screws https://caterhamparts.co.uk/other/3351-countersunk-screw-fog-reverse-light-fixing-pack-of-5.html The lamp units are modified versions of the Land Rover parts. In the Land Rover they have a nut holding them from the back, and a bolt molded into the black plastic casing. Caterham removes this molded nut, and counter sinks the hole to use the screws above. It saves the need to remove / move the tank for removal and refitting of the fog light. Once removed you will be left with one hole for the wiring and a rivnut either side. Link to comment Share on other sites More sharing options...
420R Posted August 29, 2020 Author Share Posted August 29, 2020 Excellent and thanks. Just what I wanted to know. Link to comment Share on other sites More sharing options...
Mrp Posted August 29, 2020 Share Posted August 29, 2020 Hi PBO17This is a photo from my 2017 420R SV with a 2020 rear end due to an inattentive motorist at a Tee junction so the car spent 4 weeks going through the Caterham system again to have a new rear end. So this is how they are fitted now.I was fitting JAL lights this afternoon so had the lights dismantled.Mrp Link to comment Share on other sites More sharing options...
420R Posted August 30, 2020 Author Share Posted August 30, 2020 Thanks MrpExactly what I wanted to see.Means my modification "should" be easy..! Link to comment Share on other sites More sharing options...
Blue C7 Posted August 31, 2020 Share Posted August 31, 2020 I have a 2005 SV and it has rivnuts fitted for the fog and reverse lights. Link to comment Share on other sites More sharing options...
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