MBB Posted July 25, 2021 Share Posted July 25, 2021 On my way to Poole Quay I noticed that my oil pressure gauge was falling into the dash - on removal the casing is split so a new gauge is required.Caterham part is £102 and out of stock, anyone know if there is a drop in replacement from elsewhere? Link to comment Share on other sites More sharing options...
Jonathan Kay Posted July 25, 2021 Share Posted July 25, 2021 Might it be repairable?If not DIY then by one of the specialists? "Speedometer and Instrument Repairs."JonathanPS: Is it electronic? If so you're probably about to get advice to go mechanical... Link to comment Share on other sites More sharing options...
John Vine Posted July 25, 2021 Share Posted July 25, 2021 Has your gauge split just under the bezel, like this? This was my fuel gauge, and I managed to repair it with superglue.JV Link to comment Share on other sites More sharing options...
MBB Posted July 25, 2021 Author Share Posted July 25, 2021 John VThat's exactly how its split, I wasn't sure how long a superglue repair would last, but may do it as a temporar measure.JonathanI use the Caterham exclusively on the road, so not interested in a mechanical gauge. Link to comment Share on other sites More sharing options...
SM25T Posted July 25, 2021 Share Posted July 25, 2021 Mechanical gauge cheaper than one electric sender. No reason not to change, even 'for road use only'. Link to comment Share on other sites More sharing options...
John Vine Posted July 25, 2021 Share Posted July 25, 2021 Re #4:I repaired mine about three years ago, and it's still going strong. The trick is not to overtighten the knurled screws!JV Link to comment Share on other sites More sharing options...
John Vine Posted July 25, 2021 Share Posted July 25, 2021 The case for going mechanical is probably greater if you have a K due to the fragility of the standard sender (they are very intolerant of engine vibration). The Sigma/Duratec sender is much more robust. But even then, it's reassuring to know exactly what's happening pressure-wise as the gauge is quite heavily damped. That's why I went mechanical on my R400D. I was concerned about consistent oil pressure with a wet sump (road use).What model do you have?JV Link to comment Share on other sites More sharing options...
ChrisC Posted July 25, 2021 Share Posted July 25, 2021 The only week point in the Sigma/Duratec oil pressure sensor is the resistor and diode in the subloom between the sensor and the chassis loom. Always check this before you replace the sensor. I also find Caterham strap the gauge wiring very tightly behind the gauges, I always wondered if this was the reason for the case failure. I can't think of any other reason it would happen. Link to comment Share on other sites More sharing options...
John Vine Posted July 25, 2021 Share Posted July 25, 2021 I can't think of any other reason it would happen. Apart from over-tightening the knurled nuts, perhaps?JV Link to comment Share on other sites More sharing options...
AristoCat Posted July 25, 2021 Share Posted July 25, 2021 If you check in the For Sale section I have one for sale! Link to comment Share on other sites More sharing options...
ChrisC Posted July 25, 2021 Share Posted July 25, 2021 That's one tight gauge :-) Link to comment Share on other sites More sharing options...
DennisA Posted July 25, 2021 Share Posted July 25, 2021 This a common problem with these gauges. I have repaired several with superglue, works fine - dont be in any hurry to replace with new. Suspect the problem is difference in heat expansion coefficient between case & glass bezel. Link to comment Share on other sites More sharing options...
DennisA Posted July 25, 2021 Share Posted July 25, 2021 This a common problem with these gauges. I have repaired several with superglue, works fine - dont be in any hurry to replace with new. Suspect the problem is difference in heat expansion coefficient between case & glass bezel. Link to comment Share on other sites More sharing options...
timb2117 Posted July 26, 2021 Share Posted July 26, 2021 John's right over tightening is easy to do and a pest. I repaired mine too with a nice thick coat of good quality epoxy adhesive left to set overnight and helped with a bit of sunlight, then made sure the rubber retaining ring was fresh - essentially to give it grip in the dash, and gently screwed into place, works a treat. Link to comment Share on other sites More sharing options...
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