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Old 8th May 2016, 14:37
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morris morris is offline
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Rebuilt the cooling system with the 88 degree thermostat yesterday and the car is holding ~91 degrees nicely now. I did the little trick of drilling a 4mm hole in the top of the thermostat outer ring to make filling and bleeding the system easier too. The last piece of the puzzle is to swap out the fan switch. My current one is mounted in the top tank and set for 92 on / 82 off so it triggers too early and then never switches off. If mounted in the bottom tank this wouldn't be an issue. Rather than go to the hassle of getting the rad modified, I've ordered a new switch from a Peugeot 405 which has 97-92 and 101-96 settings. This way I should be able to ensure that the fan comes on only if the rad is struggling rather than the engine just running at the normal temp.

My under bonnet (and my feet) temps don't seem to have gone down much since getting the bonnet louvres cut but this will come in to play more on really hot days.

Last edited by morris; 8th May 2016 at 14:41..
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