old gimmer Posted May 16, 2021 Share Posted May 16, 2021 I have a slight leak where the fan switch (k series) screws into the radiator, does anybody know the size and type of washer required Link to comment Share on other sites More sharing options...
timb2117 Posted May 17, 2021 Share Posted May 17, 2021 If all else fails ptfe tape? Link to comment Share on other sites More sharing options...
Wrightpayne Posted May 17, 2021 Share Posted May 17, 2021 Its a fibre washer - if you google the part number of the switch from Caterham Parts they are quite a commonly used component...823959481F Should be able to find a washer from that... Link to comment Share on other sites More sharing options...
SM25T Posted May 17, 2021 Share Posted May 17, 2021 Fibre washers from plumbing suppliers. Link to comment Share on other sites More sharing options...
old gimmer Posted May 17, 2021 Author Share Posted May 17, 2021 SM25T, thanks for that, do you happen to know the i.d. Link to comment Share on other sites More sharing options...
SM25T Posted May 17, 2021 Share Posted May 17, 2021 I suspect they may all be different. Remove your switch and measure it ! Link to comment Share on other sites More sharing options...
old gimmer Posted May 17, 2021 Author Share Posted May 17, 2021 thanks, I wanted to have the washer ready. Link to comment Share on other sites More sharing options...
SM25T Posted May 18, 2021 Share Posted May 18, 2021 You are going to lose some coolant when changing it, however close the new washer is. Probably want to clean sealing face on radiator too. Just bite the bullet and drain a bit of coolant off from a hose so you can measure the washer. Link to comment Share on other sites More sharing options...
Wrightpayne Posted May 18, 2021 Share Posted May 18, 2021 You could just slacken it off enough to measure the internal diameter. Link to comment Share on other sites More sharing options...
old gimmer Posted May 18, 2021 Author Share Posted May 18, 2021 Then put it back together and drivr to the shops. I might be able to unscrew it enough to get calipers on and measure Link to comment Share on other sites More sharing options...
Member Jonathan Kay Posted May 18, 2021 Member Share Posted May 18, 2021 Private Message sent. Link to comment Share on other sites More sharing options...
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