8 cylinder front engine iconic vehicle
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By h2pmr
#214343
the plastic/threaded part can sometimes break so just pulls off in your hand and its NLA - part number 9286134330070B

a nice cheap fix i made:

remove the center plastic part with the picture on it- it just pops out with a small screwdriver and remove any remnants of the plastic threaded part so it now looks like this
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then you need a couple of washers, an M4 bolt, cut to approx size , and the main part that gave me that lightbulb moment, the brass end off a spark plug.
I remember making sure they were tight when i fitted spark plugs years ago but all plugs now come with them integral to the plug, so had to find a vintage car parts supplier who had then in stock which makes me feel depressingly old.... anyway, all as below

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fit the large washer in the groove in the middle of the rubber pull, needs to be a tight'ish fit, try NOT to lubricate it, and the small washer fits on top of the large washer

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then screw the bolt into the plug end and tighten it, TINY amount of loctite on the bolt.
the bolt has to screw into the plug end 50% max, so the other 50% then screws onto the actual switch
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best to put a small amount of your favourite bond around both sides of the large washer to stop it moving, but not essential.
pictured below a genuine one and mine to check how far the threaded part should stick out
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refit the cap removed at the start and thats it for the next 30yrs

hope this helps someone
cheers
Phil
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