jwhitton Posted September 27, 2008 Share Posted September 27, 2008 There is an allen screw on my Defender 90 300TDi (1996 / VA engine number model) holding the wiper arm to the wiper shaft. It is loose but I cannot tighten it since it appears to be a strange diameter, I can only guess it is a half mm size or an imperial size? The wipers move too far across the screen and also too low down since they are not tight on the moving shaft. What is the size of this small allen / hexagonal screw please, does anyone know. Where can I purchase one from? Thanks, Jon Quote Link to comment Share on other sites More sharing options...
jwhitton Posted September 28, 2008 Author Share Posted September 28, 2008 No ideas guys? Quote Link to comment Share on other sites More sharing options...
Mo Murphy Posted September 28, 2008 Share Posted September 28, 2008 They're small and usually rusty Jon One of the allen keys from my set usually works but I couldn't tell you which one ! Quite often, though, they get rusty and round off really easily inside so it's probably time to replace if it is rounded. I'll have a look tomorrow if I get a chance and post up. Mo Quote Link to comment Share on other sites More sharing options...
ChrisM_110 Posted September 28, 2008 Share Posted September 28, 2008 I replaced mine with some bolts as they were very sloppy and the allen grub screws kept rounding off. I think they were M3, but don't quote me on that. Quote Link to comment Share on other sites More sharing options...
DEF110PU Posted September 29, 2008 Share Posted September 29, 2008 They should be T10 on the Torx type allen set. This is why they round off. Should always use a torx bit for tightening these otherwise they do round off Quote Link to comment Share on other sites More sharing options...
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