Ke20nut Posted April 2, 2009 Report Share Posted April 2, 2009 (edited) Hi I'm just wondering if anyone knows, what size thread the standard corolla gear knob shifter has , for a ke20 original 4spd box? Its been a while since i done measurements on bolts . Can any one help me quickly on thread size for the gear knob? Edited April 2, 2009 by Ke20nut Quote Link to comment Share on other sites More sharing options...
nhillau Posted April 2, 2009 Report Share Posted April 2, 2009 i just having a geuss, but are they 8x1.5mm????? i know the ke10 shifter is of the smaller type thread than to that of a ke30 Quote Link to comment Share on other sites More sharing options...
dfunkt Posted April 2, 2009 Report Share Posted April 2, 2009 early gear knob thread is 8 x 1.25 late gear knob thread is 12 x 1.25 Quote Link to comment Share on other sites More sharing options...
KEhendo Posted April 2, 2009 Report Share Posted April 2, 2009 is there a way to tell if i have the early or late thread? Quote Link to comment Share on other sites More sharing options...
dfunkt Posted April 2, 2009 Report Share Posted April 2, 2009 (edited) take your gearknob off and measure across the top of the threaded section. 8mm is early, 12mm is late. i can't remember if the height of the thread is taken into account, anyway, there's a big enough difference between them to tell. Edited April 2, 2009 by dfunkt Quote Link to comment Share on other sites More sharing options...
Hiro Protagonist Posted April 2, 2009 Report Share Posted April 2, 2009 take your gearknob off and measure across the top of the threaded section. 8mm is early, 12mm is late. i can't remember if the height of the thread is taken into account, anyway, there's a big enough difference between them to tell. Metric male threads are classified from tip-to-tip diameter (ie taking the thread height into account). So an M12 will be overall outside diameter of 12mm (a female thread will have an inner diameter of roughly 10.2mm, as they are classified from root-to-root diameter). M8 male will be 8mm, M8 female about 6.8mm. Quote Link to comment Share on other sites More sharing options...
dfunkt Posted April 2, 2009 Report Share Posted April 2, 2009 Cheers Hiro, forever putting the technical info into light. Quote Link to comment Share on other sites More sharing options...
KEhendo Posted April 3, 2009 Report Share Posted April 3, 2009 lol, i went to check and i can't get the bloody knob off. :bash: is there some grub screw or clip that i can't see or do i have girly arms and just need to turn harder? Quote Link to comment Share on other sites More sharing options...
Hiro Protagonist Posted April 3, 2009 Report Share Posted April 3, 2009 lol, i went to check and i can't get the bloody knob off. :bash: is there some grub screw or clip that i can't see or do i have girly arms and just need to turn harder? Spray up inside the knob with WD40, get a rubber glove or something that has better grip, use vice-grips/pliers/adjustable-spanner (around a towel or something so it doesn't scratch) etc, all will work eventually, the gear knob just seizes up a bit if it hasn't been removed for ages. I remember when I took the knob off in my AE102 that it was stuck so hard I actually lifted the vinyl off the frame, so I was still left with a gear-knob stuck on except it was hard white plastic instead of padded grey vinyl... Quote Link to comment Share on other sites More sharing options...
Ke20nut Posted April 3, 2009 Author Report Share Posted April 3, 2009 Eat more Weetbix mate, then you'll get it off. Thanks all for the info, yes mine is a m8 x 1.25metric Quote Link to comment Share on other sites More sharing options...
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