Clutch Start Cancel Button
11-10-2009, 08:55 AM
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Clutch Start Cancel Button
So I just picked up an '88 4x4 regular cab and am really excited about it. Yesterday I noticed a button and have no idea what it is for. It is just to the left of the steering wheel and reads "Clutch, Start, Cancel". This my first old yota so there will probably more questions to come, any help is appreciated!
11-10-2009, 09:17 AM
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i find it particularly useful when im sleeping in the bed of my 4runner and it is cold out so i reach over the seats to start it for some heat. i might have a problem with mine, idk but i put it in neutral because the 4runner will lurch if i have it in first.
11-10-2009, 09:24 AM
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of course it's gonna lurch, it's in 1st gear with the clutch out...
Last edited by Dope Fiend; 11-10-2009 at 09:25 AM.
11-10-2009, 09:24 AM
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that's all the button is, is push button start ?
Old trucks do the same thing, you turn the key without pushing the clutch it and it shoots forward if in gear or idles in neutral.
My toyota does that. I should take out my ignition and install a push button
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11-10-2009, 09:36 AM
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I use it every morning when I go out to my truck to warm it up. Just reach in, push the button and turn the key w/out having to sit down and push in the clutch.
11-10-2009, 09:49 AM
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pardon me... with it saying "clutch start cancel" i assumed it would also prevent lurching.
theauthority- not necessarily. you still need to turn the key, it just makes it so you dont have to use the clutch to start it.
theauthority- not necessarily. you still need to turn the key, it just makes it so you dont have to use the clutch to start it.
11-10-2009, 10:06 AM
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When you press in a clutch it puts tremendous pressure on the fingers over the pressure plate which is spread out along the bolts on the outside into the block.
Starting a motor with the clutch disengaged leaves no pressure clutch disc or flywheel which makes the engine easier to start.
Starting a motor with the transmission in neutral the crank transfers power through flywheel, gripping the disc and moving the input shaft and the transmission gears but disengaged from the output shaft.
Make sense?
It's better on the engine to disengage the engine OVER starting it with the transmission in neutral.
Starting a motor with the clutch disengaged leaves no pressure clutch disc or flywheel which makes the engine easier to start.
Starting a motor with the transmission in neutral the crank transfers power through flywheel, gripping the disc and moving the input shaft and the transmission gears but disengaged from the output shaft.
Make sense?
It's better on the engine to disengage the engine OVER starting it with the transmission in neutral.
11-10-2009, 10:20 AM
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the throwout bearing puts pressure on the fingers which seperates the pressure plates from the clutch disc to the flywheel ......
if it applied more pressure to the disc, would be kinda hard to shift ya think?
Last edited by theAuthority; 11-10-2009 at 10:33 AM.
11-10-2009, 10:22 AM
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Yah I'm right. watch this.. skip to 50 seconds or just stare at the pictures.
yellow/green is pressure plate
red is throwout bearing and fork
orange is clutch
blue is flywheel.
http://www.youtube.com/watch?v=6BaECAbapRg
yellow/green is pressure plate
red is throwout bearing and fork
orange is clutch
blue is flywheel.
http://www.youtube.com/watch?v=6BaECAbapRg
Last edited by theAuthority; 11-10-2009 at 10:24 AM.
11-10-2009, 10:23 AM
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The other thing it's good for is if you're stuck in gear for whatever reason and/or your engine is dead, you can "drive" on the starter for as long as the battery holds out.
11-10-2009, 10:27 AM
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11-10-2009, 10:28 AM
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i always thought that the clutch start cancel was for emergencies only. it would come in handy if you were to stall out on a hill and have one foot on the brake and the other ready to hit the gas because i assume the majority of us don't have a 3rd foot to depress the clutch.
11-10-2009, 10:30 AM
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I just dont' see the point of a 'button' except for starting in the mornings when you don't want to fully sit in the vehicle to start it.
By then I would have remote start installed.
11-10-2009, 10:31 AM
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how does a button, shut off/disengage mechanical gears when it is 'in gear' ?
this makes a lot more sense than anything else.
i always thought that the clutch start cancel was for emergencies only. it would come in handy if you were to stall out on a hill and have one foot on the brake and the other ready to hit the gas because i assume the majority of us don't have a 3rd foot to depress the clutch.
11-10-2009, 10:35 AM
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11-10-2009, 10:38 AM
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Maybe the old manual transmission vehicles didn't have one, but the new manual vehicles have a switch at the clutch that requires the clutch to be pushed in to allow the vehicle to start. You can turn the key all you want, but until you push the clutch in, the vehicle won't start... hence the reason for having to push the "clutch start cancel" button if you want to start it without pushing the clutch in.
