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Old 04-03-2002, 04:42 AM   #1
H5N1
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Question What's the side effect of stepping on the clutch constantly?

My question is:

Some people step on the clutch constantly when waiting at a stop light, during stop-and-go traffic, etc......

The way i was taught was that when you are at a stop light:
1. step on the clutch
2. put it it neutral
3. release the clutch
4. wait for the light turn green
5. put it to 1st and go

BUT some people seem to do just:
1. step on the clutch(already in 1st gear)
2. keep stepping on the clutch
3. release the clutch when the light turn green

Doesn't this have a bad effect on the clutch?
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Old 04-03-2002, 09:13 AM   #2
DLC
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By pressing in the clutch pedal while at this light, you are disengaging the clutch from the flywheel, so that there is not a connection between the transmission and engine. This means that the transmission is doing nothing, and the clutch is still.

By putting the car in neutral and letting it idle, the clutch is engaged with the flywheel and transferring power into the transmission, making things move around but not actually doing much, because it is in neutral.

So, it would seem that keeping the clutch pedal depressed would cause less wear and problems with the entire system, except perhaps your left leg, if you have a stiff clutch.

Dave
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Old 04-03-2002, 09:45 AM   #3
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not necessarily. its bad to hold the clutch in because w/ the clutches of older cars, you can wear out the clutch pedal. But ours is hydraulic, kinda like a brake, so...im not sure if its more durable. Its better to put it in neutral in my opinion. Better be safe than sorry. Putting a car in neutral DEFINETELY will not put more wear on your drivetrain. This I know for sure.


-Ken
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Old 04-03-2002, 12:34 PM   #4
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Having your car in neutral will NOT cause significant wear.

By holding your clutch down, however, you are going to be running your throw out bearing far more often then it was designed for.

That... and your foot will get abnormaly stonger than the other causing you to walk in circles for the rest of your life.

-Pete
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Old 04-03-2002, 12:51 PM   #5
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Well the only way to counter that is to floor the gas every chance you get then, eh?
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Old 04-03-2002, 01:17 PM   #6
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yah, i just put it in neutral while I wait.
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Old 04-03-2002, 01:32 PM   #7
TerenceT
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how about the clutch pressure plate?

if you are pressing on the clutch, as in clutch disengage, that means the pressure plate has been pulled back, all the little figures are pulled back so the transmission is disengage.

assuming you are stuck in traffic a lot like myself, wouldn't that wear out those little figures? causing your clutch to slip due to lack of pressure?

i just pulled the stock clutch and replaced it with an sti ra, my pressure plate is purple, i've never raced in this car, tried doing drop launch at 4k rpm 3 times, daily driven, has 13k miles on the car.

the damn pressure plate is PURPLE!!!!!! hot spots on the flywheel too.

the only think i can think of is those little fingers on the housing is too weak, causing the clutch to be constantly slipping to cause such high heat...
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Old 04-03-2002, 10:52 PM   #8
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This is off topic, but what is your opinion on launching properly. I only do this once in a great while, but I have found dropping the clutch to be more effective than slipping the clutch.....
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Old 04-04-2002, 12:41 AM   #9
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Quote:
Originally posted by bjteel
but I have found dropping the clutch to be more effective than slipping the clutch.....
I can hear your transmission and rear-diff crying!!!
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Old 04-04-2002, 12:53 AM   #10
kenchan
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depends on how far and how quickly you slip the clutch on such launch. car doesnt seem to like dropping the clutch nor power shifting.
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Old 04-05-2002, 10:31 AM   #11
strangerq
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Quote:
Originally posted by Chunky_Chicken
Having your car in neutral will NOT cause significant wear.

By holding your clutch down, however, you are going to be running your throw out bearing far more often then it was designed for.

That... and your foot will get abnormaly stonger than the other causing you to walk in circles for the rest of your life.

-Pete

Explains so much re: my recent visit to NY central park.
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Old 04-05-2002, 10:37 AM   #12
strangerq
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Quote:
Originally posted by bjteel
This is off topic, but what is your opinion on launching properly. I only do this once in a great while, but I have found dropping the clutch to be more effective than slipping the clutch.....
Dropping the clutch is pretty much equivelent to begging your
tranny to brake.

Never done it. So I don't know how effective it is.

I do know that properly slipping the clutch while starting can
result in fast smooth starts with no burnt clutch.

But it's kind of hard to do just right.

You've got to rev the car past 4 k and slip the clutch in a smooth
motion so that the revs do not fall back below 3 (and out of boost), at the same time you smoothly and quickly go to WOT.
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Old 04-05-2002, 11:09 PM   #13
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Holding the clutch in while sitting at lights, rather than placing in nuetral with clutch out WILL result in accelerated throwout bearing wear. Subie throwout bearings are $, and the labor to replace is the same as the whole clutch . When you come to a stop, put it in nuetral with the clutch out until its time to go .
Chris
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Old 04-06-2002, 04:18 AM   #14
H5N1
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My brother keeps saying that holding in the clutch for 5-6 seconds won't hurt the clutch or the TO bearing. Can anyone explain how the bearing will wear out in a technical way?
Thanks in advance
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