Viabration while releasing clutch.

KingKoopaBoy · 02-05-2009, 02:41 AM

I'm teaching my girlfriend to drive stick and I was teaching her to slowly release the clutch in first gear with out giving it gas so the car can start going on its own. Anyways is it normal for the engine to shake a little when you release the clutch halfway? I've notice it before, but not like today. Its like the car wants to stall, but the engine just shakes and moves slowly. Is this normal on M/T cars? Thanks in advance.

***LSnoob*** · 02-05-2009, 02:43 AM

I think it's just that the engine is trying not to stall so it shakes. seems pretty normal to me

ceevic · 02-05-2009, 04:38 AM

Quote:

Originally Posted by LSnoob

I think it's just that the engine is trying not to stall so it shakes. seems pretty normal to me

wen your car is shaking while your releasing the clutch it means its about to stall, but hasn't stalled yet, happens to me sometimes too, all i do is either give it a bit of gas or release the clutch a bit more slowly

NMA · 02-05-2009, 04:52 AM

give more gas or push in the clutch. When it shakes like that it means the engine is nearly stalling (You will see the RPMS dropping very low)

***w00t692*** · 02-05-2009, 07:43 AM

You're teaching her to slip the **** out of the clutch to start going without pressing the gas pedal?

why?

ceevic · 02-05-2009, 01:27 PM

Quote:

Originally Posted by w00t692

You're teaching her to slip the **** out of the clutch to start going without pressing the gas pedal?

why?

i dont kno bout the OP but wen i first learned manual, i was taught to do tat too so tat i may find the friction point of the clutch, has helped me for stopping on hills and all

Sle · 02-05-2009, 01:41 PM

^yeah helped me find the friction point also.

Yeah you can sometimes see the battery sign on the dash too even thuogh
its not stalled.

EDIT: Teaching her on your 09, thats mad love.

***w00t692*** · 02-05-2009, 01:50 PM

maybe just to find the friction point, but not consistantly.

Anyways OP. It vibrates because these engines are not balanced at such a low rpm they're balanced at idle and higher.

If it drops to a low rpm it's going to shake pretty violently.

***w00t692*** · 02-05-2009, 01:53 PM

also because the pistons firing is moving so slow you can't really balance it because there is no counteracting force (balance shaft)

KingKoopaBoy · 02-05-2009, 02:12 PM

Quote:

Originally Posted by w00t692

You're teaching her to slip the **** out of the clutch to start going without pressing the gas pedal?

why?

Because I can't get her to get the car going without stalling lol

its_errick · 02-05-2009, 03:47 PM

lol when i read this the first thing that came to mind was the car is trying to stay alive. which is what it is doing. if you continue to release the clutch and the engine doesnt adj. itself then it will die. if you dont gas it... which if you notice of you slowly let go of the clutch the throttle goes up by itself.. the car is adjusting the throttle to compensate to the loss of power

ro.sniper · 02-05-2009, 03:57 PM

good ol DBW... it blips the rpms up too. I taught my GF to drive just by letting the clutch out slow and the car roll by itself with no gas. After she did this in 4 hours she was driving without stalling. Crappy shifts but no stalling. She now has a stick shift car.

***w00t692*** · 02-05-2009, 05:12 PM

Am i lucky my g/f already drives a stick shift?

She has a mazdaspeed mx-5 miata

Her car is faster than mine!!!

02-05-2009, 02:41 AM	#1 (permalink)
KingKoopaBoy Senior Member Join Date: Sep 2007 Location: HOUSTON Posts: 702 Irving iTrader: 0 / 0%	Viabration while releasing clutch. I'm teaching my girlfriend to drive stick and I was teaching her to slowly release the clutch in first gear with out giving it gas so the car can start going on its own. Anyways is it normal for the engine to shake a little when you release the clutch halfway? I've notice it before, but not like today. Its like the car wants to stall, but the engine just shakes and moves slowly. Is this normal on M/T cars? Thanks in advance.

02-05-2009, 01:41 PM	#7 (permalink)
Sle Senior Member Join Date: Aug 2008 Location: Charleston, SC Age: 17 Posts: 2,032 Sam iTrader: 6 / 100%	^yeah helped me find the friction point also. Yeah you can sometimes see the battery sign on the dash too even thuogh its not stalled. EDIT: Teaching her on your 09, thats mad love. Last edited by Sle; 02-05-2009 at 01:42 PM.

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02-05-2009, 02:43 AM	#2 (permalink)
*LSnoob* VIP Member Join Date: Jul 2008 Location: Arcadia, So. Cal Age: 19 Posts: 720 Leslie iTrader: 0 / 0%	I think it's just that the engine is trying not to stall so it shakes. seems pretty normal to me

02-05-2009, 04:52 AM	#4 (permalink)
NMA Senior Member Join Date: Aug 2008 Location: Canada, BC Age: 19 Posts: 166 iTrader: 0 / 0%	give more gas or push in the clutch. When it shakes like that it means the engine is nearly stalling (You will see the RPMS dropping very low)

02-05-2009, 07:43 AM	#5 (permalink)
*w00t692* VIP Member Join Date: Jun 2008 Age: 24 Posts: 3,606 iTrader: 1 / 100%	You're teaching her to slip the **** out of the clutch to start going without pressing the gas pedal? why?

02-05-2009, 01:50 PM	#8 (permalink)
*w00t692* VIP Member Join Date: Jun 2008 Age: 24 Posts: 3,606 iTrader: 1 / 100%	maybe just to find the friction point, but not consistantly. Anyways OP. It vibrates because these engines are not balanced at such a low rpm they're balanced at idle and higher. If it drops to a low rpm it's going to shake pretty violently.

02-05-2009, 01:53 PM	#9 (permalink)
*w00t692* VIP Member Join Date: Jun 2008 Age: 24 Posts: 3,606 iTrader: 1 / 100%	also because the pistons firing is moving so slow you can't really balance it because there is no counteracting force (balance shaft)

02-05-2009, 03:47 PM	#11 (permalink)
its_errick Senior Member Join Date: Jan 2009 Posts: 666 iTrader: 6 / 100%	lol when i read this the first thing that came to mind was the car is trying to stay alive. which is what it is doing. if you continue to release the clutch and the engine doesnt adj. itself then it will die. if you dont gas it... which if you notice of you slowly let go of the clutch the throttle goes up by itself.. the car is adjusting the throttle to compensate to the loss of power

02-05-2009, 03:57 PM	#12 (permalink)
ro.sniper Senior Member Join Date: Jan 2008 Location: T.O. Age: 24 Posts: 635 Razvan iTrader: 0 / 0%	good ol DBW... it blips the rpms up too. I taught my GF to drive just by letting the clutch out slow and the car roll by itself with no gas. After she did this in 4 hours she was driving without stalling. Crappy shifts but no stalling. She now has a stick shift car.

02-05-2009, 05:12 PM	#13 (permalink)
*w00t692* VIP Member Join Date: Jun 2008 Age: 24 Posts: 3,606 iTrader: 1 / 100%	Am i lucky my g/f already drives a stick shift? She has a mazdaspeed mx-5 miata Her car is faster than mine!!!