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02-21-2010, 09:37 PM | #1 |
Drives: Toyota Yaris Join Date: Jun 2009
Location: Southern California
Posts: 9
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Stick shift at 'N' at stop lights(Auto trans)
I'm driving a 2009 Yaris auto trans. At stop lights I usually shift the stick up to 'Neutral'.
Is this a good idea? . Can I save gas, brake pads, engine wear by doing this. Does it cause any damage? Thanks. |
02-21-2010, 10:02 PM | #2 |
Half a Bubble Off Plumb
Drives: 2009 Yaris Sedan Join Date: Mar 2009
Location: Bristol, Tennessee, USA
Posts: 1,593
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Probably saves a miniscule amount of gas, by unloading the idling engine.
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02-21-2010, 10:21 PM | #3 |
Drives: 08 Sedan Join Date: Oct 2008
Location: Tyler, TX
Posts: 899
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02-21-2010, 10:24 PM | #4 |
Drives: 2010 NCP91 5spd Join Date: Nov 2009
Location: Thailand
Posts: 449
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Actually, if you've been heavy on your brakes and hit a stop light, you may in fact WANT to shift to neutral. If you've cooked your pads to the point of fading, leaving the brakes depressed while stopped keeps the pads in contact with the rotor, possibly causing the rotors to warp. Even if it does not warp, you are not allowing air to enter/escape between the rotor/pads to help radiate away the heat.
Keep in mind, under normal driving, this doesn't really apply. But if you've been driving aggressively, it's a good idea to help those brakes cool off as much as possible. |
02-22-2010, 12:52 AM | #5 |
Learn to Relax
Drives: 2007, Meteorite, LB Join Date: Dec 2008
Location: Anaheim, CA
Posts: 2,070
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It's an automatic transmission. Since it's automatic, why not let the transmission do its job. It's not semi-automatic.
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02-22-2010, 01:04 PM | #6 | |
Drives: 08 Sedan Join Date: Oct 2008
Location: Tyler, TX
Posts: 899
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Quote:
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02-22-2010, 06:29 PM | #7 |
Drives: 2010 NCP91 5spd Join Date: Nov 2009
Location: Thailand
Posts: 449
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Well, yeah... I'd hope people had enough sense to not do that if the car rolls. And if the brakes are cooked and the car does roll, the parking brake can also be used to hold the car at a stop light. Rear brakes aren't as loaded as the front, thus they do not heat up as much.
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02-22-2010, 06:36 PM | #8 |
toyota
Drives: 2007 Yaris RS Blazed Join Date: Oct 2006
Location: toronto, canada
Posts: 3,637
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also you should be able to switch to neutral from drive just by flicking the shifter anytime i use to do this on my previous automatic cars..
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02-24-2010, 01:45 AM | #9 |
Drives: Toyota Yaris Join Date: Jun 2009
Location: Southern California
Posts: 9
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If "shift the stick to neutral" to much will this shorten the life of the neutral switch( at the transmission box)?
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02-24-2010, 08:41 AM | #10 |
Drives: VIOS Join Date: Nov 2009
Location: Malaysia
Posts: 42
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should not be a problem..i do both on manual and auto transmission all the time..
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02-25-2010, 11:43 AM | #11 |
Modded Moderator
Drives: 07 Toyota Yaris, 71 Galaxie Join Date: Mar 2007
Location: Wenatchee, WA
Posts: 3,670
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According to my scangauge II putting the auto trans in neutral while stopped with the brakes on my car uses .04 to .15gph less. I do 70-80% city driving and it helps with saving gas. I now have over 77,500 miles and my transmission is fine. I'm also less likely to roll forward if my foot slips off the brake.
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02-25-2010, 12:02 PM | #12 | |
Banned
Drives: '10 Yaris5drHB+99 4runner LTD Join Date: Sep 2009
Location: NE
Posts: 672
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Quote:
astromans numbers are correct as well. things vary with conditions, temp, sometimes more and less too... Last edited by 127.0.0.1; 02-26-2010 at 02:47 PM. |
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02-25-2010, 04:30 PM | #13 |
Audio Junky
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just for kicks... whats the engine load (LOD) at when in gear, but stopped and foot on the brake? Whats the load when in neutral?
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02-25-2010, 05:27 PM | #14 |
Drives: 2008 Toyota Yaris Join Date: Feb 2010
Location: Green Cove Springs, FL
Posts: 2
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Hot Brakes
I used to have problems with warped rotors, until I started letting the car creep slowly forward in gear but using the brakes. This spreads the heat from the hot pads slowly around the rotor and prevents heat distortion in only one area. Of course you have to allow room when stopping for this sort of thing.
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02-25-2010, 06:04 PM | #15 | |
Banned
Drives: '10 Yaris5drHB+99 4runner LTD Join Date: Sep 2009
Location: NE
Posts: 672
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Quote:
cold n around 41 --- in-gear around 56-58 ac adds 5 or 6 warm n around 31 --- in-gear around 38-39 ac adds 3 or 4 decel lod n is higher than in-gear decel Last edited by 127.0.0.1; 02-26-2010 at 10:15 AM. |
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