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03-31-2009, 01:41 PM | #1 |
Drives: 2007 Yaris Hatchback Join Date: Mar 2009
Location: Cleveland, Ohio
Posts: 137
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Is this normal in Manual transmission?
When i start driving and i change to second gear, it won't let me switch back to 1st gear unless i'm completely stopped, or going like 1-2 mph. Why is that? for example when i know i'm gonna stop, i want to change to first gear, and hold the clutch in, than realease the clutch to start going again, but i can't switch to first gear until i'm completely stopped. It feels like somekind of mechanism is blocking it, if i put extra force into it , i can do it, but why?
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03-31-2009, 02:01 PM | #2 | |
Drives: 2013 Chevy Spark 1LT 5-speed Join Date: Oct 2008
Location: Oklahoma
Posts: 1,185
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03-31-2009, 02:08 PM | #3 |
What?
Drives: 2007 Yaris LB Join Date: Nov 2008
Location: Safety Harbor, FL
Posts: 1,006
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Yes, it's normal.
If you're patient, going slow enough (yes, you have to be going slow) and just keep gentle pressure on the lever, what's happening is that the synchros in the transmission are working to bring first gear up to the proper speed to slip in. If you're less patient, try giving the throttle a little blip after you come out of 2nd, but before you try to go to first. That little blip will spin up the input shaft and if you do it right, it will help smooth the downshift. (it's called "rev-matching", Google it) While the synchros WILL allow you to downshift to first while you're moving, more often than not, there's no need to do so and you're just causing extra wear on the transmission by doing it. Wait until you're stopped and it will slip right in. |
03-31-2009, 02:24 PM | #4 | |
Drives: '09 Meteorite Metallic 3 dr MT Join Date: Jan 2009
Location: CA
Posts: 127
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03-31-2009, 02:25 PM | #5 |
Drives: 2007 Yaris Hatchback Join Date: Mar 2009
Location: Cleveland, Ohio
Posts: 137
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Thanks guys, knowing that that's normal, makes me 1 less to worry about in my car :)
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04-01-2009, 08:55 AM | #6 | |
Drives: SRT4 Join Date: Mar 2007
Location: maryland
Posts: 38
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04-01-2009, 09:30 AM | #7 | |
Is about to 'SeaYa' later
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See Loren's post. You said you want to shift into first and hold the clutch in so you can start going again faster....... just keep it in second, or be patient for 1-2 more seconds and slow down more before going into 1st. To avoid some of the wear of jamming it into 1st, try a SSK kit, which will make the shift harder (more effort on your arm, less on the synchs) Otherwise, (and I hate to have to be a smart ass here) but if you want instant response at any speed, consider trading for an automatic transmission.
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I am John Galt. |
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04-01-2009, 12:50 PM | #8 |
Drives: 2007 Yaris Hatchback Join Date: Mar 2009
Location: Cleveland, Ohio
Posts: 137
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No i love my manual transmission, however, $2600 of work? for that? that sounds unbelieveable, my car is not even under warranty anymore, i'm not gonna blow that much money, just so i can shift into first gear while moving, note i can switch into 1st gear while moving, HOWEver, i need to apply double force for it to switch to 1st!
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04-01-2009, 05:14 PM | #9 |
What?
Drives: 2007 Yaris LB Join Date: Nov 2008
Location: Safety Harbor, FL
Posts: 1,006
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I think forcing that downshift to first repeatedly is what will CAUSE the need for that kind of transmission work.
Let your synchros work at their own pace, don't force it. The more force you put on it, the more wear you're putting on the synchros. When they wear out, then you'll get a nice GRIND every time you try to downshift to first. It's a zen thing... be one with your car. |
04-01-2009, 05:18 PM | #10 |
Drives: 2007 Yaris Hatchback Join Date: Mar 2009
Location: Cleveland, Ohio
Posts: 137
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what are synchros what do they do?
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04-01-2009, 05:25 PM | #11 |
What?
Drives: 2007 Yaris LB Join Date: Nov 2008
Location: Safety Harbor, FL
Posts: 1,006
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Google is your friend. Synchros are explained on the 4th page.
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04-02-2009, 12:39 AM | #12 | |
Drives: 08 Yaris Join Date: Oct 2008
Location: Vancouver, BC
Posts: 365
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Quote:
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RIP Yaris, I will miss your superb handling a lot. darkmoon87's picture thread http://www.yarisworld.com/forums/showthread.php?t=10013 |
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04-02-2009, 02:33 AM | #13 | |
Super Moderator
Drives: Yaris 2DR LB 07, MT, Abs. Red Join Date: Feb 2009
Location: San Francisco Bay Area
Posts: 5,155
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Quote:
MT are far more responsive generally than auto. The Yaris's clutch is just weird. Thanks indeed, Loren, for the explanation and link. |
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04-02-2009, 06:29 AM | #14 |
Drives: SRT4 Join Date: Mar 2007
Location: maryland
Posts: 38
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They had to replace pretty much everything in the transmission. Hell the dealer did not even realize that you can rev match down into first gear while moving in any car. And just to make things clear my car would not go into First at all unless stopped if you tried to get it into first it would grind and it did that from brand new. Turns out when they "tested" it they just sat in the parking lot and kept putting it into first over and over or just driving around the lot putting it into first then never tried to down shift it into first gear while moving just like the owners manual says you can.
There are many times in stop and go traffic and other slow areas where being in first is much better then lugging the car around in second gear at like 10mph. Also now that it has been fixed it is so much more like what I expect a Toyota to be like and now drives like my other manual transmission cars. |
04-02-2009, 06:30 AM | #15 | |
Drives: SRT4 Join Date: Mar 2007
Location: maryland
Posts: 38
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04-02-2009, 08:45 AM | #16 | |
Is about to 'SeaYa' later
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Way to keep me honest to the adage...."Mean what you say and say what you mean."
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I am John Galt. |
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04-02-2009, 01:19 PM | #17 |
Drives: Yaris Join Date: Apr 2009
Location: USA
Posts: 355
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The gears are short anyhow. I can start from a dead stop out of second without much vibration. I can't possibly see the need to shift into first while still moving.
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