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6 speed manual transmission

Discussion in 'Technical Chat' started by raffy, Mar 2, 2008.

  1. Mar 2, 2008 at 10:18 PM
    #1
    raffy

    raffy [OP] Member

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    This is my first time to drive a truck and got a new 2008. Every time I change gear the rpm take long to reduce before I shift to another gear. Is this normal or something wrong this happens since I got this truck.
     
  2. Mar 2, 2008 at 10:21 PM
    #2
    utixrunner

    utixrunner I <3 Boost

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    its normal, its the Drive By Wire system
     
  3. Mar 3, 2008 at 5:25 AM
    #3
    raffy

    raffy [OP] Member

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    Hi,
    If this is normal so I can shift to another gear even the rpm is still high? By the way shifting is smooth no problem.Thanks for the info.

    raffy
     
  4. Mar 3, 2008 at 5:55 AM
    #4
    klown

    klown Tacoma World Ring Leader

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    Lynchburg, VA
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    Black, leather and heated seats, borla sport exhaust, side curtain airbags, daytime running lights, all weather mats, JBL premium 6 disk changer system, stainless step tubes, window tint, tow package
    Yeah I noticed the same thing when I got my truck a couple of weeks ago. I just figured it was because it had a heavier flywheel then my old V-dub. I don't know what this drive by wire deal is.
     
  5. Mar 3, 2008 at 12:38 PM
    #5
    concrete jedi

    concrete jedi Well-Known Member

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    Klown is right, it's kind of weird until it breaks in, try to hold your shifts a little and then change around 2200-2300, but don't do this under a heavy accelerator, nice and easy.
     
  6. Mar 3, 2008 at 6:34 PM
    #6
    revn247

    revn247 Active Member

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    Raffy,
    I have the same thing on my 08. At first I thought it was just me but I had a few others tell me the same. And I didn't tell them anything about it. I also noticed that the rpm goes up when you brake. Close to 1500 rpm. It does it in neutral w/ the clutch out, light braking, and heavy braking. If you keep it in gear until about 1000 rpm while braking...you feel it "surge" and when you do push in the clutch it goes up until you just about stopped.

    I tried resetting the CPU by disconnecting the neg. batt cable. It actually got worse! It does settle down after a bit but WTH!!!.

    Another observation is that it shifts normal when cold, like right after you start it up in the am until it warms up.
    I've driven stick all my life and never experienced this in any car.

    I don't think any of this is normal. I'm starting to wonder if we got the cpu for an automatic. Which now leads me to another question.


    For those of you w/ the Scangauge 2, does it read what flash/firmware you have? Just interested in making a comparison.
     
  7. Mar 3, 2008 at 7:06 PM
    #7
    deer_pop

    deer_pop Well-Known Member

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    None yet
    My buddy just bought an 08 Accord with a stick (sweet little car) and his car holds the revs when shifting as well so it is not just a Toyota thing

    Maybe this is the next generation of manuals. I am cool with it and have adjusted.
     
  8. Apr 29, 2008 at 12:37 PM
    #8
    ANDYTACOMA

    ANDYTACOMA NOMAD

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    fog light mod /parking light mod /after market stereo /bed lights/yeasu ft8700/uniden bct15
    it does that because our trucks try to constantly "learn" your driving habits and they try to adapt the obdII computer to maximize fuel burn and timing hence the "VVTI"
     
  9. Apr 29, 2008 at 1:51 PM
    #9
    Cburt

    Cburt Well-Known Member

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    It gets better over time. My 06 has 13,000 and I don't notice it anymore.
     
  10. May 3, 2008 at 5:33 AM
    #10
    beondwacko

    beondwacko Well-Known Member

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    The reason the revs "hang" between shifts is because of the programming of the ECU. It's programmed that way for emissions reasons. It's not the flywheel, or the full moon, or the brand of gas you use.
     
  11. May 5, 2008 at 10:45 AM
    #11
    zmtnbik

    zmtnbik FMLYHM

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    This is one of the biggest complaints I have seen with the manual trans.

    My issues with this went away with TRD CAI as well as TRD exhaust. I attribute the cause to excess back pressure. when you decrease this 'back pressure" the rpm's drop as soon as the clutch is depressed.
     
  12. Oct 3, 2008 at 5:11 PM
    #12
    papabear050

    papabear050 Well-Known Member

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    Is your exhaust the whole unit or just the muffler, I heard they don't make the whole TRD Cat Back for our trucks anymore. I may be confused,
    but yeah, I been driving stick for 14 years and my 08 witn 1k mile on it does it too. It is starting to smooth out now, thinkin of getting a CAI and Exhaust to help this prob as well as making it sound better. yeah I revived the thread!
     
  13. Jun 6, 2010 at 6:51 AM
    #13
    Outbraker

    Outbraker New Member

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    I noticed this also.It is nothing like my last manual vehicle(79 Z28) but I am used to it now.I think I am moving the gear lever earlier in relation to the clutch being fully pressed.Ofcourse one must get off the gas without delay as well.
     
  14. Jun 10, 2010 at 2:23 PM
    #14
    pulpit

    pulpit New Member

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    TRD Short Shift, Tint Midnight, HID lights, Roll&Lock Bed Cover, Side Steps, Roof Rack
    My gear has problem engaging 1st and 5th speed, I installed the TRD short shifter a little better but problem still exist, anybody else?? Oh went througth the thread didn't find any related topic
     
  15. Feb 1, 2012 at 4:17 PM
    #15
    unskinator

    unskinator Active Member

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    well my 05 with now 71000 miles has gotten better as time goes. it takes time to get use to, its an electronic accelerator with no gable. 2 nd gear is always a bit rough the rest goes very smoothly. good luck
     
  16. Feb 1, 2012 at 4:27 PM
    #16
    tacobo670

    tacobo670 if you have to ask, u can't afford it

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    its probably keeping the rpm's up because ur shifting, to help gear transition so as not to create to much shift shock going into or coming out of another gear. the ecu also is able to read clutch switch (this may also be how/why its able to do it). also when u brake -there is a vacuum line to brake booster -engine reads vaccum and maintains rpms, especially if clutch is pressed again (during downshift). just my $.02
     
  17. Feb 1, 2012 at 4:33 PM
    #17
    Jester243

    Jester243 all I wanted was a god dang picture of a hotdog...

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    some of this, a little of that
    :laugh:

    Reading through the thread I though Klown was back for a minute
     

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