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newb: Hard downshift? Engine mount play?

Discussion in '1st Gen. Tacomas (1995-2004)' started by 747, Feb 2, 2008.

  1. Feb 2, 2008 at 6:11 PM
    #1
    747

    747 [OP] function > form

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    I've had my tacoma for a week now: '03 Automatic trans w/64500. I've noticed a recurring--though not consistent--"jump" when I come to a stop. The truck checked out at my mechanic, but I know something's up.

    It occurs only sometimes, and when it occurs it feels like a hard drop into 1st gear, or possible some play in one of the engine mounts. It only occurs when I stop the truck. No stutter, just a short "kick". Horrible explanation I know...

    Anyway, the brakes check out, the ABS works, the transmission is crisp, there are no other noises or issues (that I'm aware of), and otherwise the truck feels good.

    Is this a tacoma thing? It's really pissing me off, and my mechanic (who I trust) can't find any issue.

    Am I just used to driving a car? All diagnoses and/or guesses welcome.:confused:
     
  2. Feb 2, 2008 at 6:23 PM
    #2
    klown

    klown Tacoma World Ring Leader

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    It's an automatic thing, autos are POS. How TF is a computer supposed to know when I wanna shift?
     
  3. Feb 2, 2008 at 9:02 PM
    #3
    99TRD

    99TRD Well-Known Member

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    Search the forum on Axel Wrap. It is a fairly common problem with Tacomas. There are a few recommended fixes for it from lubing the driveshaft to traction bars. I have it too.
     
  4. Feb 2, 2008 at 10:27 PM
    #4
    747

    747 [OP] function > form

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    99TRD, you da' man! I felt a little nutty when my mechanic re-checked the truck for problems and found none.

    Checked the threads, and found similar symptoms just as you said (typed) I would. Thanks a million, I owe you one!
     
  5. Feb 2, 2008 at 10:39 PM
    #5
    concrete jedi

    concrete jedi Well-Known Member

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    Broken and scratched tailgate, cracked rear tail light lens, coffee stain in driver seat.
    Props to 99 !! :D
     
  6. Feb 3, 2008 at 8:26 AM
    #6
    Janster

    Janster Old & Forgetful

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    It's also referred to as the *Lurch*....

    I think it's just a late downshift which causes rpm's to boost up briefly. My husbands Grand Cherokee did it from time to time.
     
  7. Feb 3, 2008 at 9:00 AM
    #7
    concrete jedi

    concrete jedi Well-Known Member

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    Broken and scratched tailgate, cracked rear tail light lens, coffee stain in driver seat.
    Try this, whilst coming to a stop, put the truck in neutral and see if it still lurches, then you'll know if it transmission or engine.
     
  8. Feb 4, 2008 at 4:06 PM
    #8
    747

    747 [OP] function > form

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    Saw transmission guy today (just in case / o.c.d.). He also thought it was axle wrap (spring wrap). I figure he had an incentive to tell me otherwise, so I'll go w/his and 99TRD's conclusions

    Good also, because I already ordered some stuff for the truck.:eek:
     
  9. Feb 4, 2008 at 4:10 PM
    #9
    Toy4Life

    Toy4Life 668: The Neighbor of the Beast

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    It's common in the autos. Mine does it too. Nothing to be concerned about.
     
  10. Feb 4, 2008 at 7:58 PM
    #10
    99TRD

    99TRD Well-Known Member

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    I read that over time, axel wrap can cause problems, but I have never spoken to anyone that has encountered them.

    Funny, but this problem is the reason that I joined this forum. I was looking for anything about this problem on the web and this site came up. Glad I did.
     
  11. Feb 4, 2008 at 8:10 PM
    #11
    350TacoZilla

    350TacoZilla Well-Known Member

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    2.7L 3RZ,K&N filter, 4" deck plate mod,flowmaster 40 series,3" suspension lift, hybrid 52"chevy/toyota rear springs.
    hmmm problems with axle wrap? I've busted the spring packs wrapped the axle so the pinion was facing straight up,bent driveshaft,broken shock,tore the brakelines off axle,put tires into body work,broken u bolts....you know nothing big ;) over time it can hurt the springs causing them to be bouncy and make the axle sit wrong on perches...mine was a case of power+traction=break and yes it was TacoZilla with the small block lol
     
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