1. Welcome to Tacoma World!

    You are currently viewing as a guest! To get full-access, you need to register for a FREE account.

    As a registered member, you’ll be able to:
    • Participate in all Tacoma discussion topics
    • Communicate privately with other Tacoma owners from around the world
    • Post your own photos in our Members Gallery
    • Access all special features of the site

Deceleration issue - 06 V6 Automatic

Discussion in '2nd Gen. Tacomas (2005-2015)' started by Syncros, Mar 2, 2012.

  1. Mar 2, 2012 at 6:16 PM
    #1
    Syncros

    Syncros [OP] Well-Known Member

    Joined:
    Mar 22, 2011
    Member:
    #53500
    Messages:
    488
    Gender:
    Male
    My 06 Auto is showing its age with 197km on it. Let me explain this issue.

    When I apply the brakes there is an obvious rumble, there is also pulsation. What I do know is I need to replace the brakes, I will most likely be doing all four corners since the rear shoes are about 20%.

    But there's more to it, If I apply the brakes and let off while coasting theres a rumble in the steering wheel and floor boards, it will rumble until continue accelerating again, its mostly noticeable at lower speeds with the shifter in "Drive". It is the same in 4wd, no difference other than feeling like the truck is in 4wd. If I come to a hard stop and take off again theres a noticeable "clunk" in the driveline, im guessing theres some decent axle wrap going on

    I climbed around underneath the truck, the u-joints don't seem to show any play, the differential backlash is good and the pinion isn't loose or anything.

    I'm thinking its possibly a wheel bearing. I will start by doing the brakes. But if anyones had similar symptoms I would love to hear from you.
     
  2. Mar 2, 2012 at 6:29 PM
    #2
    joshua721

    joshua721 Well-Known Member

    Joined:
    Jan 27, 2012
    Member:
    #71555
    Messages:
    757
    Gender:
    Male
    Vehicle:
    05 dblcab 4x4
    6 inch fabtech stage 2, alcan springs
    warped rotors?
     
  3. Mar 2, 2012 at 6:41 PM
    #3
    the.sight.picture

    the.sight.picture Well-Known Member

    Joined:
    Jan 22, 2012
    Member:
    #71180
    Messages:
    3,288
    Gender:
    Male
    First Name:
    Nick
    PWC, VA
    Vehicle:
    2016 MGM TRD OR 4X4 DCSB
    Tint
    this^^ is wat i say do first.
     
  4. Mar 2, 2012 at 7:00 PM
    #4
    Syncros

    Syncros [OP] Well-Known Member

    Joined:
    Mar 22, 2011
    Member:
    #53500
    Messages:
    488
    Gender:
    Male
    It is "warped" rotors, I know that much. Im wondering about the other vibrations/rumbling etc that are present when the brakes are not applied. Im going to pull the rear drive shaft tommoro and check the u-joints.
     
  5. Mar 2, 2012 at 8:14 PM
    #5
    skytower

    skytower Well-Known Member

    Joined:
    Jun 7, 2010
    Member:
    #38505
    Messages:
    3,228
    Gender:
    Male
    First Name:
    Dave
    virginia
    Vehicle:
    08 Tacoma 4x4
    Hitch and wiring, aux back-up light, rear strobe lights, radio and underseat sub.
    It is likely that a caliper is dragging/not releasing. You're looking at new rotors, pads, and new calipers. Replace them as a pair, so you have even braking.
     
  6. Mar 2, 2012 at 8:16 PM
    #6
    OZ-T

    OZ-T Quite an experience to live in fear , isn't it ?

    Joined:
    Dec 15, 2009
    Member:
    #27584
    Messages:
    38,683
    Gender:
    Male
    First Name:
    Peter North
    British Columbia
    Vehicle:
    Mag Grey 09 Trd Sport DCLB 4x4
    OME 885x , OME shocks and Dakars , Wheelers SuperBumps front and rear , 275/70/17 Hankook ATm , OEM bed mat , Weathertech digifit floor liners , Weathertech in-channel vents , headache rack , Leer 100RCC commercial canopy , TRD bedside decals removed , Devil Horns by Andres , HomerTaco Satoshi
    I was going to say hanging caliper
     
  7. Mar 2, 2012 at 9:06 PM
    #7
    Joe D

    Joe D Sausage King

    Joined:
    Nov 13, 2011
    Member:
    #66942
    Messages:
    5,965
    Gender:
    Male
    First Name:
    Joe
    Oxford, Mississippi
    Vehicle:
    Nautical Blue 4Runner Limited 4x4 Model 8668
    I'd say this OR you have more than one issue. Start with the simple fix (brake pads, rotor turn or replace) as you've already looked at the drive shaft and affected components.
     
  8. Mar 2, 2012 at 9:12 PM
    #8
    skytower

    skytower Well-Known Member

    Joined:
    Jun 7, 2010
    Member:
    #38505
    Messages:
    3,228
    Gender:
    Male
    First Name:
    Dave
    virginia
    Vehicle:
    08 Tacoma 4x4
    Hitch and wiring, aux back-up light, rear strobe lights, radio and underseat sub.
    A hanging caliper will have unevenly worn pads. Inspect before you buy parts.
     
  9. Mar 2, 2012 at 11:38 PM
    #9
    landphil

    landphil Wishin' I was Fishin'

    Joined:
    Mar 3, 2011
    Member:
    #52290
    Messages:
    2,393
    Gender:
    Male
    BC, Canada
    Vehicle:
    RIP 2006 Tacoma DCSB
    Tundra 5.7 mod
    And that brake will got hot on a longer trip.

    Also, check the rear leaf springs, bushings, and u-bolts. A broken leaf or loose u-bolts could give the symptoms you describe if it allows abnormal movement of the axle.
     
  10. Mar 2, 2012 at 11:49 PM
    #10
    MotorsportsAustin

    MotorsportsAustin Well-Known Member

    Joined:
    Jan 8, 2012
    Member:
    #70264
    Messages:
    239
    Gender:
    Male
    First Name:
    Austin
    Belmont, CA
    Vehicle:
    2012 Off Road 6spd
    Sounds like front control arm bushings or ball joints. These are pretty much 80K mile wear items now-a-days.

    Unlikely other options are uneven brake pad transfer (which most people think is warped rotor) or actual uneven brake rotor surface (warped rotor). This would be caused by crappy pad and rotor combination or crappy bedding.

    This is a symptom seen on many vehicles, Chevy truck / Tahoe, BMW (all), Porsche, Corvette, Audi (very often) more.

    Bad suspension components can allow disc (front) brakes to wear unevenly. Changing the brakes may produce a temporary remedy.

    Bad wheel bearing will also create a humming noise that will change as you turn corners / bends at 30+ mph.
     
  11. Mar 3, 2012 at 12:59 AM
    #11
    skytower

    skytower Well-Known Member

    Joined:
    Jun 7, 2010
    Member:
    #38505
    Messages:
    3,228
    Gender:
    Male
    First Name:
    Dave
    virginia
    Vehicle:
    08 Tacoma 4x4
    Hitch and wiring, aux back-up light, rear strobe lights, radio and underseat sub.
    If he had suspension related complaints in addition to the symptoms he listed, yea. Still a good thing to check. I still say brakes, although I have yet to test drive it. A test drive and inspection will be the determining factors.
     
  12. Mar 3, 2012 at 3:26 AM
    #12
    adrstout

    adrstout Well-Known Member

    Joined:
    Feb 20, 2012
    Member:
    #73247
    Messages:
    404
    Gender:
    Male
    First Name:
    Adam
    Indiana
    Vehicle:
    '12 4cyl SR5 4x4
    2.5" lift, 265/75r16 Cooper AT3, All Pro Front Skid, KBVoodoo bed rack, a bunch of other random stuff
    Still getting good normal fuel economy? If you have an O2 sensor out and your engine is on duty cycle, you can get that feeling when you let off.

    It's a strange thought but I've had it happen in another vehicle.
     
  13. Mar 3, 2012 at 8:52 AM
    #13
    Syncros

    Syncros [OP] Well-Known Member

    Joined:
    Mar 22, 2011
    Member:
    #53500
    Messages:
    488
    Gender:
    Male
    We'll find out today, pulling it all apart. Lets hope my differential is not the culprit as ive had them fail on all Toyota vehicles I have owned, 4runner, 2 pickups and a Supra. I know for sure that the brakes are in need, which is odd because they were replaced with OEM rotors, pads and calipers 20,000km ago, so I will start with the rears.


    Im going to pull the driveshaft and check for bound u-joints, there's nothing obviously wrong with them though, worth a shot. Being an automatic its hard to get it to duplicate problems.
     
  14. Mar 3, 2012 at 11:35 AM
    #14
    Syncros

    Syncros [OP] Well-Known Member

    Joined:
    Mar 22, 2011
    Member:
    #53500
    Messages:
    488
    Gender:
    Male
    Looks like the front rotors will need replacement first of all. I can't find anything decent locally, im weary of OEM now so I will have to buy online. This time slotted. Heres a question though, I noticed a decent ridge on the outer edge of the front rotors, normal, but it looks like the pads are scraping along the ridge, theres shiny spots on them.. quite possibly the "rough" sound im getting while braking.

    My u-joints feel great. No binding. The slip joint has some play though, I wonder if all the years of neglect and axle wrap have caused it to wear out?


    So on the topic of axle wrap, wow are these springs ever wussy, Its hard to believe how much the pinion angle changes when I switch from Drive to Reverse. They are the TSB springs, but im thinking my worn out shocks would be a major part of the problem seeing as how they are setup to work against the wrap, which if they are blown, they wont be doing. This could be what is causing the rumbling after I apply the brakes and coast, that dissapears when I accelerate. The differential itself has no issues, no play in the rear wheel bearings, everything is nice and tight that way.
     
To Top