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Bad steering

Discussion in '2nd Gen. Tacomas (2005-2015)' started by Dex__43, Feb 12, 2019 at 1:26 AM.

  1. Feb 12, 2019 at 1:26 AM
    #1
    Dex__43

    Dex__43 [OP] New Member

    Joined:
    Feb 1, 2019
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    4
    Gender:
    Male
    First Name:
    Sam
    Vehicle:
    2009 DCSB TRD Prerunner
    3 inch lift. 33's. Satoshi grill. Subs and a pioneer touchscreen stareo. Paint work. Sleeping platform with lower storage for the bed.
    Is this a common problem? I never know where my trucks gonna go. Especially above 65mph, it feels like its floating. It has a brand new rack/outer tie rod ends.

    20190208_004942.jpg
     
  2. Feb 12, 2019 at 9:45 AM
    #2
    FrancoJZ

    FrancoJZ Active Member

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    I have the same issue as with a lot of Tacoma’s. I own a 2015 and when I purchased with factory wheels and tires noticed it immediately. It’s called highway wonder and if all your joints and bushing are good the only thing I can recommend of which I did was to installed adjustable UCA’s, pricey, and set camber above 3.0. Eliminated it somewhat but I still notice truck want to walk at highway speeds. Anymore input to this issue is greatly appreciated. Thx
     
  3. Feb 12, 2019 at 9:46 AM
    #3
    FrancoJZ

    FrancoJZ Active Member

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    Sorry I meant castor on the adjustment
     
  4. Feb 12, 2019 at 9:48 AM
    #4
    Bishop2Queens6

    Bishop2Queens6 Well-Known Member

    Joined:
    Jun 8, 2011
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    #57944
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    First Name:
    Mike
    SoCal
    Vehicle:
    2009 DCSB MGM
    Afe CAI (removed back to stock intake), TSB 4 leaf pack with Firestone Air Bags and Daystar cradels, 3rd OEM HU, Wranger All Terrain Adventure with Kevlar 265/75/16, Cali raised LED pods, Wheeler Off Road Front Bump Stops.
    Increase the caster around 2.5 and it should feel like it will track better. Ideally, you should be 0* toe, 0* camber. and 2.5* caster. The more caster you have, the better the truck will track in a straight line. With an aftermarket UCA, you can increase your caster past 3.0*. I've ran it as high has 4.5* and it feels super planted at the range, but your MPG's will suffer a bit at that level.
     
  5. Feb 12, 2019 at 9:55 AM
    #5
    FrancoJZ

    FrancoJZ Active Member

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    I have my castor set at 2.8 of which I need to set it out a bit more since it still wonders but like u said compromises MPG and steering becomes stiffer
     
  6. Feb 12, 2019 at 10:39 AM
    #6
    Dex__43

    Dex__43 [OP] New Member

    Joined:
    Feb 1, 2019
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    Messages:
    4
    Gender:
    Male
    First Name:
    Sam
    Vehicle:
    2009 DCSB TRD Prerunner
    3 inch lift. 33's. Satoshi grill. Subs and a pioneer touchscreen stareo. Paint work. Sleeping platform with lower storage for the bed.
    Cool thanks yall. Cant believe its such a common issue. How much does it affect the MPG when castors up past 2.5? I am also wondering if this highway wonder is hard on the rack and susspension components. When one wheel hits a rut, especially when coming to a stop, the steering wheel makes a quarter turn too. This used to happened before my lift. Any body try steering stabalizers? Are stronger sway bars a thing?
     
    Last edited: Feb 12, 2019 at 12:03 PM
  7. Feb 12, 2019 at 12:46 PM
    #7
    Bishop2Queens6

    Bishop2Queens6 Well-Known Member

    Joined:
    Jun 8, 2011
    Member:
    #57944
    Messages:
    1,433
    Gender:
    Male
    First Name:
    Mike
    SoCal
    Vehicle:
    2009 DCSB MGM
    Afe CAI (removed back to stock intake), TSB 4 leaf pack with Firestone Air Bags and Daystar cradels, 3rd OEM HU, Wranger All Terrain Adventure with Kevlar 265/75/16, Cali raised LED pods, Wheeler Off Road Front Bump Stops.
    When I was at 4.0* caster, I lost approx 1.5 mpgs. I got a bit more bumpsteer as well, but I chose to dial it down around 2.8* caster. It isn't as stable, but it got my average back to 18.5-19 mpg
     
  8. Feb 12, 2019 at 1:13 PM
    #8
    Dex__43

    Dex__43 [OP] New Member

    Joined:
    Feb 1, 2019
    Member:
    #281501
    Messages:
    4
    Gender:
    Male
    First Name:
    Sam
    Vehicle:
    2009 DCSB TRD Prerunner
    3 inch lift. 33's. Satoshi grill. Subs and a pioneer touchscreen stareo. Paint work. Sleeping platform with lower storage for the bed.
    For sure, are you running stock height and wheels?
     
  9. Feb 12, 2019 at 4:28 PM
    #9
    Bishop2Queens6

    Bishop2Queens6 Well-Known Member

    Joined:
    Jun 8, 2011
    Member:
    #57944
    Messages:
    1,433
    Gender:
    Male
    First Name:
    Mike
    SoCal
    Vehicle:
    2009 DCSB MGM
    Afe CAI (removed back to stock intake), TSB 4 leaf pack with Firestone Air Bags and Daystar cradels, 3rd OEM HU, Wranger All Terrain Adventure with Kevlar 265/75/16, Cali raised LED pods, Wheeler Off Road Front Bump Stops.
    I was running stock SR5 steel wheels with 265/75/16. I was lifted 2.5 inches with Bilstein 5100's and OME885x springs with JBA std UCA.

    Alignment Specs:
    Front left
    0.3 Camber
    4.4 Caster
    0.04 Toe

    Front Right
    0.1 Camber
    4.1 Caster
    0.04 Toe

    I ran that set up for about 2 Years and 100K miles. It tracked well, was stable, averaged around 17 MPGs, but I did have bumpsteer whenever hitting a pothole or off roading rolling over an obstacle.

    Beginning of 2018, I upgraded to ICON extended travel CO's, added an ARB front bumper, swapped the LCA for a MOOG since the bushing were shot, and got 265/70/17 tires and TRD Pro Sema wheels in Graphite.

    Alignment Specs:
    Front Left
    0.1 Camber
    2.7 Caster
    0.02 Toe

    Front Right
    -0.2 Camber
    2.7 Caster
    0.05 Toe

    Overall, I like the 2.7 caster better as it is better balanced for daily driving. Yes, it's a bit more switchy/floaty than 4* caster, but I'm not fighting bumpsteer anymore, I'm averaging 19 MPG's, and still cruises the highway just fine.
     
  10. Feb 13, 2019 at 4:08 PM
    #10
    Armkb

    Armkb Well-Known Member

    Joined:
    Nov 15, 2008
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    Hudson Valley, New York
    Vehicle:
    09 TRD Sport DCLB
    Bilstein 5100, OME 885X, LR UCA, Toytec AAL, ES LCA Rack & Sway Bar Bushings, Yellow Wire Mod, ABS Switch, TPMS Mod, Scanguage, Toyota Bed Mat, WeatherTech Floor Liners, Toyota Wheel Locks, Extang Trifecta Cover, Fumoto Drain
    What does caster have to do with fuel economy? Shouldnt have any affect at all! Educate me!
     
    Last edited: Feb 13, 2019 at 4:32 PM
    mynewtoy likes this.

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