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4-wheel drive

Discussion in '2nd Gen. Tacomas (2005-2015)' started by harleykern, Mar 31, 2011.

  1. Mar 31, 2011 at 3:56 PM
    #1
    harleykern

    harleykern [OP] Member

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    Does anyone's 4-wheel drive thunk when you put it in or take it out once in awhile?
     
  2. Mar 31, 2011 at 3:58 PM
    #2
    skytower

    skytower Well-Known Member

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  3. Mar 31, 2011 at 4:07 PM
    #3
    harleykern

    harleykern [OP] Member

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    thank you all for the quick replies but it still does it once in a while without pushing the gas. Just wondered never did it with my chevy.
     
  4. Mar 31, 2011 at 4:43 PM
    #4
    skistoy

    skistoy Make mine a Double!

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    chevy wasn't as good
     
  5. Mar 31, 2011 at 8:05 PM
    #5
    David K

    David K Well-Known Member

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    A 'Thunk' is good!

    The ADD improves gas mileage, reduces wear on parts when you are in 2WD... think of it as automatic locking hubs, but better in that you can shift on-the-fly (no driving in reverse to unlock) into and out of H4.
     
  6. Mar 31, 2011 at 8:20 PM
    #6
    David K

    David K Well-Known Member

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    I only heard of Auto. locking hubs that needed to be driven in reverse to unlock... since then ADD was created. I wonder how it unlocks at the hubs without driving backwards?

    Thanks Christian... The ADD does reduce wear compared to staying locked all the time, right?
     
  7. Mar 31, 2011 at 8:28 PM
    #7
    98tacoma27

    98tacoma27 is going full "SANDWICH" Moderator

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    ADD doesn't unlock hubs
     
  8. Mar 31, 2011 at 8:38 PM
    #8
    98tacoma27

    98tacoma27 is going full "SANDWICH" Moderator

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    Visualization of Whippers explanation
     
  9. Apr 1, 2011 at 8:48 AM
    #9
    David K

    David K Well-Known Member

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    Neither did my First Gen (2001) Tacoma... it also had an ADD (shift on-the-fly 4WD)
     
  10. Apr 1, 2011 at 8:56 AM
    #10
    David K

    David K Well-Known Member

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    Originally Posted by David K [​IMG]
    I only heard of Auto. locking hubs that needed to be driven in reverse to unlock... since then ADD was created. I wonder how it unlocks at the hubs without driving backwards?

    I never said ADD did... when I said 'it', I was refering to the system Christian was describing that wasn't an ADD.

    If 'it' doesn't need to be driven backwards and 'it' isn't auto. locking hubs... what is 'it'?

    I think what Christian posted just above may explain it. But, is Ford really so bad at making an ADD that they have 4WD trucks running in 2WD with all the front end moving?

    Thanks for offering to help!:D
     

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