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4X4 Problem...

Discussion in '2nd Gen. Tacomas' started by BuellRyder, May 13, 2011.

  1. May 13, 2011 at 10:19 AM
    #1
    BuellRyder

    BuellRyder [OP] New Member

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    Hello everyone. I have a 2007 TRD Sport Tacoma (Access Cab) and I am having problems with my 4X4. First, the 4x4 indicator light is flashing on the dash. Second, it will not go on 4x4 unless I turn the switch and then restart the truck with the switch on the position I want it to go to (4Hi or 4Lo). Then, when it does go to 4, the 4Hi still leaves the light indicator flashing. Then, when I switch to 4Low, it beeps but the truck is still on 4Hi. It also doesn't disengage the 4x4 very easy. I have 70,000 miles on the truck and the only thing I had to do on it was the clutch. I do wheel it a lot and often have to use the 4x4. Does anyone know what might be going on? The best part is when I took it to the Toyota dealership, nobody could figure it out and I basically paid $150 of diagnostic fees for nothing. Any suggestions will be greatly appreciated. Thanks guys and have a great day. God bless...
     
  2. May 13, 2011 at 10:25 AM
    #2
    whippersnapper02

    whippersnapper02 Well-Known Member

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    Bad front ADD actuator or bad transfercase selector motor. I would say the ADD actuator. The light flashing means it is trying to shift in but it hasn't locked. Select 4wd hi and see if the front drive shaft moves.
     
  3. May 23, 2011 at 10:49 AM
    #3
    BuellRyder

    BuellRyder [OP] New Member

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    I have never messed with an ADD before. Is it something that I can replace myself? Do I need to get a whole new transfer case? Also, what did you mean by watching the front drive shaft? Will I see it jerk or something?
     
  4. May 23, 2011 at 10:59 AM
    #4
    BlueT

    BlueT Well-Known Member

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    Do you know if there is any oil in transfer case or front diff ?
     
  5. May 23, 2011 at 11:05 AM
    #5
    BuellRyder

    BuellRyder [OP] New Member

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    There was last time I checked it which was right when it happened. It switches to it but I have to turn the truck off first and then on but it only goes 4Hi even with 4Lo annoyingly beeps.
     
  6. May 23, 2011 at 4:14 PM
    #6
    maineah

    maineah Well-Known Member

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    My brand new one was doing the same thing one day it refused to come out of 4 low blinking lights buzzer the whole 9 yards. I jacked it up wheels off the ground still would not come out finally disconnected the battery hooked it back up turn on the key and it came right out never moved it never started the engine. Took it to the dealer they called Toyota they gave me a list of things Toyota had them check bottom line they could not get it to lock up. I drove it around in their parking lot tried to get it to screw up and it has worked flawlessly ever since. I have no ideal if it will work for you but try disconnecting the battery and see what happens.
     
  7. May 23, 2011 at 4:15 PM
    #7
    whippersnapper02

    whippersnapper02 Well-Known Member

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    Beeping means you missed a step.
     
  8. May 23, 2011 at 7:47 PM
    #8
    David K

    David K Well-Known Member

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    The instruction card in your sun visor must be followed exactly, and the one key thing that is sub-conciously missed is: to get into L4 you must STOP and then put the tranny into NEUTRAL (NOT PARK!)... The same goes for getting out of L4.

    If yours isn't automatic, the clutch must be depressed all the way in.
     
  9. May 23, 2011 at 8:00 PM
    #9
    Bryan139

    Bryan139 I have a spectacular aura

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    I cut some wires here. Added some wires there.
    He's been managing for 4 years without a problem
     
  10. May 24, 2011 at 3:33 PM
    #10
    maineah

    maineah Well-Known Member

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    I am capable of reading and I understand how the transfer case works, despite all of Toyota's instructions both the manual and the sun visor it still would not go into 4 low I'm 6'1" and have pretty long legs so it's not from lack pushing in the clutch and once I did get it to go in it would not come out. Yeah it beeped all right no matter what position the switch was in I changed nothing as far as my operation and now it works perfectly I don't know why but suspect it needed to be exercised as it was pretty much brand new why it came out when I disconnected the battery is also any ones guess but there is more to it then just shifting the transfer case it's tied into the traction control also.
     
  11. May 24, 2011 at 3:35 PM
    #11
    whippersnapper02

    whippersnapper02 Well-Known Member

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    You also have to be on the brake. But who knows. It could have been a minor hiccup. If it happens again take video.
     
  12. May 25, 2011 at 2:50 PM
    #12
    maineah

    maineah Well-Known Member

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    Not with the 6 spd you actually can be moving all be it very slowly like 2 mph least that's what Toyota says.
     
  13. May 25, 2011 at 2:52 PM
    #13
    whippersnapper02

    whippersnapper02 Well-Known Member

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    Yes but you might as well stop instead of trying to maintain 2mph. It always works for me when I stop because I select 4wd high when moving then stop for low.
     
  14. May 25, 2011 at 4:25 PM
    #14
    maineah

    maineah Well-Known Member

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    Me too but that is what they say so you don't need to use the brake with a 6 spd other wise you would be stopped.
     
  15. May 25, 2011 at 4:29 PM
    #15
    OZ-T

    OZ-T All of those moments....will be lost.....in time

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    2MPH and stopped are the same thing
     
  16. May 25, 2011 at 11:49 PM
    #16
    David K

    David K Well-Known Member

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    I love Canadian logic! :D
     
  17. May 26, 2011 at 12:07 AM
    #17
    kessler89

    kessler89 Well-Known Member

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    try telling a cop that when you're "stopped" rolling thru a stop sign
     
  18. May 26, 2011 at 12:08 AM
    #18
    OZ-T

    OZ-T All of those moments....will be lost.....in time

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    Sorry Dr. Serious
     
  19. May 26, 2011 at 3:09 PM
    #19
    maineah

    maineah Well-Known Member

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    Good point good thing I wasn't in a hurry.
     
  20. Sep 1, 2012 at 8:03 AM
    #20
    lynnchpin

    lynnchpin YOTACO

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    ...later
    Here's mine...I have a fluctuating grinding sound from the front passenger wheel when NOT in 4WD (regardless if in 4L or 4H). As soon as I engage 4WD...no grind. It's a fluctuating grind increasing with speed that seems like a single roller inside a bearing is gouging the race as it rotates, but it disappears after 4WD is engaged. So I doubt its a bearing issue..unless 4WD forces the wheel to line up in such a way that it relieves any excess pressure on the bearing...if that's even possible. Important to note, a few times a very loud bang was noticed when I disengaged 4WD. Another point (which may not apply but...), I notice it is very hard to make turns with 4WD engaged. I have to gas it more to keep the RPMs up to keep moving forward and not kill the engine unless I press the clutch in time, but then the truck locks up as if I hit the brakes. Its as if something is creating excess resistence. This may be a normal occurance with 4WD, but being this is my first 4WD ever... So, either way, its going into the shop soon. But any input I can get on this matter will help me explain my situation better to the dealership
     
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