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Engine tranny separation

Discussion in '1st Gen. Tacomas' started by My3rdTac, Jun 30, 2011.

  1. Jun 30, 2011 at 10:04 PM
    #1
    My3rdTac

    My3rdTac [OP] Member

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    I've got a 2002 Tacoma Xtra Cab 2.7L SR5 automatic with 150,000 miles on it. Last weekend my engine shot a rod.

    I've got the engine almost ready to be pulled, but have a question about how to pull it. I'd like to leave the transmission in the truck, but am unsure of the procedure.

    Can I simply unbolt the motor from the transmission, slide it forward and lift it out? Do I need to do anything to the driveline? (transmission, t-case, shafts??)

    Any help would be appreciated.

    Thanks,

    Markus
     
  2. Jun 30, 2011 at 10:09 PM
    #2
    steve o 77

    steve o 77 braaap

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    Just undo the belhousing bolts and you should be good to go. It will slide right out.
     
  3. Jun 30, 2011 at 10:21 PM
    #3
    higherlux

    higherlux Well-Known Member

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    use a jack to support the front of the tranny

    other than that your good to go
     
  4. Jul 1, 2011 at 2:03 AM
    #4
    WASTE MANAGEMENT

    WASTE MANAGEMENT Well-Known Member

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    Is it auto or 5 spd? If it is auto you want to take the torq converter bolts or nuts out to avoid binding on the front pump and seal.
     
  5. Jul 1, 2011 at 5:40 AM
    #5
    98tacoma27

    98tacoma27 :POOPCORN: Staff Member

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    ^this^

    It might be a little difficult with a thrown rod though.
     
  6. Jul 1, 2011 at 9:17 AM
    #6
    My3rdTac

    My3rdTac [OP] Member

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    It's an automatic. Where are the torque converter bolts? What do I need to worry about for the reinstall?
     
  7. Jul 1, 2011 at 9:20 AM
    #7
    98tacoma27

    98tacoma27 :POOPCORN: Staff Member

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    They are on the fly wheel. You should have a small sheet metal plate where the tranny meets the motor. You should be able to access them there. The only issue is turning the motor. I don't know how much of an issue the thrown rod is going to give you.
     
  8. Jul 1, 2011 at 9:23 AM
    #8
    My3rdTac

    My3rdTac [OP] Member

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    I know where that is, why would I have to turn the engine, to access the bolts? Engine still runs, it just sounds terrible, so I should be able to spin the crankshaft.
     
  9. Jul 1, 2011 at 9:31 AM
    #9
    98tacoma27

    98tacoma27 :POOPCORN: Staff Member

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    Because the bolts are around the perimeter of the fly wheel. Yes, spin the crankshaft bolt by hand (socket).
     
  10. Jul 1, 2011 at 12:27 PM
    #10
    My3rdTac

    My3rdTac [OP] Member

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    Great, That is good to know. Any tricks when I'm dropping the new motor in?
     
  11. Jul 1, 2011 at 12:36 PM
    #11
    skytower

    skytower Well-Known Member

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    Take it slow and have two spotters. Replace the torque converter with new or rebuilt, put fluid in it and lube the seals with trans fluid.
     
  12. Jul 1, 2011 at 12:38 PM
    #12
    skytower

    skytower Well-Known Member

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    Hitch and wiring, aux back-up light, rear strobe lights, radio and underseat sub.
    I don't remember if the seals are on the input shaft or not, but replace them if they are.
     
  13. Jul 1, 2011 at 12:50 PM
    #13
    My3rdTac

    My3rdTac [OP] Member

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    How hard is swapping out the TC? A new TC is 1,000 bucks. I think i'll just do the seals and clean everything out
     
  14. Jul 3, 2011 at 3:34 PM
    #14
    donaldwagner

    donaldwagner -Don-

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    ha! my lower end went out and i couldnt get the damn engine apart from the tranny, i pulled both. ive heard you gotta push that tranny up and down rapidly to get it to separte from a buddy of mine that worked at toyota. just a heads up
     
  15. Jul 5, 2011 at 9:52 AM
    #15
    My3rdTac

    My3rdTac [OP] Member

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    Engine separated and came out with no problems. I get the new engine tomorrow, and new Torque Converter Seals tomorrow. I'll post some pictures when I'm done
     
  16. Jul 5, 2011 at 10:13 AM
    #16
    RideFast

    RideFast on the flats.

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    Sorry to change subject but, what causes a shot rod?
     
  17. Jul 5, 2011 at 10:33 AM
    #17
    skytower

    skytower Well-Known Member

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    No or low oil pressure. Oil is critical! Overheating will cause a breakdown of the oil and yeild the same result.
     
  18. Jul 5, 2011 at 2:21 PM
    #18
    jberry813

    jberry813 The Mad Scientist

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    Hydrolocking can also cause it :eek:

    [​IMG]

    [​IMG]
     
  19. Jul 5, 2011 at 2:36 PM
    #19
    skytower

    skytower Well-Known Member

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    Ouch! Yea, that's the fun way. The others are slightly less obvious:)
     
  20. Jul 11, 2011 at 11:49 AM
    #20
    My3rdTac

    My3rdTac [OP] Member

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    Separation went great, having some trouble getting them docked. Any tricks or suggestions? I'm very close 3/8 of an inch from everything sliding together.

    Also, this project just got a little more expensive, cracked my head on the cherry picker, a quick trip to urgent care, a couple hundred dollars and I've been glued back together.
     
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