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What the heck is wrong.......

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by Liberator, Sep 18, 2001.

  1. Liberator

    Liberator 1/2 ton status

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    What the heck is wrong with my NP 205? It gets stuck in 4wd and won't come out! Eventually it'll come out like nothing was wrong in the first place! It's a TH 350 version 205 from a '77 pu. Any ideas, solutions, comments?

    Bo

    If it breaks, it wasn't good enough!
     
  2. k5blazerus

    k5blazerus 1/2 ton status

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    mine did the same thing and it ended up beaing the linkage on the shift rails was binding up dont tell me how because I have no clue.
    colin

    Save the whales Harpoon a fat chick.
     
  3. TorkDSR

    TorkDSR 1/2 ton status

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    mine is finicky also, i can [censored] in and out of 4 hi/2hi easiest while coasting. to get it in 4 lo, she needs to be in park. i also encountered a problem with the body lift i had to cut the shifter hole biger so i could pull it all the way back, sounds silly, but you never know.

    Tork DSR
    I just got a winch, it takes the fun out of things.
     
  4. wayne

    wayne 3/4 ton status

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    I have been told that this is common on the 205's because of the internal gears. I have also been told that if you have a locker in the rear it can even be more of a pain to get out of 4wd.

    See <a target="_blank" href=http://coloradok5.com/gallery/Waynes-Toy>Project Mighty Mouse</a> here.
    <font color=blue>Wayne<font color=blue>
    <font color=blue>Happy Trails<font color=blue>
     
  5. Triaged

    Triaged 1/2 ton status

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    I find it ezist to put it in N with the e-brake on. If needed I let it roll a bit to help it come out. I tried the brute force method...man that shift lever is strong!

    '71 Blazer CST w/ a 400sbc, 4" lift, 36" Supper Swampers, and alot of rust
    <a target="_blank" href=http://community.webshots.com/user/triaged>See it Here </a>
     
  6. BorregoK5

    BorregoK5 1/2 ton status

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    I find that shifting into nuetral and letting the truck roll a bit does the trick 95% of the time, the rest is just the case being finicky.

    What, Me Worry?
    <a target="_blank" href=http://www.echobit.com:81/k5/> The 'BEFORE' pictures</a>
     
  7. dyeager535

    dyeager535 1 ton status Premium Member

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    Throw it in reverse for about two feet then try again : )

    Just tried that tonight. 4LO only, but might be same problem in 4HI, I just didn't test that.

    Looks like probably the t-case gets "bound up". Not exactly sure *why* that works, but it definitely did on my truck, more than a couple of times. (never had a problem after going to reverse)

    Speculation, but for the same reasons you aren't supposed to drive 4wd on dry pavement, when you want to take the truck OUT of 4WD, you are likely already on semi hard dirt or even pavement. Components are starting to "bind up" from either front or rear wheels not "slipping" easily,so you get pressure on the gears in the t-case. With what I have heard of slight variances in front/rear gearing, that would make sense.

    I'm anxious to hear if that reverse trick works on everyones truck with 205. BTW, that is with manual hubs still locked in.

    Dorian
    My tech/links page: <a target="_blank" href=http://www.dorianyeager.com/index2.html>http://www.dorianyeager.com/index2.html</a>
    No anti-theft measures on your truck? No pity when its stolen
     

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