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Tranny Gurus PLEASE HELP!*UPDATE*

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by Pure Insanity, Jun 9, 2001.

  1. Pure Insanity

    Pure Insanity 1/2 ton status

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    OK heres the deal,some of yall have prob read my other posts about my misc tranny probs.(and laughed I'm sure) Well today I dropped the linkage on the shifter to be able to get the tranny to 1st gear,(long story but i couldnt get it to 1st) so i get the truck rollin (barely) and drop it to 1st,to see if it drops down properly,well the SOB comes to a stop and wont move while in 1st.Put it in 2nd and it'll take right off no prob. in 2nd gear. WHAT in the world is happening!?!?! I'm about to go postal on the guy that rebuilt it.this guy has a GREAT reputation. But for some reason my tranny is whoopin him bad! I've already spent 60 bucks on tranny fluid from pullin the damn thing out.The ultimate insult is I've only put 20 or so miles on the truck. PLEASE HELP!!!![​IMG] I've managed to keep a good attitude and and get a few good laughs at it. My sense of humor has come to it's end.[​IMG]

    PURE INSANITY If ya can't stop,Smile as you go under!
    86 blazer see it at:<A target="_blank" HREF=http://www.zing.com/album/pictures.html?id=4292792569>http://www.zing.com/album/pictures.html?id=4292792569</A><P ID="edit"><FONT SIZE=-1>Edited by pureinsanity on 06/10/01 12:37 PM (server time).</FONT></P>
     
  2. xtreme_wlr

    xtreme_wlr 1/2 ton status

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    Re: Tranny Gurus PLEASE HELP!

    Well the obvious question is, have you taken it back to the guy yet? If he has a good reputation then he should stand behind his work.

    Otherwise, it sounds like the shift linkage or internal mechanism is screwed.

    78 Chevy 1 ton Stepside RockCrawler
    468 BB, SM465, NP205
    D60 front, GM 14Bolt w/ Detroit
    <A target="_blank" HREF=http://www.bowtiecrawler.com>http://www.bowtiecrawler.com</A>
     
  3. Pure Insanity

    Pure Insanity 1/2 ton status

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    Re: Tranny Gurus PLEASE HELP!

    Yea I've already taken it out and back to him 2 times. I've not been able to reach him since this happened. (only been about an hr) So I'm lookin for other answers to this problem. I'm extremely frustrated. He told me last weekend that if theres still a problem he'll refund my money to me that he must be overlookin somethin. He has bent over backwards to make this right,I'm just gettin tired of pullin the tranny. He has like 30 yrs exp. w/ GM trannys,so this makes NO sense at all.

    PURE INSANITY If ya can't stop,Smile as you go under!
    86 blazer see it at:<A target="_blank" HREF=http://www.zing.com/album/pictures.html?id=4292792569>http://www.zing.com/album/pictures.html?id=4292792569</A>
     
  4. 90blzr

    90blzr 1/2 ton status

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    Re: Tranny Gurus PLEASE HELP!

    Dude I feel for ya!! Dont have an answer but its nice to know I'm not the only one with bad luck!! Anyways hope you get that beast back on the road real soon, I WANT ACTION PICS!! (and pulling the tranny doesnt count! Sorry.)
     
  5. Pure Insanity

    Pure Insanity 1/2 ton status

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    Re: Tranny Gurus PLEASE HELP!

    YOU want action pics. I want ACTION!!!! It looks real good sittin in my driveway,I wanna see it mud covered!! Everyone thats heard it run is impressed,the ones that have seen it go are real impressed since its takin off in 2nd gear w/ 38's and 3:08 gears!(havent got the 4:88's in yet)

    PURE INSANITY If ya can't stop,Smile as you go under!
    86 blazer see it at:<A target="_blank" HREF=http://www.zing.com/album/pictures.html?id=4292792569>http://www.zing.com/album/pictures.html?id=4292792569</A>
     
  6. Grim-Reaper

    Grim-Reaper 3/4 ton status Author

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    Re: Tranny Gurus PLEASE HELP!

    Sounds like maybe he has a check ball in the worng place and it's hitting reverse and 1st at the same time. That our you got a linkage problem or the valve body has something stuck. Maybe the valve body is warped and not sealing. Tow the truck to the guy and let him fix it.
    Christ I rebuilt a tranny and didn't have any sort of problem. been in the truck 2 years and dragged a car home 150 miles last month.

    Diging it in the dirt with my K5's
    Grim-Reaper
    <A target="_blank" HREF=http://grimsk5s.coloradok5.com/>http://grimsk5s.coloradok5.com/</A>
     
  7. Pure Insanity

    Pure Insanity 1/2 ton status

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    Re: Tranny Gurus PLEASE HELP!

    HELL I can DRIVE it to his house it goes down the road fine,just no 1st gear. When it locks up it locks up TIGHT! I gassed it to see what happened and it tries to move but wont. I didnt wanna push my luck so I just let it go. I put it in reverse and goosed it to see if it was hangin in rev too and it damn near broke the tires loose. If I had really gotten down on it I'm pretty sure it would have. I'm just baffled at this point.

    PURE INSANITY If ya can't stop,Smile as you go under!
    86 blazer see it at:<A target="_blank" HREF=http://www.zing.com/album/pictures.html?id=4292792569>http://www.zing.com/album/pictures.html?id=4292792569</A>
     
  8. xtreme_wlr

    xtreme_wlr 1/2 ton status

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    Re: Tranny Gurus PLEASE HELP!

    Man, do I love my SM465 :) !! It really sux yur having problems tho. Just one of the reasons I wont put an auto in my truck :)

    78 Chevy 1 ton Stepside RockCrawler
    468 BB, SM465, NP205
    D60 front, GM 14Bolt w/ Detroit
    <A target="_blank" HREF=http://www.bowtiecrawler.com>http://www.bowtiecrawler.com</A>
     
  9. Pure Insanity

    Pure Insanity 1/2 ton status

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    Re: Tranny Gurus PLEASE HELP!

    I'm really startin to think I wanna row my own. I've never even HEARD of a bad luck tranny story like mine.

    PURE INSANITY If ya can't stop,Smile as you go under!
    86 blazer see it at:<A target="_blank" HREF=http://www.zing.com/album/pictures.html?id=4292792569>http://www.zing.com/album/pictures.html?id=4292792569</A>
     
  10. tRustyK5

    tRustyK5 Big meanie Staff Member Super Moderator GMOTM Winner Author

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    Re: Tranny Gurus PLEASE HELP!

    OK Steve...I did some reading. I got a book here called the TH350 handbook by Ron Sessions. There is a large troublshooting area.
    I found "Locks up in manual low-L1-usually hot only"

    He lists 3 possibilties

    1)Stator shaft mis-alignment...Remove transmission and front pump. Check for improperly installed stator shaft in stator support. Perform stator shaft index check. Press out stator shaft and align with hole in support as necessary, or replace pump cover assembly.


    2)Direct clutch malfunction...Remove and disassemble transmission. Check for undersize dierct-clutch-piston bore or oversize piston. Also check for restricted or missing direct clutch oil feed in small chamber.


    3)Low-Reverse clutch malfunction...Remove and disassemble transmission. Check for cut or missing low/reverse clutch-piston center seal.

    I'll keep looking for more info...I'm no guru but this book seems chock full of good info.

    Rene

    Unfortunately all three require removal of the tranny to fix...



    <font color=green>Dyslexics of the world...UNTIE!</font color=green>
     
  11. Pure Insanity

    Pure Insanity 1/2 ton status

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    Re: Tranny Gurus PLEASE HELP!

    THANX Rene! But heres the weird part,it was stone cold. I was pulling on the header collector, to pull myself up while i was under it, before it did this. I fired it up and drove maybe 30 feet. I'm lost.

    PURE INSANITY If ya can't stop,Smile as you go under!
    86 blazer see it at:<A target="_blank" HREF=http://www.zing.com/album/pictures.html?id=4292792569>http://www.zing.com/album/pictures.html?id=4292792569</A>
     
  12. tRustyK5

    tRustyK5 Big meanie Staff Member Super Moderator GMOTM Winner Author

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    Re: Tranny Gurus PLEASE HELP!

    Here's another...

    Starts in second gear...

    Possible cause---Intermediate clutch malfunction.

    Remove transmission, remove front pump. Check for incorrect number of clutch plates. Also check for cracked intermediate servo piston.

    Rene...Have I mentioned that I have a perfectly good TH350 for sale?[​IMG][​IMG]

    <font color=green>Dyslexics of the world...UNTIE!</font color=green>
     
  13. Pure Insanity

    Pure Insanity 1/2 ton status

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    Re: Tranny Gurus PLEASE HELP!

    OK! I got a new TH350 last nite at 10:30 last nite. Got ahold of the tranny guy this afternoon and all is good I'm taking him the new tranny later today or tommow after work and he will rebuild it ETC. When it's ready I'll drive to his house and change the trannys out. He has a driveon lift at home and i never realized it was mobile.so we will push it outside and put the blazer up. (it wont fit in his shop) I just need to make sure its not too wide to go on a driveon rack. (I think it is)[​IMG] So if thats the case we'll do it at my dads shop. Prob do it at dads shop so I dont have to drive it on a bad tranny 20 miles. It would be my luck it'll puke out 1/2 way there!! So the saga continues. He said if i didnt get a new tranny he wouldnt bother cuz theres gotta be somethin wrong w/ the case itself. Now a kwik question, the tranny I've got for it is out of a 4x4 w/ a 203, should i tell him I need the tailshaft back for a 205 upgrade or tell him to toss the shaft. I've got a long shaft thats been cut down and a 3-4" spacer between the tranny and t-case in the truck now,so I'll need the same set up in the new one. Is the 203 and 205 tailshafts the same or different??

    PURE INSANITY If ya can't stop,Smile as you go under!
    86 blazer see it at:<A target="_blank" HREF=http://www.zing.com/album/pictures.html?id=4292792569>http://www.zing.com/album/pictures.html?id=4292792569</A>
     
  14. Pure Insanity

    Pure Insanity 1/2 ton status

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    Re: Tranny Gurus PLEASE HELP!

    BTW my sense of humor is comin back regarding this tranny SNAFU. ( Its not funny anymore but at least I'm not pissed now.)

    PURE INSANITY If ya can't stop,Smile as you go under!
    86 blazer see it at:<A target="_blank" HREF=http://www.zing.com/album/pictures.html?id=4292792569>http://www.zing.com/album/pictures.html?id=4292792569</A>
     

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