H E L P!!! Transmission not engaging drive or reverse. Linkage or rebuild???

Discussion in 'The "Juice Box"' started by James71, Mar 22, 2016.

  1. James71

    James71 New Member

    When I try to put my 1971 Skylark custom Th350 133k miles in gear nothing happens? it does not enguage..If I keep going through gears (drive neutral reverse) it will go into gear.. Is this a linkage problem or do I need a rebuild?
     

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  2. buick64203

    buick64203 Just plum crazy Staff Member

    When it goes into gear, does it drive normally? When you move the shifter, nothing happens at all? As if it were in neutral?
     
  3. James71

    James71 New Member

    yes it drives nomally once I get it in gear..But when I move the shifter from park to reverse or drive it doesn't enguage /nothing happens just like it is not in gear..after a few tries it will go into gear..What do u think???
     
  4. LARRY70GS

    LARRY70GS a.k.a. "THE WIZARD" Staff Member

    Fluid check, engine running, in Park? Crawl under the car and check for anything obvious like loose/damaged linkage. I would then drop the pan and check/change the filter.
     
  5. James71

    James71 New Member

    Thanks Larry70GS!..The fluid level is good. I will crawl under the car and see if I can see anything later. I am trying to do as much as I can before I bring it down to a transmission shop. 2 of the 3 shops I talked to already gave me hard sell on rebuilding the trans.
     
  6. TexasJohn55

    TexasJohn55 Well-Known Member

    Sounds like converter drainback. Check fluid running in park, shut it off and mark fluid level on stick or measure distance from "Full" mark after it has set a few minutes. Use this as a reference. Let it set overnight and check fluid level before cranking up. If it is way high from previous reference mark and it doesn't respond when dropped in gear, it was drainback. It just takes awhile to pump up again and refill converter and bleed air out everywhere.
     
  7. jalopi42

    jalopi42 Don't Wait

    the fix doesn't sound good or would parking downhill help???
     
  8. TexasJohn55

    TexasJohn55 Well-Known Member

    Not a fix but maybe a diagnosis.
     
  9. James71

    James71 New Member

    Thanks TexasJohn55! I will check fluid levels when car is hot and cold and update post tomorrow/this weekend...
     
  10. 12.0 wagon

    12.0 wagon Grocerys optional

    I experienced something similar today . Car wouldn't move from trailer no gears after 5-10 minutes and car warmed up got back gears and raced all day no problems. Can you please explain converter drain back and possible causes and corrections. Thanks Bret
     
  11. LARRY70GS

    LARRY70GS a.k.a. "THE WIZARD" Staff Member

    I believe a certain amount of drain back is normal, but the front pump should fill the converter instantly upon engine restart. I would expect a front pump problem or some kind of cross leak is involved. In any case, not an easy fix.
     
  12. Geoemojr

    Geoemojr Guest

    What if his linkage is loose down by tranny where u adjust it with bolt.
     

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