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Loose Torque Converter

Discussion in 'Manual Transmission & Clutch' started by j_dog00, Aug 6, 2019.

  1. j_dog00

    j_dog00 Member

    Posts:
    30
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    7
    Joined:
    Jul 21, 2019
    Location:
    Dillon, Montana
    First Name:
    Jesse
    Truck Year:
    1980
    Truck Model:
    C10
    Engine Size:
    5.7l 350
    Sorry meant to post this in Auto Transmissions!!

    Hey guys' I'm a newb and do not know a ton about engines or transmissions. I have a 1980 c10 "big ten" 350 with a 4 speed auto.

    I've been having an issue with a loud, metallic knocking noise.I got a look yesterday and found that 2 out of the 3 torque converter to Flexplate bolts had snapped off, So basically the truck was running with 1 out if 3 bolts, causing it to wobble and cause the noise. Also the truck would act boggish in lower gears, and sometimes just randomly die as I came to a stop.

    Now I have 2 out of 3 bolts replaced, the last bolt is currently wedged and stuck.I'm working on replacing it..HOWEVER the issue now is the transmission will NOT ENGAGE period , in any gear when I start the engine. Everything is spinning but it will not engage at all..before it was shifting still even with 2 out of the 3 bolts gone..now nothing! Please help! What could this be?

    Did my TC and Flexplate separate?
    Has anyone else has this issue?

    Any input is greatly appreciated thank you guys for having this website!! :)
     
    Last edited: Aug 6, 2019
  2. Preston

    Preston Full Access Member

    Posts:
    696
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    320
    Joined:
    Jan 25, 2019
    Location:
    Mechanicsville VA
    First Name:
    Preston
    Truck Year:
    1983,1984,1985
    Truck Model:
    83 c3500 (3) 84 K10’s 85 silverado 68 c10 short bed stepside
    Engine Size:
    454 in 85 dually 5.7 LS in 84 350 in 85
    Welcome to GMSB from Virginia

    Sounds like something else has come loose good luck, help is on the way the GM SQUAREBODY GUYS will have some answers soon
     
  3. 78C10BigTen

    78C10BigTen Full Access Member

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    Joined:
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    Location:
    pennsylvannia
    First Name:
    ted
    Truck Year:
    1978
    Truck Model:
    C10 BIG TEN
    Engine Size:
    350
    Sounds like the converter may have broke the ears off.... meaning you would need to pull that trans and converter to see if it still has the ears on it. Also being a big ten owner myself id love to see pics of yours!!
     
  4. Preston

    Preston Full Access Member

    Posts:
    696
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    320
    Joined:
    Jan 25, 2019
    Location:
    Mechanicsville VA
    First Name:
    Preston
    Truck Year:
    1983,1984,1985
    Truck Model:
    83 c3500 (3) 84 K10’s 85 silverado 68 c10 short bed stepside
    Engine Size:
    454 in 85 dually 5.7 LS in 84 350 in 85
    X2 on pictures
     
  5. j_dog00

    j_dog00 Member

    Posts:
    30
    Likes Received:
    7
    Joined:
    Jul 21, 2019
    Location:
    Dillon, Montana
    First Name:
    Jesse
    Truck Year:
    1980
    Truck Model:
    C10
    Engine Size:
    5.7l 350
    Thanks guys! Pics coming tonight!
     
    78C10BigTen likes this.

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