Severe whobble of flexplate and torque converter!

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Old Aug 27, 2023 | 04:22 PM
  #1  
Max-59OldsRocket's Avatar
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From: Oranienburg, Germany
Unhappy Severe whobble of flexplate and torque converter!

Hey there!

I've got a '59 Oldsmobile Rocket Ninety Eight and I love it! That Olds got imported to Germany back in 2015 and I got it in September 2021. To me, it's the most beautiful car in the world, but there is something that worries me very much! The flexplate and torque converter whobble really bad! I don't know what the cause is, but I'm very sure that I'll have to disconnect the transmission from the engine and find the problem.

I've made a video and I uploaded it here and on YouTube, just in case the video might not work here:

What do you think about that? Should I worry about it or is that normal?

Greetings from Oranienburg, Germany! :-)
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whobble.mpeg (19.52 MB, 2 views)
Old Aug 27, 2023 | 05:24 PM
  #2  
oldcutlass's Avatar
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From: Poteau, Ok
If you’re not getting any strange noises and starter grinding I would not worry about it.
Old Aug 27, 2023 | 07:13 PM
  #3  
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From: West Hartford, CT
I’m chasing an inconsistent and noisy starter in my El Camino that isn’t due to tooth clearance, just measured it this morning and it has flex plate/ring gear runout that spans .050”. Waaay worse than yours. I wouldn’t worry at all about what you have there, even if I wasn’t diagnosing what I have, my opinion would be to reinstall cover and ignore it, IMO, that’s not even approaching severe, I’d consider it pretty normal.

​​​​​​….

Last edited by bccan; Aug 27, 2023 at 07:15 PM.
Old Aug 27, 2023 | 07:18 PM
  #4  
Rallye469's Avatar
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From: Jacksonville, FL
Looks perfectly fine to me.
Not reason to worry.
Old Aug 27, 2023 | 08:01 PM
  #5  
gs72's Avatar
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Joined: Jul 2011
Posts: 1,201
From: Bakersfield, CA
My dad used to call something like that, picking the pepper out of the fly ****. It looks normal to me. I agree with the other post. If you can’t feel it and it is starting normally. Don’t worry about it.
Old Aug 27, 2023 | 08:10 PM
  #6  
Vintage Chief's Avatar
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You're sitting at idle under no load. When it spins up under load any movement you currently witness at idle under no load will be gone. You're fine.
Old Aug 28, 2023 | 10:07 PM
  #7  
OLDSter Ralph's Avatar
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From: St. Paul Minnesota
Originally Posted by Max-59OldsRocket
Hey there!
I've got a '59 Oldsmobile Rocket Ninety Eight and I love it! That Olds got imported to Germany back in 2015 and I got it in September 2021. To me, it's the most beautiful car in the world, but there is something that worries me very much! The flexplate and torque converter whobble really bad! I don't know what the cause is, but I'm very sure that I'll have to disconnect the transmission from the engine and find the problem.
I've made a video and I uploaded it here and on YouTube, just in case the video might not work here: https://www.youtube.com/watch?v=sGTiZ8CZtWs

What do you think about that? Should I worry about it or is that normal?

Greetings from Oranienburg, Germany! :-)
If you have a 1959 Oldsmobile, you have a "Dual coupling transmission". Its a bit different than newer GM transmissions. Yours looks to be fine.
https://www.google.com/search?client...M&vssid=l&ip=1
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