You'll never guess what I broke today
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Northstar Engines and System Technical Discussion Discussion, You'll never guess what I broke today in Cadillac Engine Technical Discussion; I was messing around, following my friend in his Subaru WRX. He gassed it, so I played along and gassed ...
  1. #1
    Krashed989's Avatar
    Krashed989 is offline Cadillac Owners Connoisseur
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    You'll never guess what I broke today

    I was messing around, following my friend in his Subaru WRX. He gassed it, so I played along and gassed it also, just to keep up. Well we get to a hill and all of a sudden the engine breaks free from the transmission. The revs go all the way up but it feels like the car is in neutral. So I pull over and we tow the car to the college auto shop. I removed the inspection plate covering the bottom of the bellhousing of the tranny and found that I apparently ripped my flex plate. I could turn it with my pinky because it was only attached to the torque converter.

    So now the cradle is out, and I need to pull the engine off of it to take whats left of the flex plate off and repair the damages.

    Pictures to come!

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  3. #2
    drewsdeville is offline Cadillac Owners Master
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    Re: You'll never guess what I broke today

    Um...


    WOW!?!?!?


    Never heard of this happening on ANY regular car (non-racing application).

    Lots of oddball situations popping up on this forum lately...

  4. #3
    Submariner409's Avatar
    Submariner409 is offline If it won't run, stick on fender vents
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    Re: You'll never guess what I broke today

    Hmmmmmmm.......If you could turn the flexplate through the inspection port - was that by spinning the starter gear ring ? If that's the case, then the flexplate is still attached to the torque converter and not connected to the crankshaft hub. Curious.

    (Yep, you said that........weird, nonetheless. I sure hope the crank is OK.)

  5. #4
    tateos's Avatar
    tateos is offline Cadillac Owners Connoisseur
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    Re: You'll never guess what I broke today

    My sister had a flexplate that broke - I think. The starter would turn the flexplate, but not the crankshaft - that sounds like the same as yours. Hers failed very shortly after she had the transaxle rebuilt - it was a '81 Pontiac Phoenix 4 cylinder - 82 HP if I remember correctly. It was originally my car - I bought it new. It was actually a pretty good car in it's day - I drove it >100K miles, and then my sister drove it another ~50K miles. I think they somehow damaged the flexplate when they replaced the transaxle - soon after, it cracked - that was the final blow - my sister called the junkman after that.

  6. #5
    Krashed989's Avatar
    Krashed989 is offline Cadillac Owners Connoisseur
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    Re: You'll never guess what I broke today

    Here's some pics:














    I was amazed at how cleanly it it was cut. I was expecting some folded metal and carnage. But no, it had a nice clean disk cut out of it...

  7. #6
    Submariner409's Avatar
    Submariner409 is offline If it won't run, stick on fender vents
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    Re: You'll never guess what I broke today

    Damn !!!! That's weird - a flexplate that didn't. See what 1,000 hp will do to stock parts ???

  8. #7
    tateos's Avatar
    tateos is offline Cadillac Owners Connoisseur
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    Re: You'll never guess what I broke today

    Nice pics Krashed - thank you for that - we appreciate it

  9. #8
    jlegge007 is offline Cadillac Owners Member
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    Re: You'll never guess what I broke today

    Sorry bout your troubles. Thanks for the pics!

  10. #9
    codewize's Avatar
    codewize is offline Cadillac Owners Master
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    Re: You'll never guess what I broke today

    Great pics, that is so weird
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  11. #10
    STSS is offline Cadillac Owners Enthusiast
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    Re: You'll never guess what I broke today

    One word - WOW!

  12. #11
    tateos's Avatar
    tateos is offline Cadillac Owners Connoisseur
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    Re: You'll never guess what I broke today

    Krashed - this is the second or third time you have dropped the cradle on that beast - does it seem like it's getting easier at all?

  13. #12
    Ranger's Avatar
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    Re: You'll never guess what I broke today

    I didn't realize that, but I'd bet he can do it blindfolded and in half the time it first took him.

  14. #13
    zonie77 is offline Cadillac Owners Connoisseur
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    Re: You'll never guess what I broke today

    Not common but I'm sure we had that on the forum some time ago.

    I've seen them break on RWD cars, again, not common.

  15. #14
    94CaddyConcours's Avatar
    94CaddyConcours is offline Cadillac Owners Fanatic
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    Re: You'll never guess what I broke today

    Wow. Thanks for the pictures. Glad it didn't cause any other damage. Seem like an easy fix for you. Took you less than 3 hours?(going by the time stamp)
    Don't you think the flex plate are somewhat thin?

  16. #15
    Krashed989's Avatar
    Krashed989 is offline Cadillac Owners Connoisseur
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    Re: You'll never guess what I broke today

    Haha yeah it's getting easier and easier... it took me from 1:40pm to 5:40ish pm to drop the cradle this time, so about 4 hours. I have cuts and scrapes all over my hands from it though. I'm going to grab the flex plate from my donor car this weekend and then begin reassembly on monday. I'm just thankful I have some awesome friends that have been driving me around everywhere this past week.

    I'll take more pics as I go. Right now it's just taking up space over at the college, lol.

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