Auburn 680- Sleeve Inside Throw-Out Bearing

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13 Feb 2020 01:58 #39491 by IndycarBruce
Auburn 680- Sleeve Inside Throw-Out Bearing was created by IndycarBruce
Sorry guys. I'm restoring my car from the ground up, so I'll be asking a lot of questions. I was looking at my throw-out bearing this afternoon, which I will replace. It's currently frozen/seized to an aluminum sleeve that goes over the input shaft of the transmission. I didn't think much about it until I noticed the rear end of the sleeve appears to have broken off from another piece.

I looked at the transmission and sure enough, there's a flange bolted to the front, through which the input shaft goes. It appears to be the same material as the sleeve and I'm convinced they used to be one piece.

I assume the throw-out bearing is supposed to slide freely lengthwise along the sleeve but it must have become seized and then the sleeve twisted off of the flange.

I don't know why this part is aluminum (it's not magnetic).

Is there a cast iron or steel replacement part?

Thanks,

Bruce Wolfe

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13 Feb 2020 02:54 #39493 by IndycarBruce
Replied by IndycarBruce on topic Auburn 680- Sleeve Inside Throw-Out Bearing
I looked at my Parts List. The part is called the Main Drive Gear Bearing Retainer.

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14 Feb 2020 17:10 #39503 by auburnandyscar
Replied by auburnandyscar on topic Auburn 680- Sleeve Inside Throw-Out Bearing
You are correct, it's called a "bearing retainer" you will be time and money ahead by having a new one made, ( they are pretty simple)

Check out my build at:
www.1932auburnsedan.com

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