LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

95 z28 Pilot bearing crank damaged? (See picture below)

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Old Jul 18, 2019 | 12:16 PM
  #1  
Sidewyz28's Avatar
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95 z28 Pilot bearing crank damaged? (See picture below)

Replacing clutch on my 95 z28 about to install new pilot bearing (haven’t taken out the old one yet) & it looks like the crank race (bore) whatever you want to call it is damaged? How screwed am I? Will this be an issue or can I install the new pilot bearing?
Quick responses please! Any input is appreciated !!!!

Old Jul 18, 2019 | 02:41 PM
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Re: 95 z28 Pilot bearing crank damaged? (See picture below)


Use a blind hole puller to remove the old, really FU, bearing and install a new one. Looks like someone use all the wrong tools trying to remove or install the one that is there.

Is the tip of the trans all FU and scored?

use some emery cloth on it to smooth it out

You want this tool. Loaner from autozone #27128
Old Jul 18, 2019 | 04:43 PM
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Re: 95 z28 Pilot bearing crank damaged? (See picture below)

Originally Posted by Chimera96

Use a blind hole puller to remove the old, really FU, bearing and install a new one. Looks like someone use all the wrong tools trying to remove or install the one that is there.

Is the tip of the trans all FU and scored?

use some emery cloth on it to smooth it out

You want this tool. Loaner from autozone #27128

The transmission is fine, would I need to use a Dremel or just sand it down by hand?
Old Jul 19, 2019 | 12:44 AM
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Re: 95 z28 Pilot bearing crank damaged? (See picture below)

Originally Posted by Sidewyz28
, would I need to use a Dremel or just sand it down by hand?
??, it talking about the tip of trans input shaft, just use emery cloth by hand
Old Jul 19, 2019 | 12:57 PM
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Re: 95 z28 Pilot bearing crank damaged? (See picture below)

Originally Posted by Chimera96
??, it talking about the tip of trans input shaft, just use emery cloth by hand
I said the transmission is fine referring to the end of the input shaft & thanks hopefully that does the trick thanks for your input
Old Jul 19, 2019 | 01:56 PM
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Re: 95 z28 Pilot bearing crank damaged? (See picture below)

Then what do you want to “.....Dremel or..... sand down”?
Old Jul 19, 2019 | 02:03 PM
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Re: 95 z28 Pilot bearing crank damaged? (See picture below)

Originally Posted by Injuneer
Then what do you want to “.....Dremel or..... sand down”?
on the actual bore where the new pilot bearing is going to go (basically where it is damaged/knicked) as shown in the pictures
Old Jul 19, 2019 | 02:58 PM
  #8  
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Re: 95 z28 Pilot bearing crank damaged? (See picture below)

You just need to make sure there is no metal edge or burr protecting past the inside diameter of the bore in the crank... in such a way that it would interfere with the outside diameter of the bearing, when it is pushed into the crank hole. Ditto with any burr or deformity that is projecting rearward, beyond the flat surface surrounding the crank bore. I wouldn’t remove any metal beyond those limits. Light application of emery cloth, as mentioned.
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