# what would cause a pressure plate to crack?

**URL:** https://forums.speedlife.net/t/what-would-cause-a-pressure-plate-to-crack/37836
**Category:** NYSpeed Automotive
**Created:** [October 29, 2007, 3:54pm UTC](https://forums.speedlife.net/t/what-would-cause-a-pressure-plate-to-crack/37836 "2007-10-29T15:54:57Z")
**Posts on this page:** 1
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### Author: ![HYBOOST](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/hyboost/32/5088_2.png) [@HYBOOST](https://forums.speedlife.net/u/HYBOOST)
#### Post date: [November 21, 2007, 2:06pm UTC](https://forums.speedlife.net/t/what-would-cause-a-pressure-plate-to-crack/37836/2 "2007-11-21T14:06:08Z")

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I ran into that on customers vehicles a couple times. Ended up engine was missing alignment dowl pin (s). Installed new pins, problem solved.

Other things that could cause this, excessive vibration due to bad motor / tranny mounts, improper or sticking t/o bearing.

Incorrect, worn, non lubricated pilot bushing / bearing.  
Worn input shaft @ pilot bearing.

Good luck.

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