Quick updtae, this is the e-mail Keisler send me. I want to thank them for helping me out. I do have to pay for the parts, which is not much, but they took care of the issues we had.
Mike:
As per our conversation a few minutes ago, here is an e-mail giving you the issues we found wrong in your transmission. The main issue was whoever switched the front retainer to the modified retainer, in order to run the hydraulic clutch, forgot to re-install the input shaft shims. When you pull off the retainer, the input bearing race and the shims will come out with it. There would have been anywhere from 1 to 4 shims ranging in size from .010” to .040”, pre-loading the input. Without the shims, shifting would have been difficult at best and the noise created would have driven you crazy.
Because the shims were missing, there was no load on the input which keeps everything “tight”. Without them, the engagement when shifting was VERY loose and caused damage to input shaft, race and shift fork pads.
There is also strong evidence that the bell housing run out was not performed, or if it was, it was not within spec. The tip of the input shaft that goes into the pilot bearing was glazed over in an uneven pattern. This is caused by the input shaft not being perpendicular to the back of the crank. In other words, the input was going in at an angle into the pilot bearing and crank.
We replaced the input shaft, input shaft bearing and race assembly and all 9 shift fork pads. We bench tested and leak tested it and everything shifts like butter now. It held pressure at 8.1lbs for 62 seconds which is 2lbs over standard and 30 seconds beyond spec(basically that means it passed with flying colors). I have also included 2 new pilot bearings at no cost as we need you to replace the pilot bearing in the crank. When you remove it, please inspect it for damage like I described and let me know what you find. You will also need to perform the bell housing run out procedure again and call me with the numbers so I can make sure we are within spec.
Brian Hobaugh SCCA National Tour June 2014
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