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<blockquote data-quote="SCGallo2" data-source="post: 16442163" data-attributes="member: 160791"><p>Whether it is drivetrain or suspension noise, it does not sound normal. I recently replaced my clutch assembly, so the transmission removal and install are fresh in my mind. Were the transmission alignment dowels still engaged in the transmission housing, or was the transmission slid back when your jack failed? If your transmission input shaft was partially seated in the pilot bearing when your jack failed, I do not see how you would have not damaged the pilot bearing. If the input shaft was fully removed from the pilot bearing, then your clutch discs and/or clutch diaphragm spring fingers would have supported the full weight of the transmission. I do not see how it is possible that you did not at least tweak something out of shape or alignment inside the clutch assembly. You should have continued removing the transmission, at least to inspect the clutch assembly.</p><p></p><p>Have you tried this?</p><p>- Engine ON at idle, transmission in Neutral</p><p>- Press clutch pedal in… does it clack?</p><p>- Release clutch pedal… does it clack?</p><p></p><p>If the sound is present while cycling the clutch pedal with the transmission in Neutral, then you can rule out the driveshaft and suspension.</p><p></p><p>Spherical bearings transmit NVH and even good ones make noise. I have always had a little gear slop in the differential resulting in some occasional clunking from the rear end when loading and unloading the driveline. It was more apparent when I installed poly suspension bushings, and even more so now with spherical bearing rod end LCAs; however, I was expecting it and it is still tolerable to me for my application.</p></blockquote><p></p>
[QUOTE="SCGallo2, post: 16442163, member: 160791"] Whether it is drivetrain or suspension noise, it does not sound normal. I recently replaced my clutch assembly, so the transmission removal and install are fresh in my mind. Were the transmission alignment dowels still engaged in the transmission housing, or was the transmission slid back when your jack failed? If your transmission input shaft was partially seated in the pilot bearing when your jack failed, I do not see how you would have not damaged the pilot bearing. If the input shaft was fully removed from the pilot bearing, then your clutch discs and/or clutch diaphragm spring fingers would have supported the full weight of the transmission. I do not see how it is possible that you did not at least tweak something out of shape or alignment inside the clutch assembly. You should have continued removing the transmission, at least to inspect the clutch assembly. Have you tried this? - Engine ON at idle, transmission in Neutral - Press clutch pedal in… does it clack? - Release clutch pedal… does it clack? If the sound is present while cycling the clutch pedal with the transmission in Neutral, then you can rule out the driveshaft and suspension. Spherical bearings transmit NVH and even good ones make noise. I have always had a little gear slop in the differential resulting in some occasional clunking from the rear end when loading and unloading the driveline. It was more apparent when I installed poly suspension bushings, and even more so now with spherical bearing rod end LCAs; however, I was expecting it and it is still tolerable to me for my application. [/QUOTE]
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