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Old 09-15-2011, 10:33 AM   #1
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Join Date: Sep 2011
Posts: 27
D15z1 vibrations, frustration running high

Here goes,

Short of it is I just put a rebuilt engine (never ran before, got from salvage yard) in my vx and have a vibration that goes into the gear shift knob and the clutch pedal. Its a high frequency vibration that makes my foot feel tingly and hand numb and gets noticeable above 1500. Does no matter if pedal is pressed in with gear selected or in neutral. Just to rule out the trans, I took the transmission off to check flywheel run out (had resurfaced already), looked at the pressure plate fingers for evenness and clutch disc for high spots and release bearing for smoothness (all new components). Trans is freshly rebuilt and shifts smooth with new bearings.

I looked at the crank pulley and saw that it wobbles a few thousandths as well as the bolt. I placed a screwdriver on it while running and there is a noticeable lope. My question is, does this happen on all these motors?

I have not had a chance to get to the machine shop to have them look yet but have a bad feeling they will say its normal. I do not remember the clutch pedal vibrating with my old setup. Getting very frustrated at this point because I even paid extra for the shop to individually balance the complete rotating assembly. I just don't want premature bearing failure.

Need some feedback from VX owners. Thanks.
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