TwinTurbo.NET: Nissan 300ZX forum - Whine in all gears, tranny shot?
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Subject Whine in all gears, tranny shot?
     
Posted by arrowenterprises on June 23, 2012 at 9:34 AM
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Message I'll explain the title. I did some searching and know some possibilities exist. My situation seems a little different than search shows. Timeline:

New 5 puck clutch installed within last 2-3 Weeks. New throwout bearing, heavy duty fork, pivot ball, slave, clutch fluid, resurfaced lightweight flywheel. Drove through break in period. Week or two ago noticed vibration in gas pedal and steering wheel (basically front end of car) about 62-65mph. Wait and see. Went to track two nights ago, ran two eighth mile passes. Clutch past break in period. Since then, noticed #1: high pitch whine in gears 1-4 under acceleration, stops after load is released. Also feel vibration at lower speeds now too but less apparent.

This whine sounds like a mini supercharger when accelerating. Most previous posts on this did not mention they're clutch was freshly installed. My gut tells me input shaft bearing or throwout bearing, even though TB is new. Would either of these cause vibration? Is the whine a tranny getting ready to puke and just coincidence with the clutch install? Any help is always appreciated.

Clutch: SZ high 5 Flywheel: SZ lightweight Tranny: OEM five speed, short throw shifter Rear end: original OEM. Mileage: 140k on chassis, tranny, rear end. Front suspension: all upgraded Powertrix

     
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