Low whining sound from undercarriage

[ZR11974]

Originally Posted by Dynomite

The Pilot and Engine both rotate at same speed whenever Flywheel is Engaged with Transmission. It is only when depressing Clutch Pedal and shifting that the Pilot Bearing is spinning within the Flywheel/Crankshaft.

Some links related to the Pilot Bushing and repair.

TRANSMISSION
Post 35 - Pilot Bearing
Post 36 - ZR-1 Transmission Install and Lift Tricks
Post 37 - Vibration Issues Diagnosis
Post 38 - Throwout Bearings and Clutch Forks
Post 39 - C4 Beam Plates and Installation

Dynomite,
Thanks so much for helping me start my research. I love learning more about these cars!
I appreciate your efforts, my friend.

Geoff
'90 #2591