A worn pilot bearing in the flywheel would to it as well. If the input shaft is misaligned because the clutch disk is off center, the gear will "walk" out of engagement.


Kevin
1951 Chevy 3100 work truck
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1929 Ford pickup restored from the ground up. | 1929 Ford Special Coupe (First car)
Busting rust since the mid-60's
If you're smart enough to take it apart, you darn well better be smart enough to put it back together.