Knocking after installing new flywheel

[Tom Endy]

If the clutch surface on the flywheel has been resurfaced a number of times it puts the surface closer to the flywheel mounting bolts. If excessive the springs in the clutch disk could be contacting the heads of the bolts.

It is also prudent to have the pressure plate mounting surface on the flywheel machined at the same time the clutch surface is machined to restore the factory distance specification which is 1.123".

Another possibility: if you had the starter off and was reinstalled with incorrect bolts (too long), the flywheel will contact them.

When you push the clutch in the flywheel can move forward slightly depending on the condition of the thrust washer on the crank.

Tom Endy