Probable Cause:
1. Broken Valve Spring(s)
Make replacement of parts with damage.
2. Broken Camshaft
Make replacement of parts with damage. Clean engine thoroughly.
3. Broken Timing Advance Gear
Make replacement of timing advance unit.
Caterpillar Engines Troubleshooting
Cat Engines Maintenance & Repair Guides
Probable Cause:
1. Broken Valve Spring(s)
Make replacement of parts with damage.
2. Broken Camshaft
Make replacement of parts with damage. Clean engine thoroughly.
3. Broken Timing Advance Gear
Make replacement of timing advance unit.