Probable Cause:
1. Broken Locks
Broken locks can cause the valve to slide into the cylinder. This will cause much damage.
2. Broken Valve Spring(s)
Install new valve spring(s).
Caterpillar Engines Troubleshooting
Cat Engines Maintenance & Repair Guides
Probable Cause:
1. Broken Locks
Broken locks can cause the valve to slide into the cylinder. This will cause much damage.
2. Broken Valve Spring(s)
Install new valve spring(s).