WHEEL-GRINDING 1U6824 - Caterpillar

Probable Causes
The connector for the signal line is detached or the connector is leaking.
The vehicle is not filled on a level surface and the vent is in an upward direction.
The float is stuck or disengaged.
Fuel leaked or spilled onto hot surfaces or electrical components can cause a fire.Turn the disconnect switch OFF when draining and/or removing any fuel system components.
Recommended Actions
The Connector For The Signal Line Is Detached Or The Connector Is Leaking
Check the connection for the signal line at the shutoff valve and the inlet valve. Make sure that the signal line, the shutoff valve, and the housings for the float are not damaged.Refer to the appropriate module for your machine for the correct torque specifications.The Vehicle Is Not Filled On A Surface That Is Level And The Vent Is In An Upward Direction
Fill the vehicle on a level surface with the vehicle at less than a 4 degree angle.The Float Is Stuck Or Disengaged
Ensure that the float is fastened to the rod that holds the float with two retainer clips.