JCB External Coolant Leak

Coolant puddles under the generator or steam visible from the radiator area during operation.

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

Possible Causes

Perished coolant hose, Loose hose clamp, Radiator core leak, Failed water pump seal

Safety: Allow the engine to cool fully before touching any cooling components.

Identify leak source: Pressurize the cooling system with a hand pump (engine off) and inspect hoses, clamps, radiator, and water pump for drips.
Tighten or replace clamps: Tighten loose clamps. Replace any that are corroded or stripped.
Replace hoses: Fit new coolant hoses where rubber is soft, cracked, or swollen.
Radiator/water pump: If coolant seeps from the radiator core or water pump weep hole, replace the affected component.

Medium 3/5

Radiator Hose Set

Check Price on Amazon

We may earn a commission from links on this page.