leak Troubleshooting

Water leaking from pump on the Makita HW111

Source: ProductDB new-categories research catalog Confidence: 90% Verified Aug 8, 2026

Water leaks from the pump housing, usually from a worn seal or a loose fitting.

How to fix Water leaking from pump

Tighten fittings

Check and tighten all hose and pump fittings.

Source: ProductDB new-categories research catalog Confidence: 80% Verified Aug 8, 2026

Difficulty: ★ Est. 5 min

Replace the pump seal kit

If the leak persists, replace the pump seal kit following the service manual.

Source: ProductDB new-categories research catalog Confidence: 80% Verified Aug 8, 2026

Difficulty: ★★★ Est. 45 min

Replacement parts for the Makita HW111

Makita HW111 Replacement Nozzle Makita HW111 Spray Gun Makita HW111 High-Pressure Hose Makita HW111 Pump Oil Makita HW111 Pump Seal Kit Makita HW111 Water Inlet Filter

← All Makita HW111 error codes

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