leak Troubleshooting

Water leaking from pump on the Nilfisk C 135.7

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 Nilfisk C 135.7

Nilfisk C 135.7 Replacement Nozzle Nilfisk C 135.7 Spray Gun Nilfisk C 135.7 High-Pressure Hose Nilfisk C 135.7 Pump Oil Nilfisk C 135.7 Pump Seal Kit Nilfisk C 135.7 Water Inlet Filter

← All Nilfisk C 135.7 error codes

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