leak Troubleshooting

Water leaking from pump on the Kärcher K 5 Premium

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 Kärcher K 5 Premium

Kärcher K 5 Premium Pump Oil Kärcher K 5 Premium Pump Seal Kit Kärcher K 5 Premium Water Inlet Filter Kärcher K5Premium Nozzle Kärcher K5Premium High-Pressure Hose Kärcher K5Premium Spray Gun Kärcher K5Premium O-Ring Set Kärcher K5Premium Detergent

← All Kärcher K 5 Premium error codes

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