leak Troubleshooting

Water leaking from pump on the Bosch AdvancedAquatak 140

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 Bosch AdvancedAquatak 140

Bosch AdvancedAquatak 140 Replacement Nozzle Bosch AdvancedAquatak 140 Spray Gun Bosch AdvancedAquatak 140 High-Pressure Hose Bosch AdvancedAquatak 140 Pump Oil Bosch AdvancedAquatak 140 Pump Seal Kit Bosch AdvancedAquatak 140 Water Inlet Filter

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