no-pressure Troubleshooting

No / low pressure on the Nilfisk C 135.7

Source: Bosch support — power tool troubleshooting Confidence: 85% Verified Aug 9, 2026

The washer runs but produces little or no pressure, often from a blocked nozzle, air in the pump or a worn pump seal.

How to fix No / low pressure

Bleed air from the pump

Run the washer with the gun open and no nozzle until water flows steadily, then reattach the nozzle.

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

Difficulty: ★ Est. 5 min

Clean the nozzle

Remove and clean the nozzle to clear any blockage.

Source: Bosch support — power tool troubleshooting Confidence: 85% Verified Aug 9, 2026

Difficulty: ★ Est. 5 min

Parts needed: Nilfisk C135.7 Nozzle

Purge the air

Run the pressure washer with the trigger open to purge air from the system.

Source: Bosch support — power tool troubleshooting Confidence: 85% Verified Aug 9, 2026

Difficulty: ★ Est. 3 min

Replacement parts for the Nilfisk C 135.7

Nilfisk C135.7 Nozzle Nilfisk C 135.7 Pump Oil Nilfisk C 135.7 Pump Seal Kit Nilfisk C 135.7 Water Inlet Filter Nilfisk C135.7 Spray Gun Nilfisk C135.7 High-Pressure Hose Nilfisk C135.7 O-Ring Set Nilfisk C135.7 Detergent

← All Nilfisk C 135.7 error codes

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