Descrizione
Bleeding brakes by pedal is a two-person job with a one-person failure mode. Someone pumps, someone cracks the nipple, and if the timing slips the reservoir drops and air goes back up the line you just cleared.
This is a five-litre pneumatic pressure bleeder, which removes the second person entirely. Fill the tank, charge it from shop air at 10 to 40 PSI, and the unit pushes fluid through the system at a steady rate while you work the nipples in sequence. The pressure is set at the regulator rather than generated by a foot, so the flow does not spike when someone gets impatient. Air consumption is 4.5 CFM at 30 PSI, which is inside the range of a small garage compressor.
The tank and fittings are steel, the inlet is a standard quarter-inch air connection, and the assembly handles brake and clutch circuits on cars and light commercial vehicles alike. It ships in red or green, in the five-litre size that covers a full fluid change on most passenger cars without a refill.
One person, one pressure setting, one pass down the line.
Why It Belongs In Your Kit
- ✦ Five-litre tank covers a complete brake fluid change on most passenger cars without refilling mid-job
- ✦ Adjustable working pressure from 10 to 40 PSI, set on the regulator instead of by a pedal
- ✦ Removes the second person from the job, which is where most bleed procedures go wrong
- ✦ Handles both brake and clutch hydraulic circuits on cars and light commercial vehicles
- ✦ Steel tank and fittings with a standard quarter-inch air inlet for an ordinary shop compressor
- ✦ Air consumption of 4.5 CFM at 30 PSI sits within the output of a small garage compressor
Technical Specifications
- Tank Capacity: 5 litres (1.3 gallons)
- Working Air Pressure: 10 to 40 PSI
- Air Consumption: 4.5 CFM at 30 PSI
- Air Inlet: 1/4 inch
- Material: Steel
- Application: Brake and clutch hydraulic bleeding
- Compatible Vehicles: Passenger cars and light commercial vehicles
- Pressure Control: Regulated shop air supply
- Colours: Red, Green
- Ships From: United States, United Kingdom, Germany, France, Spain, Poland, Czech Republic
Who Reaches For It
Independent garages doing fluid changes on a lift without a second technician, and home mechanics who would otherwise be shouting through a wheel arch at a family member. It is the right size for one vehicle at a time: the five-litre tank holds enough fluid for a full system flush on a passenger car, and the regulated pressure means the same unit can be turned down for a delicate clutch circuit.
Questions, Answered
Q: What compressor do I need to run it?
A: Any unit that can hold 30 PSI of regulated output and deliver around 4.5 CFM. That is within reach of a small garage or portable compressor, and the tank holds the pressure between cycles rather than demanding continuous flow.
Q: Is five litres enough for a full flush?
A: On most passenger cars, yes. The tank holds roughly 1.3 gallons, which covers a complete fluid change with margin. Larger commercial systems may need a top-up mid-procedure.
Q: Can it be used on a clutch circuit?
A: Yes. Working pressure is adjustable down to 10 PSI, which is the range needed for clutch hydraulics that would be damaged by full brake pressure.
Q: How is the pressure regulated?
A: At the air supply. You set the working pressure on the regulator between 10 and 40 PSI, and the unit then maintains flow at that setting instead of relying on someone modulating a pedal.
Q: Does it come with the adapter fittings?
A: The unit ships as a complete pressure bleeding kit with the tank, hose, and connection fittings for standard reservoir caps. Vehicle-specific master cylinder adapters are the one item worth checking against your model before ordering.
Q: Which colour should I pick?
A: It is cosmetic. Red shows less grime in a workshop, green is easier to spot at the back of a shelf. Both ship with identical hardware.
Q: Do I need to empty the system before pressurising?
A: No, and that is the point of pressure bleeding. The unit pushes new fluid through and displaces the old fluid and air ahead of it, out through the bleed nipples, so you top up the reservoir as it falls.
Q: How often should brake fluid be changed?
A: Most manufacturers specify every two years regardless of mileage, because fluid absorbs moisture over time and a wet system boils at a lower temperature. A pressure bleeder makes that interval inexpensive to keep.
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