AUTOOL AST618 12V Vehicles Pulsating Brake Oil Exchanger Four Clutch Slave Cylinders Automotive Brake System Tools
AUTOOL AST618 Pulsating Brake Fluid Exchanger uses a microcontroller to precisely manage brake fluid pressure, flow, and working time. It is highly automated and can be easily operated by one person. It is easy to use, time-saving, and labor-saving.
- How To Adjust Working Pressure Correctly?
- When the device is out of the factory, the working pressure of the pressure regulator is set to 1~1.5 bar, to ensure that the liquid storage chamber does not deform while changing liquid, thereby ensuring the tightness of the secondary sealing ring.
- In addition, it is also feasible to exhaust or change the liquid at a lower working pressure by adjusting the pressure and the size switch.
In special circumstances, while operating under a higher working pressure, be aware of the excessive pressure adjustment, which may damage the brake master cylinder of the brake system. - Please check each connection if there is any leak when changing the oil, and whether the connecting hose is damaged, to keep the new oil filler port clean.
What Is The Difference Between Brake Oil Exchanger Tool?

AUTOOL AST618 Brake Fluid Exchange Features:
- Four Wheels Oil Can Be Exchanged Simultaneously: Working pulse, working pressure, and working time can be adjusted. The configuration of the pressure gauge and digital display meter can easily observe the working parameters.
- Considerate Design Details: AUTOOL AST618 does not need to exhaust the air in advance, the suction pipe can separate the moisture in the air, avoid mixing with the oil, and ensure the quality of the oil.
- Stainless Steel Large-Capacity Oil Pot Design: Oil pot volume 3L Corrosion-resistant,collision-resistant, and durable.
- Wide Application: Equipped with 15 different types of adapters and toolboxes, suitable for various car models in Europe, America, Asia, etc.
- Three-Year Warranty, Lifetime Maintenance: For damage caused by non-human factors, AUTOOL promises to resend parts for free within 3 years. If you have any problems, please contact us, and we will respond within 24 hours!
How To Use AUTOOL AST618 Vehicles Pulsating Brake Oil Exchanger?
- Note: No need to start the vehicle for the operation.
- Step 1: Raise the car to a suitable height so the drive wheels are not on the ground.
- Step 2: Connect the device’s four oil ports to the car’s brake cylinder. Then, loosen the exhaust screw on the brake cylinder to allow the oil to flow out.
- Step 3: Pour 5 liters of new brake fluid into the equipment’s fuel filler port. Then, find the matching connector to connect to the brake master cylinder’s fuel filler.
- Step 4: Connect to 12V car power and turn on the power switch button.
- Step 5: Press the Vacuum Switch button.
- Step 6: Press the Fuel Switch button to change the brake fluid.
- Step 7: During the oil changing process, look at the car brake oil tank mouth, if the refueling is too slow, press the acceleration switch button on the device to accelerate refueling; if it’s too fast, press the deceleration switch button to slow down.
- Step 8: After the oil change, drain the used oil from the equipment’s tank completely. If not fully emptied, it can damage the vacuum pump and prevent further oil change operations.







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