The AUTOOL AST618 is a DC 12V pulsating brake oil exchanger designed for workshop brake and clutch fluid service. It uses pulse exchange technology to help remove old fluid and impurities from brake lines, supports four-wheel simultaneous oil exchange, and includes a 3L stainless-steel oil pot, four used-oil bottles, and 17 adapters for broader vehicle coverage.
Four-Wheel ExchangePulse Pressure Control17 AdaptersDC 12V Power
0.6-3.0barPressure Range
1.6L/minMax Output Flow
3LOil Pot
3 YearsWarranty
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Before You Order And Use
Before You Order And Use
Read these notes before using the AST618 brake fluid exchanger. Correct pressure control, clean connections, and proper used-oil draining help protect the vehicle brake system and the machine.
Factory Pressure Setting
The pressure regulator is set around 1-1.5bar before delivery to help protect the brake fluid reservoir and secondary sealing ring during fluid exchange.
Avoid Excessive Pressure
Lower-pressure bleeding or fluid exchange is possible. Higher working pressure should only be used when appropriate; excessive pressure may damage the brake master cylinder or related brake components.
Check Every Connection
Before changing oil, check each connection for leaks and inspect the connecting hoses for damage.
Keep The Filler Port Clean
Keep the new brake fluid filler port clean during operation to avoid contaminating the new fluid.
No Engine Start Needed
The vehicle does not need to be started during the brake fluid exchange operation.
Drain Used Oil After Service
After the oil exchange, drain used oil from the equipment tank completely. If it is not emptied, the vacuum pump may be damaged and later oil-change operation may be affected.
Brake Fluid Reminder
Use compatible brake fluid types such as DOT3, DOT4, and DOT5.1 as required by the vehicle.
Do not allow air, water, or debris to enter the brake fluid system during service.
Always follow the vehicle service sequence when draining old fluid from each brake caliper.
Key Features
Key Features
AST618 combines pulse exchange, adjustable control, four-wheel service capacity, automatic monitoring, and a mobile workshop-friendly design for larger brake fluid service workloads.
Four-Wheel Simultaneous Exchange
AST618 can connect to four brake calipers at the same time, helping workshops complete brake oil exchange more quickly than single-wheel or two-wheel models.
Pulse One-Button Replacement
After setting the working environment, one technician can operate the machine and start the automatic brake fluid replacement process.
Adjustable Digital Control Panel
The panel supports pressure adjustment, pulse adjustment, time adjustment, pause/start control, and relief pressure/stop operation with visible working parameters.
Liquid Level And Pressure Monitoring
The built-in monitoring device helps detect pressure status and can stop operation if the system cannot build pressure or the new fluid supply is abnormal, reducing the risk of air entering the brake line.
3L Stainless-Steel Oil Pot
The 3L stainless-steel oil pot is designed to be corrosion-resistant, collision-resistant, and durable for workshop use.
17 Adapters For Wider Coverage
The included 17-piece adapter set supports many European, American, and Asian vehicle models, improving compatibility during brake fluid exchange.
Air-Free Service Design
The machine does not need pre-exhausting before use. The suction pipe design helps separate moisture from air and reduce contamination of brake fluid.
Mobile Trolley Structure
Four rollers, a three-section telescoping handle, hanging hooks, and hose storage details make the AST618 easier to move and operate around a workshop.
Warranty And Support
AUTOOL provides 3-year warranty support for eligible non-human damage cases, with support for setup, accessories, troubleshooting, and model selection.
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How It Works
How It Works
AST618 delivers new brake fluid under controlled pressure while used fluid is drained from each brake caliper in the proper sequence, helping complete brake fluid replacement without manual pedal bleeding.
Fresh Fluid Delivery
Brake fluid is pumped from the new fluid container and delivered to the vehicle brake fluid reservoir at the selected working pressure.
Caliper-Side Fluid Discharge
Used brake fluid is drained from each wheel brake caliper in the prescribed sequence until new clean fluid flows out.
Pulse Pressure Exchange
Pulse pressure helps move fluid through the brake lines and can reduce the chance of air bubble formation compared with basic pressurized filling.
Monitoring Protection
If pressure cannot be generated or the pump draws in air, the machine can stop to help prevent air from entering the vehicle brake fluid reservoir.
Specifications
AUTOOL AST618 Product Specifications
The current AST618 specification image lists DC 12V power, 1.6L/min maximum output flow, 0.6-3.0bar pressure range, 3L oil pot volume, 3.5m tubing length, and 515 × 438 × 550mm dimensions.
Core Specifications
Product
AUTOOL AST618 Pulsating Brake & Clutch Bleeder
Power Supply
DC 12V battery
Working Pressure Range
0.6-3.0bar
Maximum Output Flow
1.6L/min
Oil Pot Volume
3L stainless-steel oil pot
Tubing Length
3.5m
Main Unit Dimensions
515 × 438 × 550mm
Product Weight
23.5kg
Brake Fluid And Service Capacity
Supported Brake Fluid
DOT3, DOT4, DOT5.1
Brake Calipers
4 pcs / four-wheel simultaneous oil exchange
Used-Oil Bottles
Four 1.5L oil bottles
Compatible Connectors
17 types
Control Functions
Pressure adjustment, pulse adjustment, working time setting, pause/start, relief pressure/stop
Design And Support
Mobility
360° casters, large rear wheels, and three-section telescoping handle
Structure Details
Pressure gauge, control panel, oil inlet tube, oil outlet tube, level gauge and drain port, oil filling port, hook, tie rod, and power switch
Warranty
3-year warranty support for eligible non-human damage cases
Control FunctionsPressure adjustment, pulse adjustment, working time setting, pause/start, relief pressure/stop
Design And Support
Mobility360° casters, large rear wheels, and three-section telescoping handle
Structure DetailsPressure gauge, control panel, oil inlet tube, oil outlet tube, level gauge and drain port, oil filling port, hook, tie rod, and power switch
Warranty3-year warranty support for eligible non-human damage cases
How To Use
How To Use
AST618 is designed for one-person brake fluid exchange. Prepare the vehicle, connect the four oil ports, add compatible new brake fluid, connect 12V power, set the working parameters, and drain used oil after service.
Prepare The Vehicle
Raise the vehicle to a suitable height so the drive wheels are not on the ground. The vehicle does not need to be started.
Connect Four Outlet Hoses
Connect the machine’s four oil ports to the vehicle brake cylinders, then loosen the bleeder screws on the brake cylinders as required.
Add Fresh Brake Fluid
Add compatible fresh brake fluid into the oil filling port according to the tank capacity, vehicle requirement, and manual instructions. Do not overfill.
Connect The Reservoir Adapter
Select the matching connector and connect the filling hose to the brake master cylinder reservoir.
Connect DC 12V Power
Connect the machine to a DC 12V vehicle battery and turn on the power switch.
Start The Exchange
Press the Vacuum Switch, then press the Fuel Switch to start changing brake fluid.
Adjust Refilling Speed
During the process, watch the brake oil tank mouth. If refilling is too slow, press the acceleration switch. If it is too fast, press the deceleration switch.
Drain Used Oil After Service
After the oil change, drain the used oil from the equipment tank completely to help protect the vacuum pump and maintain future operation.
Use Notes
Do not start the vehicle during operation.
Use DOT3, DOT4, or DOT5.1 only when compatible with the vehicle service requirement.
Check all hoses, adapters, and connections before starting.
Do not over-adjust the working pressure.
Drain the used-oil tank after the operation is complete.
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What Is In The Box
What Is In The Box
The packing list image shows the AST618 main unit, retail box, 17-piece adapter case, DC 12V power cable, user manual, and four used-oil bottles. Final accessories should be checked against the package image and current product listing.
Main UnitAUTOOL AST618 pulsating brake oil exchanger
Adapter Kit17-piece adapter set shown in the package image
Used-Oil BottlesFour used-oil bottles shown in the package image
Power CableDC 12V battery clamp power cable
ManualAUTOOL AST618 user manual
PackageAST618 retail box
Product Comparison
Product Comparison
Compare AST618 with AST603, AST605, AST609, and AST612 before choosing the right brake oil exchanger for single-wheel, two-wheel, or four-wheel service work.
AST603 / AST605Single-wheel oil change models. AST605 includes more compatible connectors than AST603 while the main parameters remain similar.
AST609Supports simultaneous oil change for two wheels, includes seven connectors, and uses a 1.5L used-oil bottle plus a 1L new-oil bottle.
AST612DC12V model for two-wheel simultaneous oil exchange with two 1.5L used-oil bottles, one 1L new-oil bottle, and nine adapter types.
AST618Higher-capacity model with four-wheel simultaneous oil exchange, four 1.5L used-oil bottles, a 3L stainless-steel oil pot, 17 adapter types, pulse settings, working time settings, 360° casters, and a three-section telescoping handle.
Decision CheckChoose by wheel service capacity, power supply, working pressure, adapter range, oil bottle configuration, pulse control, working time setting, and mobility requirements.
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Related Products
Related Products
Use these related product cards to compare AST603, AST605, AST609, AST612, and the 17-piece brake fluid changer adapter set before choosing the right brake fluid exchange solution.
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Select options
This product has multiple variants. The options may be chosen on the product page
Contact AUTOOL Store before ordering if you need to confirm brake fluid type, adapter compatibility, AST603 / AST605 / AST609 / AST612 / AST618 model selection, pressure settings, or package contents.
These answers cover brake fluid compatibility, four-wheel exchange, working pressure, operation, model comparison, package contents, used-oil draining, and warranty support.
AUTOOL AST618 is used for brake and clutch fluid exchange on 12V vehicles. It is designed for workshop brake fluid service, supports pulse pressure exchange, and can connect to four brake calipers for simultaneous brake oil exchange.
AST618 supports DOT3, DOT4, and DOT5.1 brake fluid types. Always choose the brake fluid specified by the vehicle manufacturer and avoid contamination from air, water, or debris during service.
Yes. AST618 is designed for four-wheel simultaneous brake oil exchange. It includes four used-oil bottles and can connect to four brake calipers, helping improve efficiency for large workshops.
The pressure regulator is set around 1-1.5bar before delivery. The current product specification image lists a 0.6-3.0bar pressure range. Lower-pressure exchange is possible, but excessive pressure may damage the brake master cylinder, so adjust pressure carefully and follow the vehicle service requirement.
No. The vehicle does not need to be started during the AST618 brake fluid exchange operation.
Check every connection for leaks, inspect the connecting hoses for damage, select the correct adapter, keep the new oil filler port clean, and confirm the brake fluid type required by the vehicle.
After connecting the machine and adding fresh brake fluid, connect the DC 12V power, turn on the power switch, press the Vacuum Switch, then press the Fuel Switch. During the process, watch the brake oil tank mouth. If refilling is too slow, press the acceleration switch. If it is too fast, press the deceleration switch.
Drain the used oil from the equipment tank completely after the oil change. If used oil remains in the tank, it may damage the vacuum pump and prevent future oil exchange operations.
AST605 includes more compatible connectors than AST603 while the main parameters are similar. AST609 includes seven compatible connectors, one 1.5L used-oil bottle, one 1L new-oil bottle, and supports two-wheel simultaneous oil exchange. AST603 and AST605 are single-wheel oil change models with a maximum output flow of 1.6L/min, while AST609 also lists 1.6L/min in the current comparison chart and is designed for faster two-wheel workflow.
Choose AST612 if you need a DC12V two-wheel brake fluid exchanger with nine adapter types. Choose AST618 if you need higher workshop efficiency with four-wheel simultaneous oil exchange, four 1.5L used-oil bottles, a 3L stainless-steel oil pot, 17 adapter types, pulse settings, working time settings, 360° casters, and a three-section telescoping handle.
Refer to the Packing List image for the final package contents. The package image shows the AST618 main unit, retail box, 17-piece adapter case, DC 12V power cable, user manual, and four used-oil bottles.
AUTOOL provides 3-year warranty support for eligible non-human damage cases. Contact AUTOOL Store for pressure setup, adapter compatibility, packing list confirmation, troubleshooting, replacement accessories, and model selection support.
Related Guides
Related Guides
Use these related articles to understand pulsating brake fluid exchangers, brake system maintenance, and AST model differences before choosing a brake fluid service tool.
Have you ever been curious about how modern garages achieve efficient and precise brake fluid replacements? And for individual car owners, do they possess the ability.
In the world of automotive maintenance, the health of the brake system is of paramount importance. As technology advances, so do the features and performance of brake.
WEThe brake system is undoubtedly the most important to ensure our driving safety among the many key components of an automobile. On every trip, it is like a silent.
Understand how different brake system types affect brake fluid change methods and service planning.
Warranty And Contact
Warranty And Contact
For AST618 setup, brake fluid compatibility, adapter selection, working pressure, package contents, troubleshooting, accessories, or AST model comparison, contact AUTOOL Store directly.
Pre-Sales And Product Support
Use support if you need help confirming AST618 pressure settings, brake fluid type, 12V power setup, 17-piece adapter compatibility, four-wheel operation, used-oil draining, or comparison with AST603, AST605, AST609, and AST612.
3-year warranty for eligible non-human damage cases
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