You dont need a 5 or 10 thousand dollar gm tech2 or snap on diagnostic scanner or any other high end vehicle manufacturer specific diagnostic scan tool to preform an auto bleed on an abs brake. In that case use a scan tool to cycle the pump and valves.
Select anti lock brakes followed by miscellaneous then abs brakes.
How to bleed abs brakes with scan tool.
Engage the parking gear so as to make sure that the emergency brakes are applied as well.
Apply pressure by pressing the brakes and then releasing it again.
Once the brake system is bled you need a drb scan tool to cycle the solenoids in the abs hydraulic control unit to get rid of any air entrapment and then bleed the brake system the second time.
The scan tool is mainly required for activating the pump and cycling the valves to bleed out these areas.
Connect scan tool to the data link connector dlc.
How to bleed abs module without scan tool step 1.
Bleeding with a scan tool.
Even without the help of an abs scan tool bleed methods can be performed safely and accurately.
Perform base brake bleeding a second time.
To do this you need to turn on the engine or at least in a position where the battery is about to activate the abs.
Getting ready after confirming that your car needs bleeding by following the two steps above park the vehicle on a flat surface.
Top off master cylinder fluid level and verify proper brake.
Bleeding the abs system repair guide perform base brake bleeding.
Many abs modulators are not equipped with bleeders.
According to the service manual you must bleed the brake system the first time using conventional bleeding methods.
Scanner i use in this video httpsamznto31chipi some vehicles with modern abs systems are extremely hard to completely get all air out of the system using the conventional bleeding procedures.
How to bleed abs brakes with a scan tool.
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