FAQ for Brake Master Cylinder Bleeder Tool Repair
Q: What is the recommended fluid added to the brake master cylinder reservoir?
A:
The recommended fluid is Delco Supreme 11 (R), GM P/N 12377967 (Canadian P/N 992667), or equivalent DOT-3 only.
By BobGM Specialist
28/10/2022 Q: What should be done if the brake pedal feels spongy?
A:
You will need to inspect the brake system for external leaks. If equipped with Antilock Brakes, using a scan tool, perform the antilock brake system automated bleeding procedure to remove any air that may have been trapped in the BPMV.
By BobGM Specialist
28/10/2022 Q: When the automated bleed procedure is recommended?
A:
The automated bleed procedure is recommended when one of the following conditions exists: base brake system bleeding does not achieve the desired pedal height or feel, extreme loss of brake fluid has occurred or air ingestion is suspected in the secondary circuits of the brake modulator assembly.
By BobGM Specialist
28/10/2022 Q: What's the preliminary procedure for replacing the windshield washer solvent level switch?
A:
The procedure is to remove the right front wheelhouse panel liner and the windshield washer solvent container, then drain the washer solvent into a suitable clean container.
By BobGM Specialist
28/10/2022 Q: What should be done if you have performed a brake master cylinder bench bleeding?
A:
You will need to disconnect the brake pipes from the master cylinder, replace the ABS pressure modulator valve, or disconnect the jumper lines from the master cylinder to the ABS pressure valve. You must use the pressure bleeding procedure to remove all the air from the system.
By BobGM Specialist
28/10/2022 Q: What's the tip for replacing the windshield washer level sensor?
A:
You may use two flat-bladed tools and pry outward to release the level sensor from the washer solvent container grommet.
By BobGM Specialist
28/10/2022 Q: What should be done before performing the ABS Automated Bleed Procedure?
A:
You will need to first perform a manual or pressure bleed of the base hydraulic brake system.
By BobGM Specialist
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