Part Description: 2003 GMC Sierra 3500 Master Cylinder Bleeding Tool
More Info
Vehicle Fitment
2003 GMC Sierra 3500 | All Trims | All Engines
FAQ for Brake Master Cylinder Bleeder Tool Repair
Q: What needs to notice when repairing brake bleeding?
A:
Pay attention to brake fluid effects on paint and electrical components.
By Bob
GM Specialist
28/10/2022
Q: Can I drive the vehicle if the brake system warning lamp remains illuminated?
A:
No. Don't allow the vehicle to be driven until it is diagnosed and repaired.
By Bob
GM Specialist
28/10/2022
Q: What should I use when adding fluid to the brake master cylinder reservoir?
A:
Use only Delco supreme 11, GM P/N 12377967 (Canadian P/N 992667), or equivalent DOT-3 brake fluid.
By Bob
GM Specialist
28/10/2022
Q: What is the Master Cylinder Bench Bleeding service/repair procedure?
A:
Secure the mounting flange of the brake master cylinder. Remove the master cylinder reservoir cap and diaphragm, the transparent hoses, the fittings with the transparent hoses, and the master cylinder. Then install suitable fittings to the master cylinder ports and transparent hoses.
By Bob
GM Specialist
28/10/2022
Q: What is the Hydraulic Brake System Flushing service/repair procedure?
A:
Inspect the brake fluid and the master cylinder reservoir cap diaphragm and the reservoir-to-master cylinder grommets. Next, Fill the brake master cylinder reservoir to the maximum-fill level with Delco Supreme 11 (GM P/N 12377967) or equivalent DOT-3 brake fluid. Then pressure bleed the hydraulic brake system.
By Bob
GM Specialist
28/10/2022
FAQ for Other Repair Info
Q: What is the Master Cylinder Overhaul disassembly procedure?
A:
Remove the Brake Master Cylinder, the reservoir cap and diaphragm, the master cylinder reservoir, and the primary piston assembly. Next, clean the outside of the master cylinder reservoir. Then discard the primary piston assembly, the piston retainer, and the seals and seal retainer.
Q: What is the installation procedure for the vacuum brake booster?
A:
The procedure is to install the gasket, the vacuum booster, the 4 vacuum booster mounting nuts, the stop lamp switch, the pushrod retaining clip, the vacuum hose, the brake master cylinder and release the park brake and unblock the wheels.
Q: What is the removal procedure for the vacuum pump?
A:
The procedure is to remove the vacuum hose, the brake assist pump nuts, and the brake assist pump, and disconnect the electrical connector.