Mailbag: What Does a Residual Pressure Valve Do?
Q: Would you please explain residual valves? … A: A residual pressure valve is a special type of one-way check valve. They are used to keep a small amount of pressure in […]
This OTC Tool Kit Makes Drum Brake Repair Much Easier
While it’s possible to disassemble, reassemble and adjust drum brakes without specialty tools, it is neither easy nor fun. Drum brakes are filled with many springs. On most drum brake […]