Suzuki Wagon R Manual page 1390

5A-2 BRAKES PIPE/HOSE/MASTER CYLINDER
LSPV (Load Sensing Proportioning Valve) Assembly (if equipped)
As shown in figure below, LSPV is included within the brake circuit which connects the master cylinder and the
rear wheel brake. It controls the hydraulic pressure applied to the rear wheel brake according to the loaded state
of the vehicle (or weight of the load), whereby preventing the rear wheels from getting locked prematurely.
1. LSPV assembly
2. Spring
3. Adjust nut
4. Brake pipe flare nut
General Description