LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Mazda >> 2007 >> B3000 Base, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 416 (Conventional Brake System) >> Dual Proportioning Valve Inspection >> Without ABS
September 30: LEMON manuals is back up on a temporary server! Slowness is possible

Without ABS

WARNING: This page is about a different car, the 2005 Mazda MPV. However, it is still accessible from the selected car via links, so may be relevant.
  1. Connect the SSTs  to the brake pipes as shown in Fig 1.
    Fig 1: Connecting SSTs To Brake Pipes
    G03700241Courtesy of MAZDA MOTORS CORP.
  2. Bleed the air from the brake system.
  3. Measure the fluid pressure of the master cylinder and the rear brake.
    • If not within the specification, replace the dual proportioning valve.
DUAL PROPORTIONING VALVE FLUID PRESSURE

kPa {kgf/cm2 , psi}
A A' B B'
3430 {34,98, 497.4} 3430 {34.98, 497.4} +/- 300 {3.06, 43.5} 5880 {60,853} 4165 {42.47, 603.9} +/- 425 {4.33, 61.6}
Fig 2: Fluid Pressure Graph
G03700242Courtesy of MAZDA MOTORS CORP.