Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSMAZDA20105 SPORT, 2.3 L, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 408 (CONVENTIONAL BRAKE SYSTEM)DUAL PROPORTIONING VALVE INSPECTIONWITHOUT ABS
2010 Mazda 5 Sport, 2.3 L, Standard
Without ABS
2010 Mazda 5 Sport, 2.3 L, StandardSECTION 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.
- Connect the SSTs to the brake pipes as shown in Fig 1.
- Bleed the air from the brake system.
- 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} |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.