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 MANUALSMAZDA20086 S SPORT, 4D HATCHBACK, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 555 (CONVENTIONAL BRAKE SYSTEM)POWER BRAKE UNIT INSPECTIONPOWER BRAKE UNIT FUNCTION CHECK (INSPECTION USING THE TESTERS)NOTES

2008 Mazda 6 s Sport, 4D Hatchback, Standard

Power Brake Unit Function Check (Inspection Using The Testers): Notes

2008 Mazda 6 s Sport, 4D Hatchback, StandardSECTION Notes

WARNING: This page is about a different car, the 2007 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.

Connect the SSTs, vacuum gauge, and pedal depression force gauge as shown in the figure to bleed the air from the SSTs and brake line. (Bleed the air from the SSTs using a air bleed valve A).

Fig 1: Connecting SST Vacuum Gauge, And Pedal Depression Force Gauge
Courtesy of MAZDA MOTORS CORP.

RENDER: 1.0x

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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.