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 MANUALSMAZDA1999PROTEGE ES, AUTOMATICREPAIR AND DIAGNOSISBRAKESTRACTION CONTROLANTI-LOCKADJUSTMENTSMASTER CYLINDER PUSH ROD
1999 Mazda Protege ES, Automatic
Master Cylinder Push Rod
1999 Mazda Protege ES, AutomaticSECTION Master Cylinder Push Rod
- Before installing master cylinder, measure clearance between master cylinder piston and power brake unit push rod. Place Adjusting Gauge (49-B043-001) on master cylinder. Turn adjusting bolt until it touches bottom of pushrod hole in the piston. See Fig 1 .
- Using a hand-held vacuum pump, apply 19.7 in. Hg vacuum to power brake unit. Invert Adjusting Gauge (49-B043-001) used in step 1) and place it onto power brake unit. Measure clearance between end of Adjusting Gauge (49-B043-001 ) and push rod of power brake unit.
- There should be zero clearance (air gap). If there is clearance (air gap), loosen push rod locknut and turn push rod to adjust it using Push Rod Adjuster (49-B043-004) and Adapter (49-E043-003A ). See Fig 1 .
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.