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 MANUALSHONDA2002CIVIC SIREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 85 (CONVENTIONAL BRAKE COMPONENTS)MASTER CYLINDER REPLACEMENT
2002 Honda Civic Si
Master Cylinder Replacement
2002 Honda Civic SiSECTION Master Cylinder Replacement
WARNING: This page is about a different car, the 2006 Acura MDX, 2005 Acura MDX, 2004 Acura MDX, and 2003 Acura MDX. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Do not spill brake fluid on the vehicle; it may damage the paint; if brake fluid gets on the paint, wash it off immediately with water.
- Remove the intake air duct (see step 8 on ENGINE REMOVAL ).
- Remove the throttle cable holder.
- Disconnect the brake fluid level switch connectors (A), and remove the reservoir cap (B).
- Remove the brake fluid from the master cylinder reservoir (C) with a syringe.
- Disconnect the brake lines (D) from the master cylinder. To prevent spills, cover the hose joints with rags or shop towels.
- Remove the master cylinder mounting nuts (E).
- Remove the master cylinder (F) from the brake booster (G). Be careful not to bend or damage the brake lines when removing the master cylinder.
- Install the master cylinder in the reverse order of removal, and note these items:
- Fill the reservoir with new brake fluid, then bleed the brake system (see BRAKE SYSTEM BLEEDING ).
- Check the brake pedal height and free play (see BRAKE PEDAL AND BRAKE PEDAL POSITION SWITCH ADJUSTMENT ).
- Spin the wheels to check for brake drag.
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.