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 MANUALSHONDA2009ODYSSEY EX-LREPAIR AND DIAGNOSIS (SINGLE PAGE)BRAKESMECHANICAL - HYDRAULICCONVENTIONAL BRAKE COMPONENTSMASTER CYLINDER REPLACEMENT
2009 Honda Odyssey EX-L
Master Cylinder Replacement
2009 Honda Odyssey EX-LSECTION Master Cylinder Replacement
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.
- Be careful not to damage or deform the brake lines during removal and installation.
- Plug and cover the hose ends and joints with a shop towel or equivalent.
- Remove the air cleaner housing and the intake air duct (see AIR CLEANER REMOVAL/INSTALLATION ).
- Remove the reservoir cap and the brake fluid from the master cylinder reservoir with a syringe.
- Disconnect the brake fluid level switch connector.
- Disconnect the brake lines (B) from the master cylinder. To prevent spills, cover the hose joints with rags or shop towels.
- Remove the master cylinder mounting nuts (D).
- Remove the master cylinder from the brake booster (E). Be careful not to bend or damage the brake lines when removing the master cylinder.
- Remove the O-ring (F) from the master cylinder.NOTE: Replace the O-ring whenever the master cylinder is removed.
- Install the master cylinder in the reverse order of removal, and note these items:
- Coat the inner bore lip and the new O-ring with the silicone oil with the Shin-Etsu silicone grease (P/N 08798-9013).
- If the master cylinder is replaced with a new one, check the brake booster pushrod clearance before installing it (see BRAKE BOOSTER PUSHROD CLEARANCE ADJUSTMENT ).
- Check the brake pedal height and free play after installing the master cylinder, and adjust it if necessary: Without power adjustable pedals (see PEDAL HEIGHT ON MODELS WITHOUT POWER ADJUSTABLE PEDALS ), With power adjustable pedals (see PEDAL HEIGHT ON MODEL WITH POWER ADJUSTABLE PEDALS ).
- Bleed the brake system (see BRAKE SYSTEM BLEEDING ).
- 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.