Master Cylinder Replacement

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2014 Honda Ridgeline, 2013 Honda Ridgeline, 2012 Honda Ridgeline, 2011 Honda Ridgeline, and 2010 Honda Ridgeline. 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.

NOTE:

Be careful not to damage or deform the brake lines during removal and inspection.
To prevent the brake fluid from flowing, plug and cover the hose ends and joints with a shop towel or equivalent.

Remove the engine cover (see step 1 on REMOVAL ).
Remove the intake air duct (see step 6 on ENGINE REMOVAL ).
Disconnect the brake fluid level switch connectors (A), and remove the reservoir cap (B).

Fig 1: Brake Fluid To MAX (Upper) Level And Terminal With Torque Specifications
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Remove the brake fluid from the master cylinder reservoir (C) with a syringe.
Disconnect the brake lines (D) from the master cylinder (E). To prevent spills, cover the hose joints with rags or shop towels.
Remove the master cylinder mounting nuts (F).
Remove the master cylinder 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:
- Coat the seal with silicone oil (Shin-Etsu KF 54).
- Make sure not to get any silicone grease on the terminal part of the connectors and switches, especially if you have silicone grease on your hands or gloves.
- Check the brake pedal height and free play after installing the master cylinder, and adjust it if necessary (see BRAKE PEDAL AND BRAKE PEDAL POSITION SWITCH ADJUSTMENT ).
Bleed the brake system (see BRAKE SYSTEM BLEEDING ).
Spin the wheels to check for brake drag.