brake fluid contained contaminants

Good afternoon,

I attached the procedure below for you for the replacement but you must bleed and flush the entire system of all the fluid.

https://www.2carpros.com/articles/how-to-replace-a-brake-master-cylinder

https://www.2carpros.com/articles/how-to-bleed-or-flush-a-car-brake-system

Roy


Master Cylinder Replacement

Removal Procedure

Caution: Refer to Brake Fluid Irritant Caution.

Notice: Refer to Brake Fluid Effects on Paint and Electrical Components Notice.


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1. Disconnect the electrical connector from the brake fluid level sensor.


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2. Disconnect the brake pipes from the master cylinder.

Important: Install a rubber cap or plug to the exposed brake pipe fitting ends in order to prevent brake fluid loss and contamination.

3. Plug the open brake pipe ends.


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4. Remove master cylinder mounting nuts.
5. Remove the master cylinder from the vehicle.
6. Drain the master cylinder reservoir of all brake fluid.

Installation Procedure


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1. Bench bleed the master cylinder.
2. Install the master cylinder to the brake booster.

Notice: Refer to Fastener Notice.

3. Install the master cylinder mounting nuts.

Tighten the master cylinder mounting nuts to 25 N.m (18 lb ft).


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4. Remove the plugs from the brake pipes.
5. Connect the brake pipes to the master cylinder.

Tighten the brake pipe fittings at the master cylinder to 18 N.m (13 lb ft).


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6. Connect the electrical connector to the brake fluid level sensor.
7. Bleed the hydraulic brake system.