Put the car on a two-post lift

Disconnect the battery.

Remove:

  • - wiper arms;
  • - grille of the air intake niche;

Replacing the master cylinder reservoir

Replacing brake master cylinder Renault Megane 2

Remove the plug from the neck of the reservoir of the main brake cylinder

Replacing the brake master cylinder for Renault Megane 2

Remove the air supply sleeve

Replacing the brake master cylinder for Renault Megane 2

Pull out the brake fluid from the reservoir

Replacing the brake master cylinder for Renault Megane 2

We bite the lock of the clutch master cylinder hose clamp

Replacing the brake master cylinder for Renault Megane 2

Remove the hose from the master cylinder reservoir fitting

Press the wire block retainer

For clarity, the following steps are shown on the removed master cylinder

Replacing the brake master cylinder for Renault Megane 2

Disconnect the block from the brake fluid level sensor

Replacing the brake master cylinder for Renault Megane 2

Turn out the pin of the reservoir to the brake master cylinder

Replacing the brake master cylinder for Renault Megane 2

Removing the finger

Replacing the brake master cylinder for Renault Megane 2

Remove the tank, removing its nozzles from the connecting sleeves

Replacing the brake master cylinder for Renault Megane 2

If the liquid was leaking from under the tank, then pry off the connecting sleeves with a screwdriver ...

Replacing the brake master cylinder Renault Megane 2

Remove the bushings from the holes in the cylinder body

Install the reservoir by inserting its nozzles into the connecting tubes, before wetting the bushings with brake fluid.

Insert the reservoir pin to the brake master cylinder.

Connect the block of wires to the level sensor.

Connect the clutch master cylinder hose.

Replacing the brake master cylinder Renault Megan 2

Fill in the brake fluid.

After installing the reservoir, we check the brakes.

Replacing the brake master cylinder

Remove the cap from the reservoir of the brake cylinder

Remove the air supply hose

Replacing the brake master cylinder for Renault Megane 2

Pull out the brake fluid from the reservoir

Replacing brake master cylinder Renault Megane 2

Disconnect the clutch release hose

Replacing the brake master cylinder for Renault Megane 2

Disconnect the wiring harness from the level sensor

Replacing the brake master cylinder Renault Megane 2

We unscrew the nut for fastening the pipeline of the second circuit

Replacing brake master cylinder Renault Megane 2

Let's move the pipeline to the side

Replacing the brake master cylinder for Renault Megane 2

We also turn off and set aside the pipeline of the primary circuit

Replacing the brake master cylinder for Renault Megane 2

We pry off the soundproofing fastener and move part of the soundproofing down

Replacing the brake master cylinder Renault Megane 2

We unscrew the nuts securing the master cylinder to the vacuum brake booster

Replacing the brake master cylinder Renault Megan 2

Remove the brake master cylinder

Pry off the O-ring with a screwdriver

Replacing the brake master cylinder for Renault Megane 2

Replacing the ring

Replacing the brake master cylinder for Renault Megane 2

If the master cylinder is replaced, then we rearrange the brake fluid reservoir to the new cylinder.

Install the brake cylinder in reverse order.

Fill in the brake fluid and bleed the brake system.

Properly snap the reservoir onto the brake master cylinder.

Install the reservoir bolt to the brake master cylinder.

Tighten the reservoir bolt on the master cylinder to the required torque of 8.5 Nm.

Align the brake master cylinder with the brake booster so that the booster tappet fits into the socket in the master cylinder housing.

When installing the master cylinder, center the collar in the brake booster.

Tighten the nuts securing the master cylinder to the vacuum brake booster.

Tighten the master cylinder mounting nuts on the brake booster to the required torque of 50 Nm.

Installation is performed in the reverse order of removal.

Tighten the nuts securing the pipelines to the brake master cylinder to the required torque of 17 Nm.

Bleed air from the brake system.

Connect the battery.