Checking the brake booster check valve (Renault Megane 2)

Perform the check on the check valve installed in the vacuum hose.

Remove the brake booster vacuum hose.

Note: The check valve is installed with tension in the vacuum hose according to the installation marks.

Check the operation of the check valve using a vacuum pump.

Caution! If the check valve is faulty, replace it together with the vacuum hose.

(Original publication on the website: «RenaultBook»)