Power Brake Booster Vacuum Check Valve and Hose Replacement for Chevrolet Optra 2008

1. Spread the clip on the vacuum hose connection at the intake manifold and move the clip slightly toward the brake booster.
2. Pull the hose from the union nut connection. If the hose does not remove easily or is deteriorated, pry off and discard the hose.
3. Spread the clip on the vacuum hose connection to the brake booster, and move the clip clear of the booster.
4. Remove the vacuum hose.

1. Install the vacuum hose and the clip to the booster.
2. Install the vacuum hose and the clip to the intake manifold.
3. Ensure the connections are tight at each end.