Vacuum Brake Booster Check Valve: Service and Repair

VACUUM HOSE REMOVAL/INSTALLATION

MZR 2.5

1. Disconnect the vacuum hose (power brake unit side) while pressing tabs as shown in the figure.






2. Insert a thin flathead screwdriver at the point indicated by the arrow in the figure, push the ring down and disconnect the vacuum hose from the intake manifold.






3. Remove the vacuum hose.

4. Install in the reverse order of removal.

5. Verify that the vacuum hose is inserted so that the joint contacts the intake manifold ring.






MZI 3.7 V6

1. Disconnect the vacuum hose (power brake unit side) while pressing tabs as shown in the figure.






2. Disconnect the vacuum hose (dynamic chamber side).






3. Remove the vacuum hose.

4. Install in the reverse order of removal.