Vacuum Brake Booster Check Valve: Service and Repair

Vacuum Brake Booster Check Valve and/or Hose Replacement (2.0L)

Removal Procedure





1. Disconnect the brake booster vacuum check valve (2) from the brake booster.
2. If the vacuum check valve (2) needs to be separated from the vacuum hose (3), release and reposition the clamp (4) on the vacuum hose (3) and remove the check valve (2) from the hose (3).
3. If replacing the vacuum check valve (2), remove the grommet (1) from the brake booster and discard the grommet.





4. If vacuum hose removal is necessary, release the vacuum hose (2) connector retainer, then disconnect the connector from the vacuum port (1) on the engine intake manifold. Take note of the vacuum hose routing, then remove the vacuum hose from the vehicle.

Installation Procedure

Important: A small amount of denatured alcohol can be used as an assembly aid when installing the vacuum check valve and/or grommet. Do NOT use soap.





1. If the vacuum hose was removed, install the vacuum hose into position on the vehicle, as noted prior to removal.
2. If the vacuum hose was removed, connect the vacuum hose (2) connector to the vacuum port (1) on the intake manifold. Press the connector retainer down firmly to secure the connector to the port.





3. If the vacuum check valve (2) is being replaced, install a NEW grommet (1) to the brake booster.
4. If the vacuum check valve (2) was separated from the vacuum hose (3), install the check valve (2) to the vacuum hose (3). Install and secure the clamp (4) into position on the hose (3).
5. Connect the brake booster vacuum check valve (2) to the brake booster.