Vacuum Pump: Service and Repair

Power Brake Booster Vacuum Check Valve and Hose Replacement

Removal Procedure

1. Turn the ignition to the OFF position.

2. Apply and release the brake pedal several times until the brake pedal becomes firm to deplete the power vacuum brake booster vacuum reserve.

3. Remove the intake manifold cover. Refer to Intake Manifold Cover Replacement Intake Manifold Cover Replacement.

4. Disconnect the power brake booster vacuum sensor electrical connector.





5. Remove the power brake booster vacuum sensor (1) from the power vacuum brake booster.

6. Disconnect the power brake booster vacuum hose quick connect (2) from the power brake booster pump.





7. If necessary, compress the clamp and remove the power brake booster vacuum sensor (1) from the power brake booster vacuum hose.





8. Disconnect the power brake booster vacuum hose quick connect (1) from the intake manifold fitting.

Installation Procedure





1. Install the power brake booster vacuum hose and install the quick connect (1) to the intake manifold fitting.





Note:
If necessary, a small amount of denatured alcohol may be used as a lubricant for installation.

2. If removed, compress the clamp and install the power brake booster vacuum sensor (1). to the power brake booster vacuum hose.





Note:
If necessary, a small amount of denatured alcohol may be used as a lubricant for installation.

3. Install the power brake booster vacuum sensor (1) to the power vacuum brake booster.

4. Connect the power brake booster vacuum hose quick connect (2) to the power brake booster pump.

5. Connect the power brake booster vacuum sensor electrical connector.

6. Install the intake manifold cover. Refer to Intake Manifold Cover Replacement Intake Manifold Cover Replacement.