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Power Brake Booster Vacuum Check Valve and Hose Replacement (LAU)

Power Brake Booster Vacuum Check Valve and Hose Replacement (LAU)

Removal Procedure


1. With the engine OFF, apply the brake pedal several times until the brake pedal becomes firm to deplete the vacuum brake booster vacuum reserve.

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

3. Remove the power brake booster vacuum sensor. Refer to Power Brake Booster Vacuum Sensor Replacement .

4. Release the power vacuum brake booster hose quick connects (1) at the engine.


5. Release the power vacuum brake booster hose from the retainers (1) on the dash panel.


6. In the engine compartment, release the power vacuum brake booster hose from the retainer (1) on the right side rail.


7. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .

8. Remove the radiator air lower deflector. Refer to Radiator Air Lower Deflector Replacement .

9. Release the power vacuum brake booster hose from the retainer (1).


10. Located ahead of the right front wheelhouse liner, release the power vacuum brake booster quick connect (1) and disconnect the hose from the auxiliary pump fitting.


11. Release the power vacuum brake booster hose retainer (2).

12. Remove the power vacuum brake booster check valve and hose assembly.


Installation Procedure


1. Located ahead of the right front wheelhouse liner, connect the power vacuum brake booster quick connect (1).


2. Install the power vacuum brake booster hose to the retainer (2).

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


4. Install the radiator air lower deflector. Refer to Radiator Air Lower Deflector Replacement .

5. Lower the vehicle.

6. In the engine compartment, install the power vacuum brake booster hose to the retainer (1) on the right side rail.


7. Install the power vacuum brake booster hose to the retainers (1) on the dash panel.


8. Connect the power vacuum brake booster hose quick connects (1) at the engine.


9. Install the power brake booster vacuum sensor. Refer to Power Brake Booster Vacuum Sensor Replacement .

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