Vacuum Pump: Service and Repair

Power Brake Booster Vacuum Check Valve and Hose Replacement (6.2L)

Removal Procedure

1. With the engine OFF, apply and release the brake pedal several times until the pedal becomes firm to deplete the power vacuum brake booster vacuum reserve.
2. Remove the front intake manifold cover. Refer to Intake Manifold Cover Replacement - Front Intake Manifold Cover Replacement - Front.




3. Remove the vacuum brake booster check valve and hose (1) assembly from the power vacuum brake booster.




4. Disconnect the vacuum brake booster hose (1) from the vacuum port at the front of the engine intake manifold.
5. Remove the vacuum brake booster check valve and hose assembly from the vehicle.

Installation Procedure





Note: If necessary, a small amount of denatured alcohol may be used as a lubricant for assembly. Do not use soap.

1. Install the vacuum brake booster hose (1) to the vacuum port at the front of the engine intake manifold.





Note: If necessary, a small amount of denatured alcohol may be used as a lubricant for assembly. Do not use soap.

2. Install the vacuum brake booster check valve and hose (1) assembly to the power vacuum brake booster.
3. Install the front intake manifold cover. Refer to Intake Manifold Cover Replacement - Front Intake Manifold Cover Replacement - Front.