Malibu L4-2.4L (2010)
Vacuum Pump: Service and Repair
Power Brake Booster Vacuum Check Valve and Hose Replacement
Removal Procedure
1. Without disconnecting the hoses, position the radiator surge tank aside. Refer to Radiator Surge Tank Replacement (See: Engine, Cooling and
Exhaust/Cooling System/Coolant Reservoir/Service and Repair/Radiator Surge Tank Replacement).
2. Disconnect the brake booster vacuum check valve (1) from the brake booster.
3. If the vacuum check valve (1) needs to be separated from the vacuum hose (3), release and reposition the clamp (2) on the vacuum hose (3) and
remove the check valve (1) from the hose (3).
4. If replacing the vacuum check valve (1), remove the grommet (4) from the brake booster and discard the grommet.
5. If removing the vacuum hose (2), take note of the vacuum hose routing then disconnect from the engine intake manifold connection (3) by
releasing tension on the vacuum hose clamp (1) and sliding the vacuum hose (2) off the intake manifold connection (3).