Power Brake Booster Vacuum Check Valve and Hose Replacement (2.2L)

WARNING: This page is about a different car, the 2010 Pontiac G5 and 2010 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Vacuum Brake Booster Check Valve & Hose

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
Preliminary Procedures Place the ignition switch in the OFF position. Apply and release the brake pedal several times until the pedal becomes firm to deplete the power brake booster vacuum reserve.
1	Vacuum Brake Booster Hose Quick Connect
2	Vacuum Brake Booster Check Valve Tip: If necessary, a small amount of denatured alcohol can be used as an assembly aid for installing the vacuum brake booster check valve to the vacuum booster grommet. Do not use soap.
3	Vacuum Brake Booster Hose Clamp
4	Vacuum Brake Booster Hose Tip: If necessary, a small amount of denatured alcohol can be used as an assembly aid for installing the vacuum hose to the vacuum brake booster check valve. Do not use soap.