Vacuum Brake Booster Check Valve and/or Hose Replacement

WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Vacuum Brake Booster Check Valve and/or Hose Replacement

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
Preliminary Procedures Deplete the vacuum reserve in the vacuum booster by applying the brake pedal 3 times or until the pedal becomes firm. If equipped with the 4.8L, 5.3L, 6.0L, or 6.2L engine, remove the upper intake manifold sight shield. Refer to Upper Intake Manifold Sight Shield Replacement .
1	Vacuum Brake Booster Hose Clamp
2	Vacuum Brake Booster Hose Clamp
3	Vacuum Brake Booster Hose
4	Vacuum Brake Booster Check Valve