Yukon XL 4WD V8-5.3L (2011)
Installation Procedure
Note: A small amount of denatured alcohol may be used to ease assembly, if necessary.
1. Install the vacuum brake booster check valve and hose assembly (1) and secure the clamp.
Note: A small amount of denatured alcohol may be used to ease assembly, if necessary.
2. Install the vacuum sensor with check valve and hose assembly (1) to the power vacuum brake booster.
3. Connect the electrical connector to the vacuum sensor.
4. Install the upper intake manifold sight shield. Refer to Upper Intake Manifold Sight Shield Replacement See: Engine, Cooling and
Exhaust/Engine/Intake Manifold/Service and Repair/Upper Intake Manifold Sight Shield Replacement.
