Avalanche 4WD V8-5.3L (2011)
Manifold Pressure/Vacuum Sensor: Service and Repair
Manifold Absolute Pressure Sensor Replacement
Removal Procedure
1. Remove the 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.
2. Disconnect the engine wiring harness electrical connector (4) from the manifold absolute pressure (MAP) sensor.
3. Remove the MAP sensor retainer.
4. Remove the MAP sensor.
Installation Procedure
Important: Lightly coat the MAP sensor seal with clean engine oil before installing the sensor.
