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Home >> Chevrolet >> 2002 >> Express 1 Ton Van V8-8.1L VIN G >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Manifold Pressure/Vacuum Sensor >> Service and Repair
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Manifold Pressure/Vacuum Sensor: Service and Repair

REMOVAL PROCEDURE




1. Remove the engine cover.
2. Disconnect the manifold absolute pressure (MAP) sensor electrical connector.
3. Remove the MAP sensor retaining bolt and washer(1).
4. Remove the MAP sensor (3) from the intake manifold (2).
5. Inspect the MAP sensor seal for wear or damage and replace as necessary.

INSTALLATION PROCEDURE

IMPORTANT: Lightly coat the MAP sensor seal with rubber lubricant part number 9985770 before installing the sensor. The lubricant should be applied with a sponge or a brush. To prevent blockage, avoid dipping the sensor port directly into the lubricant.




1. Install the MAP sensor (3).

NOTE: Refer to Fastener Notice in Service Precautions.

2. Install the MAP sensor retaining bolt and washer(1).

Tighten
Tighten the fastener to 12 N.m (106 lb in).

3. Connect the MAP sensor electrical connector.
4. Install the engine cover.