Camshaft Position Sensor Replacement for Chevrolet Impala 2003
Removal Procedure
- Remove the power steering pump and reposition. Refer to
Power Steering Pump Replacement
in Power Steering System.
- Disconnect the camshaft position (CMP) sensor electrical connector.
- Remove the CMP sensor bolt.
- Remove the CMP sensor.
- Inspect the sensor O-ring for wear, cracks, or leakage if the sensor is not being replaced.
Installation Procedure
- Lubricate the O-ring with clean engine oil and replace the O-ring if damaged.
- Install the CMP sensor.
Notice: Use the correct fastener in the correct location. Replacement fasteners
must be the correct part number for that application. Fasteners requiring
replacement or fasteners requiring the use of thread locking compound or sealant
are identified in the service procedure. Do not use paints, lubricants, or
corrosion inhibitors on fasteners or fastener joint surfaces unless specified.
These coatings affect fastener torque and joint clamping force and may damage
the fastener. Use the correct tightening sequence and specifications when
installing fasteners in order to avoid damage to parts and systems.
- Install the CMP sensor bolt.
Tighten
Tighten the bolt to 10 N·m (89 lb in).
- Connect the CMP sensor electrical connector.
- Install the power steering pump. Refer to
Power Steering Pump Replacement
in Power Steering System.