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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 365 (Engine Controls - Removal & Installation) >> Sensors >> Camshaft Position Sensor >> Removal

Camshaft Position Sensor: Removal

WARNING: This page is about a different car, the 2003 GMC Safari and 2003 Chevrolet Astro. However, it is still accessible from the selected car via links, so may be relevant.
  1. Turn ignition off. Remove engine cover. See ENGINE COVER  under MISCELLANEOUS. Locate Camshaft Position (CMP) sensor. CMP sensor is located within distributor. See Fig 1 .
  2. Reference mark spark plug wires at distributor cap for reassembly. Slightly twist all spark plug wires and ignition coil wire at distributor cap. Remove all spark plug wires and ignition coil wire at distributor cap by pulling on the wire boot.
  3. Disconnect CMP sensor harness connector. Remove distributor cap retaining screws and distributor cap. Remove distributor rotor retaining screws and distributor rotor.
  4. Align square slot in distributor reluctor wheel with CMP sensor. See Fig 2 . Remove CMP sensor retaining screws and CMP sensor from distributor. See Fig 3 .
Fig 1: Locating Camshaft Position Sensor
G95C35008Courtesy of GENERAL MOTORS CORP.
Fig 2: Aligning Distributor Reluctor Wheel Slot With Camshaft Position Sensor
G00143823Courtesy of GENERAL MOTORS CORP.
Fig 3: Removing/Installing Camshaft Position Sensor
G00143824Courtesy of GENERAL MOTORS CORP.