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Home >> GMC >> 2001 >> C3500 HD 8.1 G, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 8.1L - Repair Instructions >> Repair Instructions >> Camshaft Position Sensor Replacement >> Installation Procedure
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Installation Procedure

IMPORTANT:

Inspect the CMP sensor O-ring for wear or damage. If a problem is found, replace the O-ring. Lubricate the new O-ring with engine oil before installing.

    Fig 1: Locating Camshaft Position Sensor
    GM690593Courtesy of GENERAL MOTORS COMPANY
    IMPORTANT:

    The CMP sensor bolt has self-tapping threads, care must be taken, NOT to strip the threads when installing.

  1. Install the CMP sensor (1).

    Refer to FASTENER NOTICE in Cautions and Notices.

  2. Install the CMP sensor bolt (2).

    Tighten 

    Tighten the bolt to 12Y(106 lb in).

  3. Connect the CMP sensor electrical connector (3).
  4. Install the steering linkage shield, if equipped.
  5. Lower the vehicle.
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