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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1025 (Engine Controls And Fuel - 4.3L - Introduction (2 Of 2)) >> Repair Instructions >> Crankshaft Position Sensor Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2008 GMC Sierra and 2008 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT: When installing the CKP sensor, make sure the sensor is fully seated before tightening the bolt. A poorly seated CKP sensor may perform erratically and may set false diagnostic trouble codes (DTCs).
    Fig 1: View Of CKP Sensor & Bolt
    GM1877000Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Do not reuse the original O-ring seal.
  1. If reinstalling the old CKP sensor, install a NEW O-ring seal onto the sensor.
  2. Lubricate the O-ring seal with clean engine oil.
    3. NOTE: Refer to Fastener Notice .
  3. Install the CKP sensor and bolt.

    Tighten:  Tighten the bolt to 10 N.m (89 lb in).

    4. Fig 2: View Of Engine Wiring Harness & Components
    GM1876999Courtesy of GENERAL MOTORS CORP.
  4. Connect the engine wiring harness electrical connector (4) to the CKP sensor.
    5. Fig 3: View Of Oil Pan Skid Plate & Bolts
    GM1698082Courtesy of GENERAL MOTORS CORP.
  5. If equipped, position the oil pan skid plate and install the bolts.

    Tighten:  Tighten the bolts to 28 N.m (21 lb ft).

  6. Lower the vehicle.
  7. Perform the crankshaft position system variation learn procedure. Refer to Control Module References .
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