Removal & Installation (4.3L)
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2003 GMC Savana Special, 2003 GMC Savana Camper Special, 2003 GMC Savana, 2003 Chevrolet RV Cutaway, and 2003 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
Raise the vehicle. Disconnect the CKP sensor harness connector. See Fig 1. Remove the CKP sensor mounting bolt. Remove the CKP sensor. See Fig 2. DO NOT use the original "O" ring. Lubricate the NEW "O" ring with clean engine oil before installing the CKP sensor. Ensure the CKP sensor mounting surface is clean and free of burrs. To install, reverse removal procedure. Tighten fasteners to specification. See TORQUE SPECIFICATIONS .