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Crankshaft Position Sensor: Installation

WARNING: This page is about a different car, the 2002 Pontiac Montana, 2002 Oldsmobile Silhouette, and 2002 Chevrolet Venture. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the CKP sensor with bolts and the route harness as noted during removal. Install the harness retaining clip and bolt. Tighten the bolts to specification. See TORQUE SPECIFICATIONS .
  2. Connect the CKP sensor electrical connector. Apply Sealer (12345739) or the equivalent to the keyway of the crankshaft balancer. Install the crankshaft balancer into position over the key in the crankshaft. Using Crankshaft Balancer Installer (J-29113), install the crankshaft balancer to the crankshaft.
  3. Remove the crankshaft balancer installer from the crankshaft balancer. Install the crankshaft balancer washer and the crankshaft balancer bolt. Tighten the bolt to specification. Use the utility stand in order to raise the frame/powertrain. Install NEW frame right side bolts. Tighten frame bolts to specification.
  4. Install the engine splash shield. Install the right front tire and wheel. Tighten wheel lug nuts to specification. Lower the vehicle. Install the drive belt. Perform the CKP System Variation Learn Procedure. See CRANKSHAFT POSITION SENSOR under PROGRAMMING in SELF-DIAGNOSTICS - 3.4L MONTANA, SILHOUETTE & VENTURE article.
Fig 1: Locating Crankshaft Position Sensor "A" (24X)
G00028468Courtesy of GENERAL MOTORS CORP.


  1. Replace the CKP sensor "O" ring, if it is damaged. Lubricate the "O" ring with clean engine. Install the CKP sensor to the block. Install the CKP sensor attaching bolt. Tighten the bolt to specification. See TORQUE SPECIFICATIONS . Install the CKP sensor electrical connector.
  2. Install the right tire and wheel. Lower the vehicle. Perform the CKP System Variation Learn Procedure. See CRANKSHAFT POSITION SENSOR under PROGRAMMING in SELF-DIAGNOSTICS - 3.4L MONTANA, SILHOUETTE & VENTURE article.
Fig 1: Locating Crankshaft Position Sensor "B" (7X)
G00028469Courtesy of GENERAL MOTORS CORP.
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