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HOMESERVICE MANUALSOLDSMOBILE2004BRAVADA AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 132 (ENGINE CONTROLS - REMOVAL & INSTALLATION, OVERHAUL)IGNITION SYSTEMSCRANKSHAFT POSITION SENSORINSTALLATION
2004 Oldsmobile Bravada AWD

Crankshaft Position Sensor: Installation

2004 Oldsmobile Bravada AWDSECTION Installation
WARNING: This page is about a different car, the 2002 Pontiac Grand Prix, 2002 Chevrolet Monte Carlo, 2002 Chevrolet Impala, 2002 Buick Regal, and 2002 Buick Century. 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.
  4. Install the lower air deflector. Lower the vehicle. Install the drive belt. Perform the CKP System Variation Learn Procedure. See COMPUTER RELEARN PROCEDURES article in GENERAL INFORMATION.
Fig 1: Locating Crankshaft Position Sensor "A" (3.1L & 3.4L)
G00028468Courtesy of GENERAL MOTORS CORP.


  1. Replace the "O" ring, if it is damaged. Lubricate the "O" ring with clean engine. Install the sensor to the block. Install the CKP sensor attaching bolt. Tighten the bolt to specification. See TORQUE SPECIFICATIONS .
  2. Install the CKP sensor electrical connector. Install right front tire and wheel. Lower the vehicle. Perform the CKP System Variation Learn Procedure. See COMPUTER RELEARN PROCEDURES article in GENERAL INFORMATION.
Fig 1: Locating Crankshaft Position Sensor "B" (3.1L & 3.8L)
G00028469Courtesy of GENERAL MOTORS CORP.


  1. Install the CKP sensor. Install the CKP sensor studs. Tighten the studs to specification. See TORQUE SPECIFICATIONS . Install the CKP sensor shield. Connect the CKP sensor electrical connector.
  2. Coat the engine front cover seal contact area on the crankshaft balancer, and the seal surface with clean engine oil. Install the crankshaft balancer. Install the crankshaft balancer retaining bolt. Use the Flywheel Holder (J-37096) to keep the flywheel from turning. Tighten the crankshaft balancer bolt to specification.
  3. Remove the flywheel holder. Install the torque converter cover. Install the right engine splash shield and the engine splash shield retainers. Install the right front tire and wheel. Lower the vehicle. Install the drive belt. Reconnect the negative battery cable. Perform the CKP System Variation Learn Procedure. See COMPUTER RELEARN PROCEDURES article in GENERAL INFORMATION.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.