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HOMESERVICE MANUALSPONTIAC2008GRAND PRIX BASEREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 93 (ENGINE CONTROL SYSTEM & FUEL SYSTEM - 3.8L - INTRODUCTION (2 OF 2))REPAIR INSTRUCTIONSCRANKSHAFT POSITION SENSOR REPLACEMENTINSTALLATION PROCEDURE
2008 Pontiac Grand Prix Base

Installation Procedure

2008 Pontiac Grand Prix BaseSECTION Installation Procedure
WARNING: This page is about a different car, the 2007 Buick LaCrosse and 2007 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Removing/Installing CKP Sensor
    GM12303Courtesy of GENERAL MOTORS CORP.
  1. Install the CKP sensor.
    2. NOTE: Refer to Fastener Notice .
  2. Install the CKP sensor studs.

    Tighten:  Tighten the studs to 30 N.m (22 lb ft).

    3. Fig 2: Removing/Installing CKP Sensor Shield
    GM12302Courtesy of GENERAL MOTORS CORP.
  3. Install the CKP sensor shield (1).
  4. Connect the CKP sensor electrical connector.
  5. Install the crankshaft harmonic balancer. Refer to Crankshaft Balancer Replacement in Engine Mechanical - 3.8L.
  6. Lower the vehicle.
  7. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection (L26) in Engine Electrical.
  8. Perform the crankshaft position system variation learn procedure. Refer to Crankshaft Position System Variation Learn .
RENDER: 1.0x

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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.