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Home›Repair guides›General Motors›Crankshaft Position (CKP) Sensor Replacement

General Motors — Crankshaft Position (CKP) Sensor Replacement

Repair & overhaul

From a General Motors service manual — check it applies to your exact model before use.

Before you start

  • Make certain the CKP sensor mounting surfaces are clean and free of burrs
  • Ensure the sensor is fully seated before torquing the hold down bolt

Procedure

  1. Disconnect the negative battery cable
  2. Remove the CKP sensor harness connector
  3. Remove the sensor hold down bolt
  4. Remove the sensor from the timing cover
  5. Inspect the sensor O-ring for wear, cracks or leakage; replace if necessary
  6. Lube the new O-ring with clean engine oil
  7. Install the sensor into the timing cover
  8. Install the sensor hold down bolt; tighten to 8 N·m (71 lb in)
  9. Install the CKP sensor harness connector and connect negative battery cable
  10. Perform the CKP System Variation Learn Procedure

Specs & values

  • CKP sensor hold down bolt: 8 N·m (71 lb in)

Source: General Motors service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.

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