GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Saturn 🢒 2004 🢒 ION 🢒 Engine 🢒 Engine Controls - 2.0L (LSJ) 🢒 Crankshaft Position Sensor Replacement

Removal Procedure
  1. Remove the starter. Refer to Starter Motor Replacement in Engine Electrical.

    2. Object Number: 1389391 Size: SH
  2. Disconnect the crankshaft position (CKP) sensor electrical connector.
  3. Remove the CKP sensor bolt.
  4. Remove the CKP sensor (2).

Installation Procedure

    Object Number: 1389391 Size: SH
  1. Inspect the CKP sensor O-ring and lubricate with a mineral based grease.
  2. Gently insert the CKP sensor (2) into the block.

    3. Notice: Refer to Fastener Notice in the Preface section.

  3. Install the CKP sensor bolt.

    4. Tighten
    Tighten the CKP sensor bolt to 10 N·m (89 lb in).

  4. Reconnect the CKP sensor electrical connector.
  5. Install the starter. Refer to Starter Motor Replacement in Engine Electrical.
  6. Perform the CKP system Variation Learn Procedure. Refer to Crankshaft Position System Variation Learn .