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Timing Belt Drive Sprocket Removal

WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Exploded View Of Crankshaft Gear & Components
    GM897067Courtesy of GENERAL MOTORS CORP.
  1. Remove the nut (702), bolts (730), and guide (703).
  2. Remove the crankshaft position (CKP) sensor (704) and harness (701).
  3. Remove the guide (236). Note, the concave area of the guide faces the front of engine.
    4. IMPORTANT: The powertrain control module (PCM) must perform the idle learn procedure to determine the minimum throttle position and to establish idle speed when any of the following components are replaced:
    • Throttle body
    • Timing belt
    • Timing belt drive sprocket
    • Crankshaft and bearings

    Refer to Idle Learn .
  4. Remove the sprocket (237) and key (123).
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