GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2009 🢒 TrailBlazer - 4WD 🢒 Engine 🢒 Engine Mechanical - 4.2L 🢒 Timing Chain and Sprocket Removal

    Object Number: 1906288 Size: SH
  1. Remove the exhaust camshaft position actuator bolt.
  2. Remove the exhaust camshaft position actuator.

    3. Object Number: 637575 Size: SH
  3. Remove the intake camshaft sprocket bolt.
  4. Remove the intake camshaft sprocket.
  5. Remove the timing chain.
  6. Remove the crankshaft sprocket.