GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 HUMMER 🢒 2008 🢒 H3 🢒 Engine 🢒 Engine Mechanical - 3.7L 🢒 Timing Chain and Sprocket Removal

Timing Chain and Sprocket Removal for HUMMER H3 2008


    Object Number: 858172 Size: SH
  1. Remove the exhaust camshaft sensor bolt.
  2. Remove the exhaust camshaft sensor.

    3. Object Number: 1875385 Size: SH
  3. Remove and discard the exhaust camshaft position actuator bolt.
  4. Remove the exhaust camshaft position actuator.

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