GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2003 🢒 Impala 🢒 Engine 🢒 Engine Mechanical - 3.8L 🢒 Camshaft Timing Chain and Sprocket Cleaning and Inspection

    Object Number: 192708 Size: SH
  1. Inspect the timing chain and sprockets for damage.
  2. Inspect the timing chain for overall in and out movement. Movement should not exceed 25 mm (1 in).
  3. Inspect the sprockets for wear.