GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 HUMMER 🢒 2009 🢒 H3 🢒 Engine 🢒 Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L 🢒 Engine Block Valley Cover Cleaning and Inspection

    Object Number: 1403320 Size: SH
  1. Clean the valley cover in solvent.

    2. Warning: Refer to Safety Glasses Warning in the Preface section.

  2. Dry with compressed air.
  3. Inspect for damaged threads (1) and damaged sealing surfaces (2).