GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2003 🢒 Envoy - 2WD 🢒 Engine 🢒 Engine Mechanical - 4.2L 🢒 Engine Front Cover Cleaning and Inspection

    Object Number: 637682 Size: SH
  1. Clean the engine front cover with cleaning solvent.

    2. Important: Do not use a motorized tool or bristle disc to clean this component.

  2. Remove all sealing material.
  3. Inspect the engine front cover sealing surfaces for nicks or damage. Use a fine flat file to remove any minor nicks.
  4. Inspect the engine front cover threaded holes for damage.
  5. Repair or replace the engine front cover as necessary.