GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2003 🢒 TrailBlazer - 2WD 🢒 Engine 🢒 Engine Mechanical - 4.2L 🢒 Engine Front Cover Removal

    Object Number: 637779 Size: SH
  1. Remove the 7 mm center bolt (1) first.
  2. Remove the engine front cover bolts.
  3. Remove the engine front cover.

    4. Object Number: 637777 Size: SH
  4. Remove the spacer bolt.
  5. Remove the crankshaft balancer friction washer from the crankshaft snout.