GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2003 🢒 TrailBlazer - 2WD 🢒 Engine 🢒 Engine Mechanical - 4.2L 🢒 Crankshaft Balancer Cleaning and Inspection

    Object Number: 856228 Size: SH
  1. Inspect the crankshaft balancer sealing area for grooves, nicks, or burs (1).
  2. Inspect the crankshaft balancer belt ribs for dents or damage (2).
  3. Replace the crankshaft balancer if damage is present.