GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2007 🢒 TrailBlazer - 2WD 🢒 Engine 🢒 Engine Mechanical - 4.2L 🢒 Valve Rocker Arm and Hydraulic Valve Lash Adjuster Installation

    Object Number: 637608 Size: SH
  1. Lubricate and fill the valve lash adjusters with engine oil.
  2. Install the valve lash adjusters in their original locations.

    3. Object Number: 637609 Size: SH
  3. Lubricate the valve rocker arm roller, needle bearings, valve pallet, and lash adjuster pocket.
  4. Install the valve rocker arms in their original locations.