GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2005 🢒 TrailBlazer - 2WD 🢒 Engine 🢒 Engine Mechanical - 5.3L 🢒 Valve Lifter Installation

    Object Number: 1402040 Size: SH

    Important: 

       • When using the valve lifters again, install the lifters to their original locations.
       • If camshaft replacement is required, the valve lifters must also be replaced.
       • Each of the 4 valve guide assemblies will contain 2 displacement on demand valve lifters and 2 non-displacement on demand valve lifters.
       • With the lifters and guides properly installed, cylinders 1, 4, 6, and 7 lifter bores will each contain 2 displacement on demand valve lifters.

  1. Lubricate the valve lifters (209, 219) and engine block valve lifter bores with clean engine oil.

    2. Object Number: 1402044 Size: SH
  2. Insert the valve lifters into the lifter guides.
    3. • Align the flat area (3) on the top of the non displacement on demand lifter with the flat area in the lifter guide bore. Push the lifter completely into the guide bore.
    • The displacement on demand lifters (4) are to be installed into the guide, with the notch in the guide (1) aligned with the raised area (2) of the lifter.

    Object Number: 1402039 Size: SH
  3. Install the valve lifters and guide assembly (210) to the engine block.

    4. Notice: Refer to Fastener Notice in the Preface section.

  4. Install the valve lifter guide bolts (211).

    5. Tighten
    Tighten the valve lifter guide bolts to 10 N·m (89 lb in).