GM Service Manual Online
For 1990-2009 cars only

Valve Rocker Arm and Push Rod Installation 7.0L


    Object Number: 1552510  Size: SH

    Important: 

       • When using the valve train components again, always install the components to the original location and position.
       • Valve lash is net build, no valve adjustment is required.

  1. Lubricate the valve rocker arms and pushrods with clean engine oil.
  2. Lubricate the flange of the valve rocker arm bolts with clean engine oil.
  3. Important: Ensure the pushrods seat properly to the valve lifter sockets.

  4. Install the pushrods (212).

  5. Object Number: 1552511  Size: SH

    Important: 

       • Ensure the pushrods seat properly to the ends of the rocker arms.
       • DO NOT tighten the rocker arm bolt at this time.

  6. Install the rocker arms (213) and bolts (214). Note the locations of the intake (1) and exhaust (2) valve rocker arms. The intake rocker arms (1) have an offset design.

  7. Object Number: 1552503  Size: SH
  8. Rotate the crankshaft until number 1 piston is at top dead center of compression stroke.
  9. In this position, cylinder number 1 rocker arms will be off lobe lift, and the crankshaft sprocket key will be at the 1:30 position. The camshaft and crankshaft sprocket alignment marks (1, 2) will be in the 12 o'clock positions. If viewing from the rear of the engine, the additional crankshaft pilot hole, non-threaded, will be in the 10:30 position.

    The engine firing order is 1, 8, 7, 2, 6, 5, 4, 3.

    Cylinders 1, 3, 5 and 7 are left bank.

    Cylinders 2, 4, 6, and 8 are right bank.

    Notice: Refer to Fastener Notice in the Preface section.

  10. With the engine in the number 1 firing position, tighten the following valve rocker arm bolts:
  11. Tighten

        • Tighten exhaust valve rocker arm bolts 1, 2, 7, and 8 to 30 N·m (22 lb ft).
        • Tighten intake valve rocker arm bolts 1, 3, 4, and 5 to 30 N·m (22 lb ft).
  12. Rotate the crankshaft 360 degrees.
  13. Tighten the following valve rocker arm bolts:
  14. Tighten

        • Tighten exhaust valve rocker arm bolts 3, 4, 5, and 6 to 30 N·m (22 lb ft).
        • Tighten intake valve rocker arm bolts 2, 6, 7, and 8 to 30 N·m (22 lb ft).