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Home >> Chevrolet >> 2011 >> Impala LS, 3.9 M >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 6 (Engine Mechanical - 3.5L - Repair Instructions - On Vehicle) >> Valve Rocker Arm and Push Rod Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different variant/trim than selected.
    Fig 1: Identifying Valve Rocker Arm & Bolt
    GM1557679Courtesy of GENERAL MOTORS CORP.
  1. Coat the ends of the pushrods using prelube. Refer to Adhesives, Fluids, Lubricants, and Sealers .
  2. Install the pushrods.
    • The intake push rods measure 147.51 mm (5.81 in).
    • The exhaust push rods measure 154.87 mm (6.1 in).
  3. Ensure that the pushrods seat in the lifter bore.
  4. Coat the rocker arm friction surfaces using prelube. Refer to Adhesives, Fluids, Lubricants, and Sealers .
    5. NOTE: Shims (88894006) may be required under the valve rocker arm pedestals if reconditioning has been performed on the cylinder head or its components.
  5. Install the rocker arms.
  6. Install the rocker arm bolts. Refer to Valve Rocker Arm and Push Rod Installation .
  7. Install the valve rocker arm cover(s). Refer to Valve Rocker Arm Cover Replacement - Left Side  or Valve Rocker Arm Cover Replacement - Right Side .
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