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Home >> Chevrolet >> 2011 >> Impala LS, 3.9 M >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 3 (Engine Mechanical - 3.5L - Repair Instructions - Off Vehicle (2 Of 3)) >> Valve Rocker Arm and Push Rod Installation

Valve Rocker Arm and Push Rod Installation

WARNING: This page is about a different variant/trim than selected.
    Fig 1: Identifying Intake Manifold Gaskets & Seals
    GM1557681Courtesy of GENERAL MOTORS CORP.
    NOTE: All gasket mating surfaces must be free of oil and foreign material. Clean surfaces. Refer to Adhesives, Fluids, Lubricants, and Sealers for recommended cleaner.
    NOTE: Room temperature vulcanizing (RTV) sealer is not to be placed under the lower intake manifold gaskets.
  1. Install the lower intake manifold gaskets.
  2. Fig 2: Identifying Valve Rocker Arm & Bolt
    GM1557679Courtesy of GENERAL MOTORS CORP.
  3. Coat the ends of the push rods using prelube. Refer to Adhesives, Fluids, Lubricants, and Sealers for recommended lubricant.
  4. NOTE: The intake valve push rods measure 147.51 mm (5.81 in) and the exhaust valve push rods measure 154.87 mm (6.1 in) in length.
  5. Install the push rods in their original location.
  6. Coat the rocker arm friction surfaces using prelube. Refer to Adhesives, Fluids, Lubricants, and Sealers for recommended lubricant.
  7. NOTE: Shims (P/N 88894006) may be required under the valve rocker arm pedestals if reconditioning has been performed on the cylinder head or its components.
  8. Install the valve rocker arms in their original positions.
  9. CAUTION: Refer to Fastener Caution .
    NOTE: Thoroughly clean the fastener and tapped hole prior to installation.
  10. Install the valve rocker arm bolts. Tighten the valve rocker arm bolts to 34 N.m (25 lb ft).