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Home >> GMC >> 2021 >> Acadia SL >> Repair and Diagnosis >> Engine Mechanical >> Engine Mechanical - 2.5L (LCV) >> Repair Instructions >> Valve Rocker Arm Replacement (Intake) >> Installation Procedure

Installation Procedure

  1. Lubricate the valve tips. Refer to Adhesives, Fluids, Lubricants, and Sealers .
    GM1825091Courtesy of GENERAL MOTORS COMPANY
  2. Lubricate the roller bearings with valve rocker arm lubricant. Refer to Adhesives, Fluids, Lubricants, and Sealers .
    GM2963895Courtesy of GENERAL MOTORS COMPANY
    NOTE:
    • Used rocker arms must be returned to the original position on the camshaft. If the camshaft is being replaced, the rocker arms actuated by the camshaft must also be replaced.
    • Pre-oil roller bearings before installation.
  3. Position the valve rocker arm (1) on the tip of the valve stem and on the lash adjuster and lubricate. Refer to Adhesives, Fluids, Lubricants, and Sealers .
  4. Install the camshaft position actuator and camshaft - intake. Refer to Camshaft Position Actuator and Intake Camshaft Replacement .