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Home >> GMC >> 2018 >> Terrain Denali, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Engine Mechanical - 1.5L (LYX)) >> Repair Instructions - Off Vehicle >> Cylinder Head Cleaning And Inspection >> Valve Rocker Arm Cleaning and Inspection

Valve Rocker Arm Cleaning and Inspection

WARNING: This page is about a different variant/trim than selected.
    Fig 1: Inspecting Valve Rocker Arms
    GM483134Courtesy of GENERAL MOTORS COMPANY
  1. Inspect the camshaft follower roller (1) for the following:
    • Flat spots
    • Excessive scoring and pitting
    • Ensure the roller spins freely
  2. Inspect the camshaft follower valve tip area (2).
  3. Inspect the camshaft follower stationary hydraulic lash adjuster (SHLA) pivot area (3).
  4. Replace the camshaft follower or followers as necessary.