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Home >> Cadillac >> 2016 >> SRX Base >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical - 3.0L (LFW) Or 3.6L (LFX) - Repair Instructions - Off Vehicle >> Repair Instructions - Off Vehicle >> Valve and Seat Grinding >> Valve Visual Inspection Procedure

Valve Visual Inspection Procedure

    Fig 1: Inspection Points For Valves Damage
    GM156174Courtesy of GENERAL MOTORS COMPANY
  1. Inspect the valve for damage from the head to tip for the following conditions:
    • Pitting in the valve seat area (1)
    • Lack of valve margin (2)
    • Bending in the valve stem (3)
    • Pitting or excessive wear in the stem (4)
    • Worn valve key grooves (5)
    • Worn valve tip (6)
  2. Replace the valve if any of these conditions exist.
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