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Home >> GMC >> 2016 >> Terrain SL, Gas >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 18 (Engine Mechanical - 3.6L (LFX) - Repair Instructions - Off Vehicle) >> Repair Instructions - Off Vehicle >> Engine Front Cover Cleaning and Inspection >> Inspection Procedure

Inspection Procedure

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    Fig 1: Exterior Of Engine Front Cover Inspection Locations
    GM2220325Courtesy of GENERAL MOTORS COMPANY
  1. Inspect the exterior of the engine front cover for the following conditions:
    • Damage to the water pump bolt hole threads (7)
    • Gouges or damage to the water pump sealing surfaces (6)
    • Damage to the crankshaft front oil seal bore (5)
    • Damage to the camshaft position actuator valve oil seal bores (1)
    • Damage to the engine front cover bolt holes (2)
    • Damage and/or corrosion to the engine coolant passage (3)
    • Dents or damage to the exterior (4)
  2. Fig 2: Interior Of Engine Front Cover Inspection Locations
    GM2220326Courtesy of GENERAL MOTORS COMPANY
  3. Inspect the interior of the engine front cover for the following conditions:
    • Gouges or damage to the engine front cover sealing surfaces to the engine block (6), oil pan (4), and/or camshaft covers (2)
    • Damage and/or corrosion to the engine coolant passage (5)
    • Damage to the crankshaft front oil seal bore
    • Gouges or damage to the O-ring sealing areas
    • Gouges or damage to the water pump seal area (3)
    • Damage to the engine front cover bolt holes (1)
  4. Repair or replace the engine front cover as necessary.