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Home >> Chevrolet >> 2018 >> Trax Premier, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1 (Engine Mechanical - 1.4L (LE2)) >> Repair Instructions - Off Vehicle >> Cylinder Head Cleaning and Inspection >> Cylinder Head Deck Flatness Inspection

Cylinder Head Deck Flatness Inspection

WARNING: This page is about a different car, the 2018 Buick Encore. However, it is still accessible from the selected car via links, so may be relevant.
  1. GM3618268

    Ensure the cylinder head decks are clean and free of gasket material.

  2. Inspect the surface for any imperfections or scratches that could inhibit proper cylinder head gasket sealing.
  3. Using a straight-edge placed diagonally across the deck surface, measure the cylinder head deck surface for flatness using a feeler gauge. Refer to Engine Mechanical Specifications .
  4. If the cylinder head deck flatness is more than the specified amount, replace the cylinder head.
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