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Home >> Chevrolet >> 2014 >> Malibu LS >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical - 2.0L (LTG) Or 2.5L (LKW) - Repair Instructions - Off Vehicle >> Repair Instructions - Off Vehicle >> Cylinder Boring and Honing >> Deglazing Procedure

Deglazing Procedure

  1. If the bore is glazed but otherwise serviceable, lightly break the glaze with a hone. Replace the piston rings. Refer to Piston, Connecting Rod, and Bearing Installation .
    2. NOTE:

    A 240-grit stone is preferred for final honing. If a 240-grit stone is not available, a 220-grit stone may be used as a substitute.

  2. Using a ball type or self centering honing tool, deglaze the cylinder bore lightly. Deglazing should be done only to remove any deposits that may have formed. Use a 240-grit stone of silicone carbide, or equivalent, material when preforming the deglazing procedure.
    1. The honing stones must be clean, sharp, and straight.
    2. Move the hone slowly up and down to produce a 45 degree cross-hatch pattern.
    3. Clean the bore thoroughly with soap and water.
    4. Dry the bore.
    5. Rub clean engine oil in the bore.
    6. Re-measure the bore.
  3. If the cylinder bore is out of specification, the cylinder bore may be oversized to 0.25 mm (0.010 in). There is only one size of oversized pistons and rings available for service.
  4. If honing is not required, clean the cylinder bores with hot water and detergent. Apply clean engine oil to the bore after washing and drying the bore.
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