LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2019 >> Spark ACTIV, Standard Trans >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical - 1.0L (L5Q) Or 1.4L (LV7) - Repair Instructions - Off Vehicle >> Repair Instructions - Off Vehicle >> Engine Block Cleaning and Inspection >> Measuring Cylinder Bore Out-of-Round

Measuring Cylinder Bore Out-of-Round

  1. Measure both the thrust and non-thrust cylinder diameter at 10 mm (0. 397 in) below the deck. Record your measurements.
  2. Calculate the difference between the 2 measurements. The result will indicate out-of-round at the upper end of the cylinder.
  3. Measure both the thrust and non-thrust cylinder diameter at 100 mm (3. 976 in) below the deck surface. Record your measurements.
  4. Calculate the difference between the 2 measurements. The result will indicate out-of-round at the lower end of the cylinder.
  5. Compare your results with the Engine Mechanical Specifications (L5Q) , or Engine Mechanical Specifications (LV7) . If the cylinder bores exceed these specifications, the engine block must be replaced.
scientia non olet · About LEMON Manuals