FixVault
Home › Kia › 2005 › Optima EX, 2.4 6 › Repair and Diagnosis › Engine Mechanical › Lubrication System › 2.4L 4-Cylinder Engine › Main Moving System › Piston › Installation

Main Moving System: Piston: Installation

  1. Install the spacer.
    Fig 1: Installing Spacer
    G00326830Courtesy of KIA MOTORS AMERICA, INC.
  2. Install the upper side rail. To install the side rail, first put one end of the side rail between piston ring groove and spacer, hold it down firmly, and then press down the portion which is to be inserted into groove with a finger as shown in illustration.
    NOTE: Do not use piston ring expander when installing the side rail.
    Fig 2: Installing Side Rail
    G00326831Courtesy of KIA MOTORS AMERICA, INC.
  3. Install the lower side rail by same procedure as Step 2.
  4. Using piston ring expander, install No. 2 piston ring.
    Fig 3: Installing Piston Rings
    G00326832Courtesy of KIA MOTORS AMERICA, INC.
  5. Install No. 1 piston ring.
  6. Apply engine oil around piston and piston rings.
  7. Position each piston ring end gap as far apart from neighboring gaps as possible. Make sure that gaps are not positioned in thrust and pin directions.
    Fig 4: Identifying Piston Ring Gap Installed Position
    G00326833Courtesy of KIA MOTORS AMERICA, INC.
  8. Hold piston rings firmly in a piston ring compressor as they are inserted into cylinder.
About FixVault