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Home >> Kia >> 2005 >> Optima EX, 2.4 6 >> Repair and Diagnosis >> Engine Mechanical >> Lubrication System >> 2.4L 4-Cylinder Engine >> Main Moving System >> Piston >> Removal >> Piston Pin

Piston Pin

  1. Use the special tools (09234-33001), to disassemble and reassemble the piston and connecting rod.
    Fig 1: Identifying Special Tools (09234-33001)
    G00326824Courtesy of KIA MOTORS AMERICA, INC.
  2. Place the proper insert in the fork of the tool. Position the insert between the connecting rod and the piston.
  3. Insert the proper tool for removal through the hole in the arch of the tool.
    NOTE: Center the piston, rod and pin assembly with the removal arbor.
    Fig 2: Centering Piston, Rod & Pin Assembly Using Removal Arbor
    G00326825Courtesy of KIA MOTORS AMERICA, INC.
  4. Press the piston pin out of the connecting rod.
  5. Install proper pin guide (as shown in illustration) through piston and into connecting rod. Hand tap pin guide into piston for proper retention. Drop piston pin into the other side of the piston.
    Fig 3: Installing Piston Pin (1 Of 2)
    G00326826Courtesy of KIA MOTORS AMERICA, INC.
    NOTE: The pin guide centers the connecting rod in the piston. When the piston, connecting rod, piston pin and pin guide assembly are positioned on the fork of the tool, the pin guide will also center this assembly in the tool. If a pin guide that is too small is used, the piston assembly will not be located centrally in the tool, and damage may occur to the fork and/or the insert of the tool.
  6. Install the piston assembly onto the fork assembly of tool. The tool will support connecting rod at the piston pin. Be sure the piston assembly is slid onto the fork until the pin guide contacts the fork insert.
    Fig 4: Installing Piston Pin (2 Of 2)
    G00326827Courtesy of KIA MOTORS AMERICA, INC.
  7. Adjust the installing arbor to the proper length by turning the numbered sleeve on the lettered shaft until the specified alpha numeric setting from the application chart shown in illustration is obtained. Turn knurled nut to lock numbered sleeve on shaft.
  8. Insert the installing arbor through the hole in the arch of the tool. Press the piston pin into the connecting rod until the sleeve on the installing arbor contacts the top of the tool arch. The pin guide will fall out of the connecting rod as the piston pin is pressed in.
    CAUTION: Do not exceed 5000 pounds of force when stopping the installing arbor sleeve against the arch.
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