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Kohler 25 stripped head bolt hole

Discussion in 'Mechanic and Repair' started by brianpti, May 27, 2007.

  1. brianpti

    brianpti LawnSite Member
    Messages: 2

    It looks like it's a insert or sleeve,it sticks up about a 1/4 inch. how do i get it out to replace?
  2. EMJ

    EMJ LawnSite Member
    Messages: 200

    It sounds like a heli coil. Sometimes you can pull it out kinda like a spring, and you can replace it with the same one. But usually you need to re-tap and replace it with a bigger one and a larger bolt. If it is a heli coil.
  3. Restrorob

    Restrorob LawnSite Fanatic
    Messages: 11,029

    That sleeve is for alignment of the head to the cylinder block, Why do you want to replace it ? There are not supposed to be threads on the inside of this sleeve, The head bolt threads start below this sleeve.

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