Procedure For Replacement Of Valve Guide

As the valve guide is tightly pressed in, replace the valve guide as following procedure, using the valve guide installer or appropriate tools.

1. Using the push rod of the valve guide installer, push it out of initial position by pushing it to the cylinder block side.
2. Machine insert hole of the cylinder head valve guide in the size of oversize valve guide.
3. Press in the valve guide using the valve guide installer or appropriate tools. By using the valve guide installer, it can be pressed in the specified height.
   Fig 1: Pressing In The Valve Guide

   Courtesy of KIA MOTORS AMERICA, INC.
4. Valve guide is to be installed from the upside of the cylinder head.

   As length of the intake valve guide is different from that of the exhaust valve guide, be careful. (The lengths of guide for intake valve and exhaust valve are 45.5 mm and 50.5 mm respectively.)

   After installing the valve guide, insert the new valve and check sliding state.

5. When the valve guide is replaced, inspect for valve contact state. If necessary, adjust the valve seat.
Fig 2: Measuring Lengths Of Guide For Intake & Exhaust Valves
Courtesy of KIA MOTORS AMERICA, INC.
Fig 3: Valve Guide Insert Oversize Table
Courtesy of KIA MOTORS AMERICA, INC.