Valve Guide

Using the SST (09221 - 3F100A), withdraw the old valve guide toward the bottom of cylinder head.

Fig 1: Removing Old Valve Guide Using SST (09221 - 3F100A)
Courtesy of KIA MOTORS AMERICA, INC.
Recondition the valve guide hole of cylinder head so that it can match the newly press-fitted oversize valve guide.
Using the SST (09221-3F100A, 09221-26000), press-fit the valve guide. The valve guide must be press-fitted from the upper side of the cylinder head. Keep in mind that the intake and exhaust valve guides are different in length.
Valve guide length

Intake : 36.3 ~ 36.7mm (1.4291 ~ 1.4449in)

Exhaust : 40.8 ~ 41.2mm (1.6063 ~ 1.6220in)

Fig 2: Pressing Valve Guide Using SST (09221-3F100A, 09221-26000)
Courtesy of KIA MOTORS AMERICA, INC.
After the valve guide is press-fitted, insert a new valve and check for proper stem-to-guide clearance.
After the valve guide is replaced, check that the valve is seated properly. Recondition the valve seats as necessary.

VALVE GUIDE OVERSIZE

VALVE GUIDE OVERSIZE SPECIFICATION

Item	Oversize [mm (in)]	Size mark	Valve guide hole inner diameter [mm (in)]	Valve guide outer diameter [mm (in)]	Valve guide protrusion height [mm (in)]
Valve guide	STD	-	11.000 ~ 11.018 (0.4331 ~ 0.4338)	11.050 ~ 11.060 (0.4350 ~ 0.4354)	12.8 (0.5039)
	0.05 (0.002) OS	5	11.050 ~ 11.068 (0.4350 ~ 0.4357)	11.100 ~ 11.110 (0.4370 ~ 0.4374)
	0.25 (0.010) OS	25	11.250 ~ 11.268 (0.4429 ~ 0.4436)	11.300 ~ 11.310 (0.4449 ~ 0.4453)
	0.50 (0.020) OS	50	11.500 ~ 11.518 (0.4528 ~ 0.4535)	11.550 ~ 11.560 (0.4547 ~ 0.4551)