Cylinder Head - Inspection (Cont'd) / Valve Guide Replacement
EM-173prose procedureUnverifiedInspection (Cont'd)
Valve Guide Replacement
- 1To remove valve guide, heat cylinder head to 150 to 160°C (302 to 320°F).
SEM008A - 2Drive out valve guide with hammer and suitable tool.
SEM094B - 3Ream cylinder head valve guide hole. (at room temperature)Valve guide hole inner diameter (For service parts): 12.200 - 12.211 mm (0.4803 - 0.4807 in)
- 4Heat cylinder head to 150 to 160°C (302 to 320°F) and press service valve guide onto cylinder head.
![Pressing the service valve guide onto the cylinder head. Dimension callout '14.7 - 15.3 mm (0.579 - 0.[?]02 in)' indicating press-in projection height.](/images/page-0289_fig3.png)
SEM542 - 5Ream valve guide. (at room temperature)Finished size (inner diameter): 7.005 - 7.020 mm (0.2758 - 0.2764 in)
SEM541