Valve Guide: Service and Repair

VALVE GUIDE REPLACEMENT PROCEDURES
The valve guide is installed using a press fit. Using a Valve Guide Installer (09221 - 22000) or suitable tool, replace the valve guide described in the following procedure.





1. Using the Valve Guide installer push rod, push the valve guide out toward the cylinder block with a press.
2. Machine the valve guide insert hole in the cylinder head to the specified oversize of the new valve guide.





3. Using the Valve Guide Installer adaptor (09222 - 29000) and Valve Guide installer or suitable tool, press fit the valve guide.
3. Using the valve guide installer makes it possible to press fit the valve guide to a predetermined height. Install the valve guide from the top of the cylinder head , note that intake and exhaust valve guides differ in length (42.7 mm [1.68 inch] for intake and 39.1mm [1.54 inch] for exhaust).
4. After installing the valve guides, insert new valves and check the clearance.
5. Whenever valve guides are replaced, check for valve-to-seat contact, and recondition the valve seats as necessary.