Special Tools Required Valve guide driver, 5.5 mm 07742-0010100 Valve guide reamer, 5.525 mm 07HAH-PJ70100 Inspect valve stem-to-guide clearance. As illustrated, use a commercially available air-impact valve guide driver (A) modified to fit the diameter of the valve guides. In most cases, the same procedure can be done using the special tool and a conventional hammer. Select the proper replacement guides, and chill them in the freezer section of a refrigerator for about an hour. |