Valve Guides
- Remove carbon and varnish deposits from inside of valve guides with a reliable guide cleaner. A small piece of hose may be used to hold valve in place. Attach dial indicator Tool C-3339 to cylinder head and set it at right angle of valve stem being measured
- Measure valve stem-to-guide clearance as follows:
- Install valve into cylinder head so it is 15 mm (0.590") off the valve seat.
- Attach dial indicator Tool C-3339 to cylinder head and set it at right angle of valve stem being measured.
- Move valve to and from the indicator. For clearance specifications see SPECIFICATIONS .NOTE: Replace cylinder head if stem-to-guide clearance exceeds specifications, or if guide is loose in cylinder head.