![]() If you feel a ridge, the valve stem is worn and should be replaced. Step 2: Run a fingernail or credit card along the valve stem once you have cleaned it.It there are stubborn deposits, clean the valve with a wire brush and solvent, soaking the parts for several hours if necessary, to loosen hardened grit. ![]() The pattern around the face should be even with the valve head and of equal thickness all the way around. Step 1: Check the valve face for an irregular seating pattern.NOTE: Always wear safety eyewear when removing and installing valves. Hard deposits on either valve suggest burning oil, which has several possible causes.įollow the steps below to check for the most likely sources of engine valve problems. ![]() Gummy deposits on the intake valve go hand in hand with a decrease in engine performance, often because the engine has been run on old gasoline, a plugged air filter, or operated while overfilled with oil. Residue on the valves may help you identify a specific engine problem. Before trying to repair your valves, look them over carefully. ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |