Yes, but the ignition belt, not the A/C or other belt.
A valve was replaced and we dont mark the valves and crankshaft pulleys.
Then I need a diagram to instal timing belt and valve clearence
here ya go
ah ok the marks are easy line the notchs on the pulley with the notch on head and the crank line the two arrows up. the first pic is the crank the second is the cams