What do the timing marks mean on a 1995 Nissan Quest?

The timing marks on a 1995 Nissan Quest indicate the correct alignment of the engine's crankshaft and camshaft for proper timing of the engine's valves. These marks help ensure that the engine operates smoothly and efficiently by coordinating the opening and closing of the valves with the movement of the pistons. Correctly aligning these marks during maintenance or repairs is crucial to avoid engine misfires or damage. Always refer to the vehicle's service manual for specific instructions on aligning the timing marks.