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The 2019 Subaru Outback uses a timing chain instead of a timing belt because it mainly has interference engines. This chain is like a reinforced band with grooves or notches on its inner side, connecting the engine's crankshaft to the camshaft. The timing chain is crucial in coordinating the movement of many of the pistons and valves in the vehicle, syncing the opening and closing cycles of the valves with the belt's grooves. If you notice a ticking sound from the engine or have trouble starting it while under the hood, chances are you have a faulty or worn-out timing chain.
The 2019 Subaru Outback 2.5L is furnished with a timing chain.