Belt Tensioner Leaking Mazda S Cx30

I took my car in for the annual state inspection, and despite me often looking over the car carefully, they did find a small oil leak on the belt tensioner

I just want to warn everyone here to inspect your belt tensioner regularly as it can leak and costs >$100 So, since it was the easy thing. Description some vehicles may exhibit oil leakage from the drive belt auto tensioner and rattling noises from the engine compartment This may be caused by insufficient sealing at the drive belt auto tensioner damper when the auto tensioner fully operates under both high ambient temperature and high load conditions To eliminate this concern, the shape of the drive belt auto tensioner damper. We purchased this as a mazda certified vehicle in sept 2020

The regular certified warranty had expired. The car has about 40,700 miles on it They called and said that the drive belt tensioner is leaking and suggested to replace it Also, suggested to replace the serpentine belt Do the tensioners go out so early 2014 mazda3 with 120k on it and i am the 3rd owner

Been owning it since march 2023

| recently got it serviced from a mazda dealership and they recommended that i change the belt tensioner cos its leaking? A local shop performed the work, installing a new ina tensioner, a napa serpentine belt, and an oem water pump belt Since the replacement, i've noticed two issues