Join Date: Jan 2007
Location: Fort Worth, TX
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I thought, hmmm...traditionally, Mazda hasn't ever used a hydraulic tensioner on their drive/serpentine belts. So, I went and peeked under the hood of my 2.5l MZ3.
Indeed, still looks like they're still using a mechanical tensioner, but I see now what must be the source of your leak - a small strut on the tensioner.
I would wager the damper likely serves as a supplemental role, only prolonging the life of the tensioner and bearings on the belt circuit, or perhaps also to reduce NVH as well. Overall, I wouldn't consider it a critical component at all.
Hope these suckers aren't prone to failing.
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2013 Ford Taurus SHO, 402A, Perf Pkg, Livernois Tuned
2013 Mazda CX-5 Touring w/ Tech
2002 Dodge Neon SXT
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