I did a year ago, and they sent me a new tensioner. Check the grooves out on the guides. They haven't worn through the rubber coating, but the chain is definetly making constant contact. Is it normal? I don't know if the chain is supposed to make constant contact. I thought they were supposed to keep the chain from hitting the timing cover during start and/or rapid acceleration, not constantly.

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86' 4Runner, Manual 22RE, Grey SR5
05' 4Runner 4WD Sport, Silver