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belt tensioner

  1. K

    Serpentine Belt Tensioner Rattling

    Hi all, does anyone have any ideas on a fix for this? My belt tensioner is chattering/rattling, only at idle while in Drive, i.e stopped at lights. Rattling stops when you rev up or drive. Seems load related on the engine. I have tried 3 different tensioners. All made the same or similar...
  2. M

    For Sale Belt Tensioner and Belt 2018 3.5NA

    Funny story. Belt was squeaking. Bought new belt and tensioner. Turns out waterpump was leaking on belt making it squeal. Dealer replaced everything including the belt and tensioner, so I have these available. New, bag opened for inspection. For 2018 Limited with the 3.5NA and HD alternator...
  3. D

    96 Ford Explorer: Belt tensioner gone bad- is it worth it?

    Hi, Looking for some advice, issues have piled up a bit and I'm thinking of selling my 1996 Ford Explorer Sport; but not sure it's necessary. For awhile I heard a 'chirping' sound which I assume was from the serpentine belt, so I bought a new one to replace it. Before I could even replace it...
  4. P

    ‘12 just serviced- noise on drive belt

    Hello we just had our ‘12 XLT serviced for noise on drive belt- chattering visible on the belt tensioner. The belt tensioner was hitting the stop as if belt is too long or load too much worse when ac compressor engaged and power steering pump cycling. The Service tech diagnostic check indicated...
  5. N

    4.6L engine knock after new belt tensioner

    2003 Merc Mountaineer Premier 4.6 The engine was knocking about 3 weeks ago and it was determined the belt tensioner failed so i changed that. I didn’t change the belt at that time. Now a few weeks later the engine is knocking but I can’t ID where it’s coming from. Its definitely a knock (not a...
  6. P

    Belt Tensioner

    Broke off while driving. Replaced the entire belt tensioner assembly. Just replaced the belt itself less than 4 months ago. Didn't think I need to replace the belt...but, how would one tell that it needs to be replaced? Also...the 95 Ford Explorer OHV with 127,000 mi on it...has trouble...
  7. I

    Idler Pulley - Tensioner Pulley?

    Hi Gang. I stop in here once in a while for tech advice (usually lurking) and I need some help. Are there TWO seperate parts between the Idler Pulley and The Tensioner Pulley? I exploded a pulley last night on the way home, and while I have not taken a close look yet, I'm wondering if these...
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