Subaru timing belt idler pulley noise. 3s-fe timing belt tensioner torque spe...
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Subaru timing belt idler pulley noise. 3s-fe timing belt tensioner torque spec? Michael Stuckart Toyotaholics 9y · Public Doing a timing belt job on a 3s-FE, trying to double check the tensioner torque spec. On a drive belt system, the tensioner pulley is spring loaded to maintain proper tension and alignment of the serpentine belt. These Subaru timing belt idler pulley bearings are a common problem and I was not surprised to see the cause of this engine noise when I removed the front cover. The labor overlap is significant, and a failing water pump means repeating much of the same work. If it's jumped time you will lose power and run poorly. 3 days ago · Don’t buy Subaru timing belt kits off Amazon. A bad tensioner or idler pulley on the timing belt will make the grinding sound. Were you not running a timing belt cover? A timing belt “kit” is usually the smartest choice. That’s normal, no matter which of these common causes is the root of the problem. It’s also highly recommended to replace the water pump simultaneously if it’s driven by the timing belt. Get one through iag or another credible source. Feb 28, 2005 · Advice on Noisy Timing Belt Pulleys By dirkfabian, February 28, 2005 in 1990 to Present Legacy, Impreza, Outback, Forester, Baja, WRX&WrxSTI, SVX A misaligned or poorly functioning idler pulley can cause the belt to rub, leading to premature wear and potential belt failure. Gates continues to add coverage to this growing market segment. Jan 13, 2026 · Also change the drive belt pulley it has a clutch and they wear out around 320,000km do the drive pulley,idler pulley ,idler tensioner pulley all at the same time . Dec 7, 2023 · Personally, I'd change the idler pulleys, tensioner, and belt before I changed the A/C compressor. . Its recommended to change the belt tensioner and belt at the same time. Since it's still running, it's likely worth it to put a new belt and any pulleys, as well as a water pump on it. Oct 1, 2014 · get one of these cheap things and it'll be obvious in about 15 seconds: Mechanic's Stethoscope touch the middle bolt of the idler/tensioner pulleys touch the a/c and alternator close to the pulley or on the pulley if the a/c clutch isn't on/operating. If you find a code for a cam sensor, it's a pretty good indication there is a timing issue. Also don't appear to be getting all the slack out of the Gates Micro-V Stretch Fit Belts, with exclusive self-tensioning technology, fit like a glove and perform properly on unique stretch fit drive systems. Causes of Noisy Idler Pulleys In many cases, bad idler pulley symptoms come on slowly and progressively get worse. Idler Pulley The idler pulley is bolted on the engine and serves as a guide to wrap the timing belt in the correct direction. These kits typically include the new timing belt, tensioner, and idler pulleys. Appears there is more going on with this motor going by the fact the pulley is painted. My manual says 32 ft/lbs but that is the same as the standard idler pulley, so I am concerned i have the wrong spec. if it's that loud, one of those will sound notably grinding and loud, much louder than the rest.
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