pulley

  1. Denali Z

    2008 Yukon pulley noise

    High pitched whining from the front belt area. Had alternator tested, test came back good. I am planning on replacing the idler/tensioner pulleys but curious if I can replace just the pulley on the alternator? Every part store in my area does not sell one and have to buy the full alternator. Any...
  2. iboughtatahoe23

    What you guys think of this new pulley? Some tread marks on it already?

    New pulley, got some track marks already. And the belt has this strange dimple. Is this a defective belt?
  3. iboughtatahoe23

    Pulley question on 2014 Tahoe

    I was changing idler pulley on the 5.3 vortec, new pulley didn’t come with new screw, mount or shim, so I had to use the screw mount and shim from the old pulley. The new pulley(duralast) isn’t exactly identical to the old one(ACDelco) but I was assured it’s the correct one by AutoZone. I went...
  4. E

    1999 Yukon Valve cover removal help

    I am replacing the gasket on my valve covers. The driver side(left) does not come out easily. The A/C, PS mount in front of it overlaps the valve cover and it needs to be unfastened and pulled away about an inch from the heads in order to get the valve cover out. I have removed from the mount...
  5. F

    Pulley, Lifter, AC Compressor Clutch Issue

    Having issue with the noise in the car. There is noise when at idle, when i speed up you cannot hear it as much because of ac and engine. I have changed the serpentine belt and pulley. Still noise. Took to mechanic, he couldn't figure it out. He changed out the oil and sprayed the belt with...
  6. OKYukon02

    2002 5.3 Crank appears to wobble at idle

    Greetings everyone, and happy Easter if you observe it! Just picked up another Yukon. Also a 2002 like my first. After taking off the splash shield to change the oil, starting it up and checking to ensure no leak, I noticed the crank pulley appears to “wobble”. I can’t tell if it’s an optical...

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