Grinding noise video attached
Hello names Mike,
been happening for a couple days now and I can't find a solution namely because of my description of the noise doesn't really help anyone via text. Please watch the video and excuse the volume or lighting and the mess behind me Haha! Not a video editor just used my phone. Any insight would be wonderful. Thank you! https://m.youtube.com/watch?v=ZZguKPvuyYo |
Sounds like it could be a failing pulley, or bearing attached to one of the peripherals, such as the alternator, etc...
You could take the belt off, and try to spin some of the pulleys by hand, to see if you can produce the sound. |
One of my buddies at the motor pool said it sounds like a bearing on a pulley so that's 2 people saying pulley bearings I think you guys are on to something! Thanks my dude
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Originally Posted by Mikesawce
(Post 10977793)
One of my buddies at the motor pool said it sounds like a bearing on a pulley so that's 2 people saying pulley bearings I think you guys are on to something! Thanks my dude
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Somethings getting rattled. It's intermittent so I doubt it's a pulley. When the rpm's fluctuate is probably when it rattles. If it is a pulley, I bet it's the a/c clutch.
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99% confident it's a bearing running off the accessory belts. As previously suggested, your best bet is to remove the belts and try each accessory by hand, if you notice any of the bearings spinning loose, that's most likely your issue. The pulley bearings should spin smoothly, but there shouldn't be any play or wobble. If it sounds or feels like a skate bearing, you got a problem.
-Icer |
Originally Posted by Bonfiggy
(Post 10977795)
yes it could be this, belt, or even something as simple as a wire or something rubbing on one of your fans. It is a bit hard to tell from the video but i would start there.
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Originally Posted by icer5160
(Post 10977801)
99% confident it's a bearing running off the accessory belts. As previously suggested, your best bet is to remove the belts and try each accessory by hand, if you notice any of the bearings spinning loose, that's most likely your issue. The pulley bearings should spin smoothly, but there shouldn't be any play or wobble. If it sounds or feels like a skate bearing, you got a problem.
-Icer
Originally Posted by onevq35de
(Post 10977797)
Somethings getting rattled. It's intermittent so I doubt it's a pulley. When the rpm's fluctuate is probably when it rattles. If it is a pulley, I bet it's the a/c clutch.
BTW sorry for double post I don't know how to link more than two guys quotes at the same time on the phone. |
Originally Posted by Chihuahuamaster
(Post 10977792)
Sounds like it could be a failing pulley, or bearing attached to one of the peripherals.
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"Somethings getting rattled. It's intermittent so I doubt it's a pulley. When the rpm's fluctuate is probably when it rattles. If it is a pulley, I bet it's the a/c clutch."
I listened again and gonna change then double down on my bet. I think it's a cat. conv. heat shield. :icon21: |
I've had this exact type of noise before, true it's most likely not a "pulley" but it is one of the accessories. In my personal case, the root cause was the alternator bearings. I don't know exactly why the noise was intermittent (possibly load on/off cycles), but the alternator was the culprit. Bearings can behave oddly sometimes, especially if there's an axial load put on them, for example if the belt isn't running perfectly aligned on all pulleys.
Suggestion... Remove the outer belt first and start the engine, listen for noise. If it's gone you just narrowed down your suspects. If the noise persists, you've again eliminated the accessories running off the outer belt. That's probably one of the biggest benefits of having multiple accessory belts on an engine vs. one giant serpentine belt. Good Luck! -Icer |
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