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A noise under hood near pulleys but not inside motor

Tiny
1BOSKII
  • MEMBER
  • 2006 DODGE CARAVAN
  • 194,326 MILES
After I cut off my engine with the key the car makes a rumbling noise near pulley. A code on diagnostic machine came up as u110c. What is going on? Thanks
Thursday, August 23rd, 2018 AT 8:25 AM

11 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,976 POSTS
Hello,

Please remove the serpentine belt and then start the engine to see if the noise is still there. If so take a video of the noise with your phone and upload it in your relay so I can hear what is going on.

Here is a guide that will give you an idea of how to remove the belt.

https://www.2carpros.com/articles/replace-serpentine-belt

Please run down this guide and report back.

Cheers, Ken

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Friday, August 24th, 2018 AT 6:49 PM
Tiny
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Thank you Ken. I will try it as soon as I get a chance and will let you know what happens. Again Thanks.
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Sunday, August 26th, 2018 AT 4:35 PM
Tiny
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This is the noise it makes after the key is turning off motor. The second video play's better it sounds loud running because I laid the phone on the tire as I cut off the engine to record the sound. Thanks.
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Monday, August 27th, 2018 AT 8:47 AM
Tiny
KEN L
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Thanks for the videos they really help. Was that with the serpentine belt off the engine? If so I would say the starter is no good and not retracting the pinon gear away from the flex plate. Can you tell if the noise is coming from between the engine and transmission?
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Monday, August 27th, 2018 AT 10:25 AM
Tiny
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The serpentine belt is on and it sounds like it is coming from the front right side near the tire. I am going to get the equipment to take off the serpentine belt when my cousin gets back into town. Thanks Ken.
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Monday, August 27th, 2018 AT 11:55 AM
Tiny
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I really appreciate your advice and will do. My cousin has the tools with him. Thanks
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Monday, August 27th, 2018 AT 12:02 PM
Tiny
KEN L
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You are welcome please let us know what happens with the belt off. (Other video would be great) Ken
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Tuesday, August 28th, 2018 AT 9:59 AM
Tiny
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Hello ken, I took off the right front tire and splash guard to take off the serpentine belt and low and behold my breaker bar nor socket wrench would not fit between the frame and pulley. So I put everything back on I need a serpentine wrench after I come across one I will remove that belt. You have a good labor day weekend sir.
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Friday, August 31st, 2018 AT 4:49 PM
Tiny
KEN L
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Sounds good you do the same. I would remove the starter just to check to see if the pinon gear just flops around and is not held is the starter. Here is a guide to help you see what you are in for when removing the starter for inspection and diagrams below to show you on your car:

https://www.2carpros.com/articles/how-to-replace-a-starter-motor

Check out the diagrams (below). Please let us know what you find.

Cheers, Ken
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Saturday, September 1st, 2018 AT 11:06 AM
Tiny
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Thanks for the information. I will give it a shot after the holiday. Have a good holiday Ken.
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Sunday, September 2nd, 2018 AT 6:33 PM
Tiny
KEN L
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No problem, please let us know. Have a good Holiday. ;)
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Monday, September 3rd, 2018 AT 1:31 PM

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