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Squeal Underneath

 
Old 02-02-2019, 07:51 AM
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Default Squeal Underneath

Hi Everyone! I have a 2008 Jk and there is s high pitched squeal coming from underneath that changes with rpm's. It is barely noticeable at idle but will sound when I press the gas pedal. Engaging or disengaging the clutch makes no difference. Moving or sitting still makes no difference. I peaked underneath and saw a bit of smoke coming out near where the crank case is. I know I do have somewhat of an exhaust leak but it is not real new. We just went through a horrible cold spell. Any thoughts? The sound resembles a bearing going bad or s slipping belt. Thanks so much for any help!!
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Old 02-02-2019, 08:08 AM
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I recently had a squeal in my 2012. I was 100% sure it was a belt. Nope. Turns out it was the starter going bad. The starter was not fully retracting which allowed some small contact that resulted in the squeal. Other likely culprits to consider are the water pump and idler pulleys.
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Old 02-02-2019, 01:14 PM
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I think it's the water pump dying. Thanks for the info.

Rob
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Old 02-03-2019, 12:37 AM
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Originally Posted by wideglide7777 View Post
I think it's the water pump dying. Thanks for the info.

Rob
One of these is your friend ...

https://www.oreillyauto.com/detail/b...thoscope&pos=1
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Old 02-03-2019, 09:03 AM
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Definitely getting one. Tx
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Old 02-05-2019, 01:35 PM
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Originally Posted by wideglide7777 View Post
I think it's the water pump dying. Thanks for the info.

Rob
Good chance. The water pump on my previous 07 JK did this before the water pump went. Look for weeping or crust around the pump housing.
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