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Weird sound coming to a stop

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Old 05-11-2022, 11:10 AM
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Default Weird sound coming to a stop

Hey hey! Wanted to run this by you guys to see if you've experienced something similar:

On the 2002, when coming to a stop, not all the time, but most of the time lately, there's a rumbling noise that's audible when the stereo is off. Not super loud. It's the same sound that you here when a lifted pickup drives by with mudding tires. That low drone. It sounded like its coming from the back, but hard to know for sure. I popped the back wheels off yesterday to do a quick visual and everything looks good. Pads are great, rotors are great. Ideas? I guess I could start to consider the hub?
 
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Old 05-11-2022, 11:26 AM
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Rotoflex ?
 
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Old 05-11-2022, 11:32 AM
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Originally Posted by Richard Gallant
Rotoflex ?
Only a few years old, still looks new.
 
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Old 05-11-2022, 01:20 PM
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Maybe its time to put that mega torque wrench to use and replace the hubs again!
 
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Old 05-11-2022, 01:28 PM
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Originally Posted by cvhyatt
Maybe its time to put that mega torque wrench to use and replace the hubs again!
I thought by buying it that might mean I’d never use it 😅
 
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Old 05-11-2022, 02:08 PM
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I would have thought that bad hub bearings would be noisy at speed especially when cornering, not at a near standstill.
 
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Old 05-11-2022, 04:56 PM
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Originally Posted by Harvlr
I would have thought that bad hub bearings would be noisy at speed especially when cornering, not at a near standstill.
Exactly, just replaced my right front due to that exact reason. Interestingly it made more noise turning right then turning left not what I expected. I would make another pass around and look at all of the pads even the interior ones, usually a low growl when stopping is indicative no pad material left and metal of metal on the rotor
 
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Old 05-12-2022, 05:16 PM
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My opinion will surprise many.
Something in the computer or climate computer senses the vehicle speed decreasing to about 4MPH and a servo closes (or opens) a ventilation flow gate by the passenger feet area. It also sounds the same in reverse (restoring) the ventilation gate position when accelerating from a stop up to 4MPH if the engine is quiet enough.
Exposed the behavior previously on some post but seems nobody hears it. I suspect the climate system exterior air intake (or recirculation) changes when moving and when stopped by some esoteric minuscule design reason.
Some day I will try to come to a stop quietly with engine (key) off to compare if the noise persists, or start downhill with engine off to confirm the same noise reversal.

Brandon : try a small kid as helper, head stuck under the glove box and paying attention to the noise source area while reaching a stop. And come back with findings !
 
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