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Weird Noises?????

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Old Apr 6, 2016 | 07:24 PM
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Default Weird Noises?????
so guys i need some advice.... my car has a grinding/poppingish noise coming from the rear end or trans i think... its not a new noise. its been there since ive had the car. its only on initial throttle, or i can hold the brake and between 1800-2000k rpm it does it, i can mash it down the interstate and it wont do it.... any ideas of where i should start looking?
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Old Apr 6, 2016 | 07:41 PM
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Check your bushings everywhere. Specifically....the torque arm bushing. Do you have any vibration at any speed...?

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Old Apr 6, 2016 | 09:40 PM
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I have a vibration at 40 till 50 than it just stops
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Old Apr 6, 2016 | 09:48 PM
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Possibly u-joint
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Old Apr 6, 2016 | 09:52 PM
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in the front? cause i can hold the brake and get to 2000 rpm (it has a 3600 stall but had the noise before) and it will still make the noise without me moving an inch
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Old Apr 6, 2016 | 10:00 PM
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Driveshaft u-joint, it connects the driveshaft and differential yoke
Last edited by 98CayenneT/A; Apr 6, 2016 at 10:06 PM.
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Old Apr 6, 2016 | 10:05 PM
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is that something i can get at autozone or is it something i have to take to a shop
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Old Apr 6, 2016 | 10:21 PM
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Originally Posted by LS12000SSCAMARO
is that something i can get at autozone or is it something i have to take to a shop
You can check to see if it's bad by putting the car on jack stands, put it in neutral and check it for play. If it is a u joint I would pull the driveshaft off and bring it somewhere. Random picture of drive shaft and u joint.

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Old Apr 6, 2016 | 10:25 PM
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how much should the play be? should it not turn at all? be that i mean the drive shaft shouldnt wiggle without everything moving?
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Old Apr 6, 2016 | 10:37 PM
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Do you ever get a clunk going from drive to reverse?
You can pry at the joint between the joint and the driveshaft and watch for play. There should be no play.
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Old Apr 6, 2016 | 11:08 PM
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yes its like a clank/creak noise when i go to drive
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Old Apr 6, 2016 | 11:13 PM
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Originally Posted by LS12000SSCAMARO
yes its like a clank/creak noise when i go to drive
I would say it's a bad u-joint. Take the drive shaft out and bring it to a shop to have a new one pressed in. Get a solid/non greasable one for they are stronger than the hollow greasable u-joints
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Old Apr 7, 2016 | 04:17 AM
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Yup...bring it to a drivetrain shop if the u-joint needs to be replaced. My shop in Lauderdale that I use charges $25.00. Well worth it to have it done right.

But check that torque arm bushing for dry-rot or if its falling apart. Or any play in it. It only has to move a tiny bit to cause issues.

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