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What The Hell Is This Sound!!!!!

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Old Aug 26, 2005 | 11:33 PM
  #1  
formula forever's Avatar
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From: chicago IL
Car: 91 formula
Engine: 350 tuned port. bolt ons
Transmission: 700r4
Axle/Gears: 3.73
What The Hell Is This Sound!!!!!

ok when i drive at anytime i here a sound in the front wheel area it is like a rump rump rump rump rump sound at all times. the sound is only at 20mph and higher. but when i turn the sound goes away. it makes the gas and brake pedel vibrate and the floor board. I been driving with the sound for about 2 months. I need help. DO you think it is the wheel bearings or what
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Old Aug 27, 2005 | 02:19 AM
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Car: Was 3rd Gen now MustangGT
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I think i would check the front tyres first.
An out of shape tyre, or one with notches that develop in the tread can cause this. Get it to a good knowledgeable tyre guy to check, if its been 2 months i doubt its loose wheel nuts, they would have fell off by now, and its unlikely its bearings.
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Old Aug 27, 2005 | 11:27 AM
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1) stop driving it
2) rebuild the front end

"if its been 2 months i doubt its loose wheel nuts, they would have fell off by now"

How about you actually take a wrench and check them BEFORE the wheels fall off , if it's not them, keep digging further, if it's making that much sound all the time and has been for two months I bet you could see what it is just by inspecting parts.

or just keep driving the car until whatever it is finally breaks/seizes/falls off and then you'll know for sure !!!
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Old Aug 27, 2005 | 11:28 AM
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From: Beautiful BC
Car: '88 IROC-Z / '91 Z28 / '91 GTA
Engine: LT4 Hot Cam 305 / L98 355 / MR 383
Transmission: 5-spd / 700R4 / 700R4
Axle/Gears: 3:45 / 3:23 / 3:23
goto a shop and get a front end inspection.. they're usually free.

unfortunatly that sound could be nearly anything from worn out ball joint to wheel bearings as you mentioned.

..or at home you can jack up one side of your car under the control arm and check the tire for free play by; twisting the tire left and right, twisting the tire up and down (top and bottom) and push/pulling on the tire in and out. If you find any abnormal free play (like more then 1/4 inch) you've got something wearing out.. if you find 1/2" or more free play in any direction you've got something that needs to be replaced.

Good luck.
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