Thumping sound when turning left?

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  #1  
Old 11-07-06, 10:31 AM
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Thumping sound when turning left?

My mom owns, 93 Oldsmobile Cutlass Cierra S, 4D, FWD
Had both CV axles installed and alignment in May.The alignment tech inspected the struts and said they were in good condition. On Monday
a clicking sound occurred when turning left. Drove the car on Sunday and made numerous left turns without incident.
The noise is not present when driving straight or turning right. There is only 6k miles on the new axles and new tires. The tires have just been balanced and have proper inflation. My first thought is a worn out "lower ball joint" ? This car has only 96, 600 miles and it has been treated with utmost care and maintenance. Please advise what I should do before breaking out the tools or spending money uselessly. All help,
suggestions, and advice are greatly appreciated.
 
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  #2  
Old 11-07-06, 01:46 PM
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Sounds like your wheel bearings. Some just require the bearing, some vehicles require you to either replace the whole hub assembly or having the bearing "pressed" in/out.
 
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Old 11-07-06, 02:11 PM
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A little clarification; in your header you say "thumping" and in the body you mention "clicking"?
 
  #4  
Old 11-07-06, 02:31 PM
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The sound is deeper when heard from the interior; a thumping sound. If your outside it is a different sound. It has affected alignment and the car pulls to left. Have parked car until I have
weather fit to check wheel with left side jacked up.

What is best way to decide between bearing or ball joint?
 
  #5  
Old 11-07-06, 02:53 PM
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I dont think a bearing would cause a misalignment, but I may be wrong. I would now look at your tie rod ends or ball joints.
 
  #6  
Old 11-08-06, 10:13 AM
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I agree; I don't really think you're describing a bearing problem. Need to get it off the ground, take the wheel off and start pushing, pulling, & wiggling the various front end parts to see what's worn out. Be sure to properly support it with jack stands.
 
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Old 11-08-06, 03:50 PM
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My intial thinking would be a bad tire,right and/or left
 
  #8  
Old 11-08-06, 07:42 PM
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You may have a bad motor mount. huh ? Hear me out.
I had the same problem and like you I was sure it was a bad wheel bearing. I spent $ 70.00 and an afternoon putting it in. I wasted my time and $ 70.00 bucks.
An old mechanic showed me the rubber had worn through the side engine mount and only made the noise when I turned in one direction.

Carefuly inspect all of you motor mounts.
It's a cheap and easy repair.
Hope that's it.
Good luck !
 

Last edited by Mackey; 11-09-06 at 05:35 PM.
  #9  
Old 11-09-06, 05:24 PM
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Just an after thought

After thinking about this overnite you could also have a broken coil spring.
A broken coil spring can make a thumping sound and cause your car to pull to one side even if the car dosen't appear to lean.
Can be deceptive.

Just an after thought.
 
  #10  
Old 11-09-06, 06:31 PM
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I thought about that, too, mack, but I think there would be a noticeable sag to that side that would be easily discovered.

Any progress, northport?
 
  #11  
Old 11-10-06, 05:17 PM
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even though you replaced them not to long ago you could have gotten a bad half shaft.
 
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