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Old 09-05-2014, 04:09 AM
 
Location: Cape Coma Florida
1,369 posts, read 2,273,046 times
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I have a 94 Mazda Protege, which has developed a rumbling vibration in the left front wheel when braking from above 45 mph. I'm thinking maybe warped rotor? Anyone care to guess?
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Old 09-05-2014, 04:14 AM
 
Location: North Port, Florida
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Does the brake pedal pulsate?

If it does there's your answer.
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Old 09-05-2014, 04:43 AM
 
Location: Cape Coma Florida
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No, it doesn't, there's just that rumbling noise from the left front wheel.
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Old 09-05-2014, 04:46 AM
 
Location: Out in the stix
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Could be so many things, sticky caliper, wheel bearing starting to go? Did you recently drive through a deep puddle on that side? If so if the rotor was hot it could easily warp a little, just enough to cause a little noise. Even something like a tire out of balance by hitting a curb or bad pothole could cause a noise.
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Old 09-05-2014, 05:03 AM
 
Location: Cape Coma Florida
1,369 posts, read 2,273,046 times
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Well I've not hit anything with it, or driven through water with hot rotors. If I had both of them would be doing it, and it's only the left front. A bad bearing sounds possible, or a bad CV joint. I think if the rotor was warped I'd be feeling it in the brake pedal, but I don't. It just started doing this about a week ago.
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Old 09-05-2014, 06:13 AM
 
Location: North Port, Florida
774 posts, read 2,380,655 times
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If you suspect a cv joint, try turning the wheel all the way while driving (like in an empty parking lot) with you window open.

If you hear "clicking" or "clunking" noise, then you've got a worn CV joint.

Do it both left and right and see what you hear.

Mikey
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Old 09-05-2014, 08:51 AM
 
Location: Cape Coma Florida
1,369 posts, read 2,273,046 times
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Well I do hear a low rattling noise on left turns, so yeah, maybe it's the CV joint. Whatever it is it's bad news, I can't afford a fix right now.
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Old 09-05-2014, 09:22 AM
 
Location: Broomfield, Colorado
656 posts, read 1,340,540 times
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Take a look at your CV joints.. if you see grease on the outside of the CV joint boots, they need replacement. Worn spring pin bushings can also cause a clunking or popping sound when you turn your wheel.
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Old 09-05-2014, 12:58 PM
 
Location: Oceania
8,610 posts, read 7,888,561 times
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Quote:
Originally Posted by amylewis View Post

Well I do hear a low rattling noise on left turns, so yeah, maybe it's the CV joint. Whatever it is it's bad news, I can't afford a fix right now.
FWD cars are finicky, especially little ones. I would tuck away a month's salary for car emergencies, more if you can. Can you buy a $1K car tomorrow if you had to? It may not be pretty but will get you from A to B cheaper than renting/leasing.
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