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| Cavalier Problem Diagnosis Got a problem you can't fix? We can help. |
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#1
07-28-2007, 09:57 PM
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98 Cavalier knocking in driver front wheel
Recently my wife's cavalier developed this knocking noise in the driver front wheel when I step on the brakes. It started out as just a little knock when I slightly get on the pedal. It ended up getting worse, and finally started shaking the whole front end at about 40 mph. I got it home and found that the seal around the caliper piston was messed up a little bit, which would explain why the piston was tough to push back in, and would possibly explain the knocking noise as the rotor is a tad bit warped.
I replaced the caliper with a remanufactured one (the caliper was under warranty) and all seemed to be well. No noise for a couple weeks. Now it started to appear again. Could it just be the rotor? The rotor seems smooth enough, and the pads seem ok. The passenger side works fine. I replaced the pads, rotors, and calipers about 30,000 miles ago, and I didn't expect to hear a peep from them for awhile yet. 
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#2
07-29-2007, 02:04 AM
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Re: 98 Cavalier knocking in driver front wheel
check the lugnuts, thats what happened to me like a month ago... one got loose on a 250 mile trip haha... that was great fun. actually it wasn't loose, it was stripped completely and the other lugs were getting loose.
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#3
07-29-2007, 05:26 PM
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Re: 98 Cavalier knocking in driver front wheel
Get new pads and rotors. Should clear the problem right up for ya. Don't get cheap brakes, because you get what ya pay for....
__________________
Please don't PM me with your J-body Issues. Post appropriately in the forums, and I will toss my opinion in your thread if I have anything to help. - Thanks! 2006 Chevrolet Trailblazer 2010 Glastron GT 205XL
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#5
09-06-2007, 12:32 PM
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Re: 98 Cavalier knocking in driver front wheel
front hub assembly maybe?
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#6
09-07-2007, 10:39 PM
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Re: 98 Cavalier knocking in driver front wheel
Actually, it ended up being a combination of a warped rotor and a seizing caliper. The seal around the caliper piston wasn't sitting right in the bore, and was causing the piston not to release when I would take my foot off the pedal. The rotors were a little warped, but just enough to make the noise upon passing the pads. A new caliper (to replace the one year old caliper
 ), and pads/rotors cleared it right up.
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