Car Feels Unstable - Chevy Cobalt Forum / Cobalt Reviews / Cobalt SS / Cobalt Parts
Problems and Service Talk about any mechanical problems you are having

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post #1 of 21 (permalink) Old 10-17-2012, 06:47 AM Thread Starter
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Unhappy Car Feels Unstable

Well recently I had to change my front tires because they were going ball and were causing me to do alot of skidding. I changed my front tires and left the back ones on because they have about 80% tread left and I now have two brand new tires in front. My car still skids in the rain when i am going at average speeds and step on my brakes. To add to this problem when i am going at high speeds and mash the brakes the vehicle gives and annoying shake and makes a bucking sound. I am nto sure whether it is the roters or something with the steering wheel console. Im new to this car business and would like to work on it myself without having to go to a mechanic. Thanks in advance my fellow Balt owners for your input as to how I should go about fixing this problem. It sucks feeling so shaky in your own car.



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post #2 of 21 (permalink) Old 10-17-2012, 07:04 AM
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What kind of tires did you install in the front?

The shaking is caused by warped rotors. Get new rotors and pads installed and torque lug nuts properly to avoid this in the future. Don't forget to clean any rust off of the hub before installing new rotors. Clean caliper guide pins and lubricate. After driving it for a couple of days re-torque your lug nuts to specification.


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post #3 of 21 (permalink) Old 10-17-2012, 07:10 AM Thread Starter
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What kind of tires did you install in the front?

The shaking is caused by warped rotors. Get new rotors and pads installed and torque lug nuts properly to avoid this in the future. Don't forget to clean any rust off of the hub before installing new rotors. Clean caliper guide pins and lubricate. After driving it for a couple of days re-torque your lug nuts to specification.

I cannot remember the exact brand name of the the tires I will check later.. Thanks alot for your help bro. So i have to buy new brake pads to. Cool do you know how much the total price would be for both front roters and pads?
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post #4 of 21 (permalink) Old 10-17-2012, 08:19 AM
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About 200$ in Canada and 20$ in the US. lol

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post #5 of 21 (permalink) Old 10-17-2012, 08:36 AM
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lol, stock blanks are $100 at your local parts store and the pads range from $20-60. You can buy online for a bit cheaper or same price for better parts. Your call.


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post #6 of 21 (permalink) Old 10-17-2012, 09:02 AM Thread Starter
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About 200$ in Canada and 20$ in the US. lol
LOL i gotcha I usually go to a mechanic but now i bought my own car and wanna work on it myself I shall change these roters and pads myself..I Fear ordering the wrong ones online..Thanks a lot for your help

---------- Post added at 09:02 AM ---------- Previous post was at 09:01 AM ----------

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lol, stock blanks are $100 at your local parts store and the pads range from $20-60. You can buy online for a bit cheaper or same price for better parts. Your call.
so i get both roters for 100?...I saw some online for like 50 bucks...I want quality so I dont have to change them for a while..thanks alot bro. I will learn as i go along
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post #7 of 21 (permalink) Old 10-17-2012, 09:14 AM
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If you aren't looking for performance I would go with the Bosch OEM through your local OReilly or NAPA. Yes, a bit more expensive but they are very reliable.


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post #8 of 21 (permalink) Old 10-17-2012, 09:19 AM
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I have Bosch rotors. A lot thicker than stock and have a zinc coating to prevent rusting. Been on for almost a year and still no rust around the edges. Obviously rust will happen where the pads touch but goes away as soon as you brake
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post #9 of 21 (permalink) Old 10-17-2012, 09:22 AM
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If back brakes are worn out or way out of adjustment it can cause the front brakes to do all the stopping, causing warped rotors, worn pads, tires locking up, and premature tire wear

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post #10 of 21 (permalink) Old 10-21-2012, 06:37 PM Thread Starter
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thanks bro
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