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Discussion Starter #1
My '06 GranSport has just over 7,000 miles on it and has about 70% clutch wear (30% remaining). I had a shop put in FD suspension mods (sways & springs) a few months ago. After they did the install the car handles great but I hear what sounds like a squeak or slight brake squeal intermittently with each wheel revolution. I took it back to the shop and they firsts told me that the parking brake caliper was touching very slightly but that the cable had been extended as far as possible given the suspension mods. They claimed to have fixed it, but I heard it again the next day. When I went back to the shop a second time they told me it was a clutch sound indicating wear, and that they could adjust the clutch to minimize it but that they cannot eliminate it without an expensive bearing replacement that is not really needed until clutch replacement is necessary.

But this sound stays exactly the same, whether the car is in gear or simply coasting slowly in neutral. Also, it disappears when you apply the brakes, reappearing when they are released. Can anyone tell me if the shop is being straight with me on this? Do I have a parking brake issue, or a clutch issue?
 

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I'm not sure how the suspension mods would affect the length of the parking brake cable.

Since the sound is consistent even when rolling in neutral, I find it hard to believe this is a clutch related issue. Especially since it is related to wheel revolutions. Perhaps the guys at ECS can chime in with their take on the matter.

Do you trust the shop that did the suspension mods? Positive they put everything back together properly?



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Is the sound a steady squeal or does it "chrip"? The fact that id changes with brake apllication and release indicates it is definitely brake related. I suspect it is related to the interaction between the brake pads and brake rotor.

The fact that it wasn't there before and is now leads me to believe that ti could have been aggitated by a spirited test drive.
 

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Agreed, it sounds like it may be braking related. Any chance the brake dust shields are making contact with the rotor?
 

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Discussion Starter #6
The sound is consistent with a slight squeal/chirp with each tire revolution. That is disappears with brake application and remains present at slow speed in neutral has me leaning towards brake-related. Its not very loud, but you know how it is with these cars. We want them to look and sound perfect.
 

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How are the brakes pads. If there worn, maybe one of them is just loose enough that its wobbeling a little to create the slight chirping ur referring to...Pinpoint what wheel it coming from then pull it off and look it over
 

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Yea, I'm thinking it's related to how a brake pad is sitting in the caliper. It may not be returning fully and the rotor probably has a high spot catch the pad just enough to cause the chirp.

I would try pulling the pads on the suspect corner, cleaning everything, re-lubricating them and reinstalling and test driving again.
 

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Agreed, sounds like brake drag, especially if the sound goes away with application of the brakes.

I don't believe the installation of the sway bars could be contributing to a routing problem for the parking brake. Although the kit comes with new bushings / brackets the bar sits in the same location as factory. I haven't heard of a similar complaint thus far and we do not see a problem here with the GranSport.

Best Regards
 

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If they accidentally placed the sway bar over the parking brake cable, tension would be applied to the mechanism. The bar is suppose to run under the cables.
 

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Discussion Starter #11
EC - thanks for pointing out that possible mistake on the sway bar install - will check it tomorrow. Thanks to all who weighed in on this.
 
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