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Old 01-06-2009, 09:54 AM   #1
apgarabu
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Default Strange Sound After Shifter Bushing Install?

This weekend I did a Gimmick Motorsports Shifter Bushing install, and upon driving it the next AM, I noticed a VERY slight noise from the front of the car. It sounds like a brake pad wear indicator, but MUCH quieter. Basically, a slight squeal. As with most of you, I am very meticulous about sounds, and am very picky. It is so slight my wife can't hear it, but I don't see how. It is absolutely constant above 20 MPH. I have narrowed it down to NOT being a brake issue, it has newer pads, around 17k miles. Also, it does not get worse/better when applying or disengaging the brakes. They are Axis Metalmaster. I also checked the brake dust guards, and shut the car off in neutral while rolling to eliminate the possibility of it being motor related. What else can this be? This am I jacked the car up and inspected the install of the bushing to make sure nothing was touching the driveshaft (rear) and I also took the bushings off and greased them to make sure that was not it. I noticed that when I push the shifter directly DOWN/IN, (as in NOT to downshift, but to push the knob towards the shift lever) it seems to get signifigantly quieter. I removed the shifter bezel/trim and inspected where the shift fork meets the shift lever, and checked the tightness of the bolts. all is well there. Will a brake pad indicator be completely constant like that or will it just be when the brakes are applied? What else can this be? Thanks!
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Old 01-06-2009, 10:23 AM   #2
leecea
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The only gotcha that I'm aware of for a bushing install is getting the big washer on the right way around. Not sure that would cause I noise, but here is a pic taken from ScoobyMods...

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Old 01-06-2009, 10:25 AM   #3
apgarabu
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yeah, that looks right, I used the Scoobymods article when doing the install. BTW, upon taking the bushing, etc off this morning, I double checked the tightness of the (below pic) bolt. a-ok, not too tight at all.
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Old 01-06-2009, 10:54 AM   #4
bige1919
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After I did my kartboy bushings I also heard a whine/squeel coming from the shifter area. At first I couldn't tell where it was coming from exactly, definately the front of the car, but when I put my head down towards the shifter area I could definately tell it was coming from there. From what I understand this is completely normal as the aftermarket bushings are much harder and don't dampen trans noise like the stock bushings do. I've just gotten used to it, and when listening to the radio I don't even hear it anymore.

Do you hear the noise when you are not in gear as well, like if you coast in neutral? If you do then its probably not what I'm talking about.
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Old 01-06-2009, 12:00 PM   #5
apgarabu
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so you think it's just NVH? I guess it can be. If I remember correctly, it does it while in neutral as well. it is possible to be bushing NVH while in neutral>?

Last edited by apgarabu; 01-06-2009 at 12:20 PM.
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Old 01-06-2009, 12:21 PM   #6
bzbuzz
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it will go away a lot as the bushings break in...
happened to me as well...
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Old 01-06-2009, 12:25 PM   #7
apgarabu
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Quote:
Originally Posted by bzbuzz View Post
it will go away a lot as the bushings break in...
happened to me as well...
even in neutral with engine off?
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Old 01-06-2009, 12:33 PM   #8
apgarabu
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Quote:
Originally Posted by bige1919 View Post
After I did my kartboy bushings I also heard a whine/squeel coming from the shifter area. At first I couldn't tell where it was coming from exactly, definately the front of the car, but when I put my head down towards the shifter area I could definately tell it was coming from there. From what I understand this is completely normal as the aftermarket bushings are much harder and don't dampen trans noise like the stock bushings do. I've just gotten used to it, and when listening to the radio I don't even hear it anymore.

Do you hear the noise when you are not in gear as well, like if you coast in neutral? If you do then its probably not what I'm talking about.
bige1919 - did yours go away as well?
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Old 01-06-2009, 01:30 PM   #9
bige1919
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No, its still there but not as much as right after I put them in. I don't notice it unless I really listen for it, and no one else riding in the car has said anything about it. Of course its harder to hear with a tbe
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Old 01-06-2009, 01:36 PM   #10
bige1919
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Mine doesn't make any noise in neutral though, so you may be experiencing something different. I also wouldn't characterize the sound as a squeel, mine is more like a really high pitched whine.

While you're driving try to lean down towards the shifter (safely) and listen if the sound is coming from the shifter. If it is its probably the bushings. If not try to pinpoint where exactly its coming from, that way if its not the bushings we can try to point you in the right direction of what it might be.
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Old 01-06-2009, 02:10 PM   #11
apgarabu
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thanks. I'll try to 'safely' (read: dangerously) put my head down to the shifter this eve on the way home. in the mean time, anyone else w/input?
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Old 01-07-2009, 10:36 AM   #12
apgarabu
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so i did what bige1919 said. i put my ear down to the shifter and found that is where the noise was coming from. putting a small amount of pressure directly down on the shifter causes it to stop. it still does it in neutral though.....

thanks to all of you and especially bige1919. i guess i can't rest well now.
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Old 01-07-2009, 04:49 PM   #13
bige1919
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I hope you meant you can rest well now?

If everything feels alright I wouldn't worry about it too much, our cars tend to make strange noises especially when you start to mod them. It will probably go away in a few weeks.
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Old 01-08-2009, 11:29 AM   #14
apgarabu
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Quote:
Originally Posted by bige1919 View Post
I hope you meant you can rest well now?

lol, yeah thx
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