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#66929 - 03/16/08 11:55 AM Front end vibration
Mr_GTPeanut Offline
Member
Registered: 02/19/06
Posts: 257
Loc: Bardstown, KY
I have a little vibration problem that I noticed about 2 months ago. I was on some fresh blacktop at about 70 mph when I noticed it. I went to speed up a little and felt a slight vibration coming from the front, couldnt tell if it was one side or not really. I let off the accelerator and it stopped, push on the acelerator and it starts. Put it in neutral and give it a little gas and dont notice anything. I was also noticing some constant droning noise that I thought was wheelbearings. Well I put some new tires on it and that seemed to take care of the droning noise, had some completely worn out z rated tires on it. I still have a little constant vibration, but it feels like a tire out of balance to me. The vibration under acceleration is still there though. I only really notice it at highway speeds, around 55 to about 75 or so. I doesnt seem to do it on take off, or at least I cant tell it if it is. I did a search and came up with CV or motor mounts, does this sound like a good diagnosis?

Thanks
Todd
_________________________
Silver 2000 GTP Coupe, ZZP 3" dp with U Bend delete, ZZP Whisper resonator now resonator delete because that thing fell apart, K&N cone filter, 180 T-stat, drilled/slotted rotors, calipers painted blue and a little touch of blue under the hood
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#66930 - 03/16/08 12:31 PM Re: Front end vibration
GrandBoost98 Offline
Member
Registered: 01/09/08
Posts: 415
Loc: CT
id say maybe the mounts or the tires are unbalanced
_________________________
1998 GP GTP K&N ram air intake, v1.0 pcm, 3" DP, stainless steel Borla cat back, 8.8 wires, 104 spark plugs, 180* T-stat, MPS 3.5, F-body brake kit, KYB AGXs on SSCs, anti pogos, front sway bar and strut tower bar, rear sway bar, solid trans/bottom engine mount, short dog bones w/ poly mounts, alt rewire, rebuilt tranny, pioneer stereo
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#66931 - 03/16/08 02:46 PM Re: Front end vibration
HercMan(Rob) Offline
Member
Registered: 09/12/03
Posts: 14035
Loc: Fort Worth, Texas
I'm gonna say have your tires balanced first.
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http://www.patriotguard.org
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#66932 - 03/16/08 07:12 PM Re: Front end vibration
SlickGTP Offline
Member
Registered: 03/26/07
Posts: 1398
Loc: Houston, TX
Possible culprits in the order I would check:

Alignment
Wheel out of balance
Wheel Bearing
Outer Tie Rod
Ball Joint
Inner Tie Rod
_________________________

Kinda sorta, yeah, no?

'02 Black GTP - RIP 03/03/08 ||| '06 Black G35 MT6 - Stock ||| '73 Chevy half ton(resurrected)
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#66933 - 03/16/08 07:13 PM Re: Front end vibration
Mr_GTPeanut Offline
Member
Registered: 02/19/06
Posts: 257
Loc: Bardstown, KY
I just had new tires put on it on wednesday and all the same symptoms are there except the constant droning noises. That and a slignt vigration like a tire is out of balance.

Thanks
Todd
_________________________
Silver 2000 GTP Coupe, ZZP 3" dp with U Bend delete, ZZP Whisper resonator now resonator delete because that thing fell apart, K&N cone filter, 180 T-stat, drilled/slotted rotors, calipers painted blue and a little touch of blue under the hood
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#66934 - 03/29/08 11:20 AM Re: Front end vibration
Mr_GTPeanut Offline
Member
Registered: 02/19/06
Posts: 257
Loc: Bardstown, KY
Well, Im not sure if it is entirely the problem, but I do have a CV issue. I popped the hood today and there is a line of grease coming from the passenger side CV. It is the one that is directly under the coolant reservoir. Thats how I noticed it, there is a little grease on the reservoir itself and a nice little line on the boot behind it. That being said, how much trouble is it to change myself? Im no mechanic by any means, but I am capable of making any of the minor repairs that are needed. Its just that I have never tackled a challenge like this before. Also while Im at it and it is all apart, I think Im going to go ahead and replace struts and mounts. With making all of thase repairs would it be best to just suck it up and take it to a shop?

Thanks
Todd
_________________________
Silver 2000 GTP Coupe, ZZP 3" dp with U Bend delete, ZZP Whisper resonator now resonator delete because that thing fell apart, K&N cone filter, 180 T-stat, drilled/slotted rotors, calipers painted blue and a little touch of blue under the hood
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#66935 - 03/29/08 03:03 PM Re: Front end vibration
Chico Offline
Member
Registered: 02/08/04
Posts: 3463
Loc: Gonzales Tx.
If you have basic mechanical skills and hand tools you should be able to do this job and save some $ ,I do suggest buying some sort of shop manual chiltons haynes or something this will become the most important tool in your toolbox ,I have been working on cars for 35years and for every car I own I buy a shop manual.Chico(pops)
_________________________
04 GTO stock,04 Titan,97 GP GT too many mods to list,90 Corvette & project cars, http://photobucket.com/albums/v206/chico1319
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#66936 - 03/29/08 03:20 PM Re: Front end vibration
HercMan(Rob) Offline
Member
Registered: 09/12/03
Posts: 14035
Loc: Fort Worth, Texas
I concur.
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http://www.patriotguard.org
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#66937 - 03/29/08 10:56 PM Re: Front end vibration
Mr_GTPeanut Offline
Member
Registered: 02/19/06
Posts: 257
Loc: Bardstown, KY
thanks for the input. I guess this will give me a reason to go ahead and pick up a manual. its been one of those things that "im going to do" for quite some time now, just never got around to it. Now the question is, Chiltons or Haynes?

Thanks
Todd
_________________________
Silver 2000 GTP Coupe, ZZP 3" dp with U Bend delete, ZZP Whisper resonator now resonator delete because that thing fell apart, K&N cone filter, 180 T-stat, drilled/slotted rotors, calipers painted blue and a little touch of blue under the hood
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#66938 - 03/29/08 11:13 PM Re: Front end vibration
ordonez1307 Offline
Member
Registered: 04/18/05
Posts: 8901
Loc: Bradenton, FL
Haynes blows the big one. I reccomend picking up a set of the dealer manuals. You can get them on ebay sporadically. They are pretty pricey, but worth every penny
_________________________
Corey Smith
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#66939 - 03/30/08 10:51 PM Re: Front end vibration
Chico Offline
Member
Registered: 02/08/04
Posts: 3463
Loc: Gonzales Tx.
Quote:
Originally posted by ordonez1307:
Haynes blows the big one. I reccomend picking up a set of the dealer manuals. You can get them on ebay sporadically. They are pretty pricey, but worth every penny
Your right the GM shop manual is the best but even Haynes is better than nothing.Chico(pops)
_________________________
04 GTO stock,04 Titan,97 GP GT too many mods to list,90 Corvette & project cars, http://photobucket.com/albums/v206/chico1319
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#66940 - 04/02/08 02:07 PM Re: Front end vibration
RD_GTP03 Offline
Member
Registered: 06/16/07
Posts: 186
Loc: BOSTON, MA.
Hey Guys...go to "A-auto.com" they carry "Haynes" 1970-87 & 1988-03 Grand Prix - Repair Manuals for $19.95

As Good as Any...Check it Out!
_________________________
Modified 2 filters Intake, KYB Gr-2 NGK Plugs & new Wires, U-bend, 18" Motegi Wheels 2" Lips, 245/45/18 Tires...& more to come(Performance PCM, AGXs, Down-pipes & Mod-Hood)
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#66941 - 04/02/08 02:17 PM Re: Front end vibration
RD_GTP03 Offline
Member
Registered: 06/16/07
Posts: 186
Loc: BOSTON, MA.
But You are Right, though...if that's in their Budget, they should go for it...it's more Detailed & really Useful. But, just in case it's Not, maybe...they might want to start with the "Haynes" it offers some Help!
_________________________
Modified 2 filters Intake, KYB Gr-2 NGK Plugs & new Wires, U-bend, 18" Motegi Wheels 2" Lips, 245/45/18 Tires...& more to come(Performance PCM, AGXs, Down-pipes & Mod-Hood)
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#66942 - 04/02/08 03:22 PM Re: Front end vibration
RooK Offline
Member
Registered: 03/07/05
Posts: 5158
Loc: Southern KY
Haynes sucks for our cars. Get the Chilton if you don't want to buy a Helms. I bought it initially and it is way better than the Haynes for our year models.
_________________________
'13 Mustang 3.7V6 - MT82
'00 GP SE (L67 Swap, XP, Headers, 3.25")
'98 GTP, '01 Bonne
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#66943 - 04/02/08 11:00 PM Re: Front end vibration
Mr_GTPeanut Offline
Member
Registered: 02/19/06
Posts: 257
Loc: Bardstown, KY
how pricey is "pricey" on the dealer manuals?
_________________________
Silver 2000 GTP Coupe, ZZP 3" dp with U Bend delete, ZZP Whisper resonator now resonator delete because that thing fell apart, K&N cone filter, 180 T-stat, drilled/slotted rotors, calipers painted blue and a little touch of blue under the hood
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