| 2004-2007 Cadillac CTS-V General Discussion Discuss everything about the first generation Cadillac CTS-V that does NOT fall into either the Performance or Appearance Modification category. | Cadillac Forums: About to take GC kit off and throw in the woods!!! Please help. 
07-01-09, 06:10 PM
|  | Cadillac Owners Enthusiast Cadillac(s): 2005 Cadillac CTS-V  | | Join Date: Jan 2008 Location: Nashvegas, TN Age: 27 | | | About to take GC kit off and throw in the woods!!! Please help.
I still have noises coming from what sounds like the GC kit. I just got back from lifting the car up and without any weight on the suspension I can grab the spring and move it back and forth REALLY easy. I may be wrong, but it seems to me like that when I go over bumps, brake, let off brake that the spring MAY move and make these noises. Cause it is just metal to metal. Maybe I need to do some adjusting? I have the Nitto 255/45/18's on it. It is 27.5" in the rear and like 26-7/8" in the front. I have the spacers on the rear. If anybody can help, it would be much appreciated. Leaving in the morning for Indiana and I would love not to listen to that all the way there. Thanks.
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05 Black V | Maggie 2.8 | 224/236 .609/.605 113LSA | 90mm TB | Hendrix Axles | Kooks 1.75" | Corsa Catback | Hotchkis Swaybars w/Collar Kit | FG2's w/H&R's | RMD Rear Strut Brace | UUC Slotted Rotors, Shifter, Bushings, Wrapped Knob, SS Brake Lines, MM's, Flywheel | Heavy's Bracket | HAWK HPS's | Powdered Speedlines | CTS Console | Z06 Emblem | LPE | STS-V Fogs w/4500k | Red FRC's | Specter |
07-01-09, 06:21 PM
| | BLING IS AMERICAN RICE Cadillac(s): '04 CTS-V | | Join Date: Jun 2004 Location: Just North of Titletown... | | | Re: About to take GC kit off and throw in the woods!!! Please help.
The springs are suppose to be easily moved in their perch with the suspension unloaded. That's not the cause of your noise. You'll need to give us a refresher of what noises you're getting with the GC...
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07-01-09, 06:27 PM
| | Cadillac Owners Enthusiast Cadillac(s): 2005 Cadillac CTS-V | | Join Date: Jan 2008 Location: Nashvegas, TN Age: 27 | | | Re: About to take GC kit off and throw in the woods!!! Please help.
Over bumps and at a start and stop, it sounds like a clunk. I have that RMD bar on and all that looks really tight. I just put the spacer in today with the rubber washer. It still makes noise. I'm driving around with the entire back seat out. It's not gremlins I swear. My buddy was in the back seat the other night and he was like what is that noise? |
07-01-09, 06:35 PM
| | BLING IS AMERICAN RICE Cadillac(s): '04 CTS-V | | Join Date: Jun 2004 Location: Just North of Titletown... | | | Re: About to take GC kit off and throw in the woods!!! Please help.
What is the RMD bar? A rear strut tower brace? I used 2 Feff spec'd spacers per side. |
07-01-09, 06:48 PM
|  | Cadillac Owners Master Cadillac(s): 04 cadillac cts v | | Join Date: Feb 2006 Location: Dekalb IL Age: 28 | | | Re: About to take GC kit off and throw in the woods!!! Please help.
crank the nut on the top down as hard as you can and make sure that rubber bushing is totally! compressed. aka smashed aka smushed out. otherwise you will get clunk
__________________ Used To ..............LUV my 04 V  |
07-01-09, 07:04 PM
|  | Mods on hold till diff gets fixed. Cadillac(s): 2005 CTS-V | | Join Date: Jan 2005 Location: South Lyon, MI Age: 60 | | | Re: About to take GC kit off and throw in the woods!!! Please help.
Sometimes when you jack the car up, a rear spring will not seat properly in the perch when you lower it back down. When you then drive off and go over any small bump, that spring will reseat in the perch with a BAM !!! Scared the crap out of me the first time it happened.
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'05 CTS-V, Stealth Gray, Sunroof, 3M Clear Bra, B&M Shifter w/UUC Bushings, Specter Werkes Bushings, V Headrests, Wheel To Wheel Powertrain Tune, Corsa, Kooks w/Hi-Flo Cats, Ultimate Grid Pedals, Hotchkis Anti-Sways, STS-V Fogs, Ground Control 650R/600F, WW Clear Sidemarkers, Full-Size Spare, Magnuson SC Polished, CTS Console, FG2, Aggressive Street Alignment, MOMO Shift Knob, DSS/Hendrix Engrg Axles, UUC Flywheel. Soon: UUC MMs. 472 RWHP/411 RWTQ (Mustang dyno). |
07-01-09, 08:32 PM
| | Banned Cadillac(s): 05 CTS-V | | Join Date: Jul 2008 Location: south jersey | | | Re: About to take GC kit off and throw in the woods!!! Please help.
double check the center shock bolt at the top... mine came off when driving 3 days after install (talking rear here) and made a huge bang.. but if you are getting noises i'd say you need to add the spacers in the like feffman found out for us... i have ZERO issues with my GC and i love it.. (except for the front squeeking, even with the $33 bearing per side in the front BIGGEST WASTE OF MONEY!!!) |
07-02-09, 01:04 AM
|  | Cadillac Owners Connoisseur Cadillac(s): 2005 Platinum CTS V with Black leather | | Join Date: Apr 2008 Location: North Jerzey | | | Re: About to take GC kit off and throw in the woods!!! Please help.
The more i read about the GC kit the less i want to take the plunge..so many mixed results
Has anyone installed the GC kit and retained the stock ride noise quality?(minus, those creaky ass TSB Spacers, now those were a waste of time) I just keep on hearing about bad results from this route and prolonged mod hell.. |
07-02-09, 01:34 AM
| | BLING IS AMERICAN RICE Cadillac(s): '04 CTS-V | | Join Date: Jun 2004 Location: Just North of Titletown... | | | Re: About to take GC kit off and throw in the woods!!! Please help.
Quote:
Originally Posted by shadybx7  The more i read about the GC kit the less i want to take the plunge..so many mixed results
Has anyone installed the GC kit and retained the stock ride noise quality?(minus, those creaky ass TSB Spacers, now those were a waste of time) I just keep on hearing about bad results from this route and prolonged mod hell.. | The only issue I had was a squeaky driver's side bump stop. A bit of greasing a few times over a few months and I don't hear it anymore. Other than that, I've been very happy with the GC... |
07-02-09, 02:35 AM
|  | Cadillac Owners Enthusiast Cadillac(s): 2004 CTS-V | | Join Date: Mar 2005 Location: Gillette, WY Age: 28 | | | Re: About to take GC kit off and throw in the woods!!! Please help.
Quote:
Originally Posted by shadybx7 The more i read about the GC kit the less i want to take the plunge..so many mixed results
Has anyone installed the GC kit and retained the stock ride noise quality?(minus, those creaky ass TSB Spacers, now those were a waste of time) I just keep on hearing about bad results from this route and prolonged mod hell.. | Honestly, in my opinion, the huge increase in handling and the adjustability of the GC Kit makes even the clunking worth it. And the price is so reasonable you can't go wrong with the kit. Just try the kit and if the clunking over bumps really bugs you then do the Feffman fix and be done with it. I have had my kit on for 3 years and have not had any problems other than clunking which I have gotten used to.
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2004 CTS-V
Mods: Lingenfelter CAI, OEM style spoiler, CCW SP600 wheels (19"x9" and 19"x10"), Toyo Proxes R888 (F: 235/35YR19 - R: 295/30YR19), Magnaflow Cat-back, UUC Shifter w/ Lindsay bushings, FG2 shocks, GC Coilover Kit (600f/650r), Hotchkis Swaybars, Custom FRCs, Kooks 1 3/4" Cermakromed LT Headers & HiFlo cats, ARP Header Studs, Granatelli 1200* Wires, NGK TR55ix Plugs, OC Autosports D&S Rotors, Hawk Pads, SS Brake Lines, 561 Wheelhop Kit, D.R.E. Dyno Tune = 351 hp/ 365 ft-lbs (corrected) |
07-02-09, 08:22 AM
| | Mods on hold till diff gets fixed. Cadillac(s): 2005 CTS-V | | Join Date: Jan 2005 Location: South Lyon, MI Age: 60 | | | Re: About to take GC kit off and throw in the woods!!! Please help.
Quote:
Originally Posted by shadybx7 The more i read about the GC kit the less i want to take the plunge..so many mixed results
Has anyone installed the GC kit and retained the stock ride noise quality?(minus, those creaky ass TSB Spacers, now those were a waste of time) I just keep on hearing about bad results from this route and prolonged mod hell.. | I agree with tbjs and tweeter. The ride is firmer but not at all harsh. Add the Feffman Fix, then sit back and enjoy how much better the car looks, too. |
07-02-09, 09:01 AM
|  | Cadillac Owners Connoisseur Cadillac(s): 2005 CTS-V | | Join Date: Nov 2005 Location: Spring, Texas | | | Re: About to take GC kit off and throw in the woods!!! Please help.
I am still on the fence about Ground Control because I will need a new set of shocks at the same time.
Whether I get replacement FG2s, QA1s or anything else + Ground Control, + the other bits & pieces required to make GC quiet I get a cost roughly equal to a set of KW Coilovers that reportedly have no issues.
Therein lies the conumdrum. |
07-02-09, 09:21 AM
|  | It's a V thing. Cadillac(s): 05 LS6 Stealth Grey | | Join Date: Dec 2004 Location: Tailgating at Giants Stadium Age: 29 | | | Re: About to take GC kit off and throw in the woods!!! Please help.
What exactly is the Feffman fix? Are they the bearings for the fronts? I am in need of a suspension overhaul. I really don't want to go into another mod hell as my sway bars are my nemisis right now.
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"The SR71, this is what an airplane is supposed to be. She's ugly on the ground, leaks like a sieve, but up around Mach 1, the seals all expand, she dries up, leans into the wind and flies like a bat out of hell. I took her right to the limit, 128,000 feet." -Tommy Lee Jones aka Hawk Hawkins in Space Cowboys. Reminds me of a certain car, minus the ugly part. |
07-02-09, 09:31 AM
| | Cadillac Owners Connoisseur Cadillac(s): 2005 CTS-V | | Join Date: Nov 2005 Location: Spring, Texas | | | Re: About to take GC kit off and throw in the woods!!! Please help.
Quote:
Originally Posted by ahahnu What exactly is the Feffman fix? Are they the bearings for the fronts? I am in need of a suspension overhaul. I really don't want to go into another mod hell as my sway bars are my nemisis right now. | This thread contains links to two different options on bearings to make the front quiet. http://www.cadillacforums.com/forums...se-issues.html |
07-02-09, 10:26 AM
| | Banned Cadillac(s): 05 CTS-V | | Join Date: Jul 2008 Location: south jersey | | | Re: About to take GC kit off and throw in the woods!!! Please help.
The bearings dont work! it still squeeks.. i bought the $33 each bearing and it squeeks, but to all on the fence... jump on over! do the Feffman fix in the back and the back will be fine... in the front if you want to do the bearings dont get the sealed ones for $66 just do unsealed ones... i can get 2 of them for about $25 lol...
as we all can see some people cant stand a click of creek, where i will deal with a fcking squeek for the great handling.... PUSH THE THROTTLE DOWN AND YOU WONT HEAR THE SQUEEK!!! lol | | Cadillac Discussion Tools | | | 
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