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07-28-2009, 02:52 PM
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CC Member
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Join Date: Mar 2008
Location: Mountain View,
ca
Cobra Make, Engine: SPF2914 Sunset / Titanium
Posts: 233
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Not Ranked
Has any solved the r/r SPF rattle yet?
Hi all,
I think I just to hear the dreaded r/r suspension(?) rattle / clunk noise from my SPF over bumps today. I recall this thread floating around several times in the last couple of months. Has anyone found & solved their noise yet? I just noticed at lunch, so I have not had a chance to get under the car yet.
Andrei
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07-28-2009, 03:25 PM
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CC Member
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Join Date: Dec 2001
Location: San Diego,
CA
Cobra Make, Engine:
Posts: 2,979
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Not Ranked
I believe it's usually the right front differential mount or the CV joint hitting the lower control arm.
__________________
Remember, It's never too early to start beefing up your obituary.
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07-28-2009, 04:13 PM
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CC Member
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Join Date: Sep 2002
Cobra Make, Engine: SPF#0760
Posts: 3,405
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Not Ranked
Check your sway bar bolts, and shock bolts. And by your car number, I see you fall into the fuzzy area where there was an issue witht the bolts on the calipers not having enough loctite used during final assembly, so check those too for sure....PM me and I'll send you the details...
__________________
Wiring Diagrams: SPF MKII, MKIII, GT40, CSX7000, CSX8000, Corvette Grand Sport, and Shelby Sebring, Bondurant & Cinema Tribute Cars.
Owner’s Manuals: SPF MKII, CSX7000, CSX8000, Sebring, Bondurant, Cinema Tribute Cars $ GT40’s..
Large, easy to read and trace schematics with part numbers, wire colors, wire gauge, fuses, and electrical upgrade information. Trouble-shooting and replacement part numbers for those roadside repair adventures.
SPFWiringDiagrams@Comcast.net
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07-28-2009, 05:25 PM
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CC Member
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Join Date: Mar 2008
Location: fremont,
ca
Cobra Make, Engine: superformance/427 fe ford
Posts: 436
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Not Ranked
have you checked to make sure the sidepipe mount is not hitting the underbody?
__________________
1952 MG TD - 53 HP 1970 SS454 Chevelle - 900hp 2007 spo2669 - 485hp 2001 Spclconst. softtail - 114HP 2006 Roadglide - 88HP
sold Roadglide.....bought 09 XR 1200 - 90 hp stock
i would rather live one day as a lion, than one thousand days as a lamb.
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07-28-2009, 10:36 PM
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CC Member
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Join Date: Mar 2008
Location: Mountain View,
ca
Cobra Make, Engine: SPF2914 Sunset / Titanium
Posts: 233
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Not Ranked
I am trying to check only a couple of things at a times, so I know for the future what actually fixed it. So far it is not the roll bar, lower control arms, side pipes, lower shock bolts or gas tank. Tomorrow night I will cross more off the list and hopefully have a quieter drive home!
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07-29-2009, 12:12 AM
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Senior Club Cobra Member
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Join Date: Feb 2007
Cobra Make, Engine: KMP 539, a Ton of Aluminum
Posts: 9,591
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Not Ranked
Isn't this what Randy Rosenberg was experiencing with his SPF? I clearly remembering him jumping up and down inside his car in order to show us some type of noise from the rear of the car.
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07-29-2009, 07:43 AM
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CC Member
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Join Date: Dec 2006
Cobra Make, Engine:
Posts: 96
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Not Ranked
I had the same thing. #2807 I installed these rear brackets:
http://performanceunlimited.com/cobr...sionmount.html
Noise went away.
It could be the rear springs moving around in their perches. My front springs were too wide. Hillbank put in 4 new springs and shocks.
Good luck |
07-29-2009, 08:45 AM
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CC Member
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Join Date: Jun 2005
Cobra Make, Engine:
Posts: 3,077
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Not Ranked
lube your sway bar where they go through the sway bar bushings.
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07-29-2009, 09:33 AM
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Banned
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Join Date: Oct 2003
Location: Yorba Linda,
CA
Cobra Make, Engine: SPF w/392CI stroker
Posts: 3,293
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Not Ranked
trunk bracket...rattles over bumps all the time.
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07-29-2009, 10:01 AM
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Senior Club Cobra Member
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Join Date: Jun 2007
Location: Covington,
wa
Cobra Make, Engine: Superformance # 532, 466 BB, 560HP
Posts: 3,027
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Not Ranked
I had this problem last Friday after I stopped for lunch.
Some A-Hole opened my gas cap and left it open.  Probably looking to see if it's real.
__________________
John Hall
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07-29-2009, 01:56 PM
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Senior Club Cobra Member
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Join Date: Jul 1999
Location: SF Bay Area,
CA
Cobra Make, Engine: SPF #1019
Posts: 1,657
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Not Ranked
Quote:
Originally Posted by RodKnock
Isn't this what Randy Rosenberg was experiencing with his SPF? I clearly remembering him jumping up and down inside his car in order to show us some type of noise from the rear of the car.
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I had a SQUEEK, not a RATTLE, and it little lubrication here and there, and vuala! It's solved.  |
07-30-2009, 07:43 AM
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CC Member
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Join Date: Nov 2006
Location: Houston,
TX
Cobra Make, Engine: Superformance SP02228, ROUSH 402R w/custom DiVinci Performance Carb.
Posts: 440
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Not Ranked
11,000 miles in 2 years not a sound.... that i can hear. each time i have had the car on a lift the springs "popped" back into place with in 10 miles.
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