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12-02-2006, 12:17 PM
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#1
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Brake light coming on and rear end
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Young Stunta
Join Date: Mar 2006
State: Georgia
Posts: 1,452
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Ok so lately when I got to stop my brake light comes on. Plus I think my rear end is starting to mess up. It feels like it jumps. Now it could be from me catching seconds every wear I go haha. Its been doing it for awhile but seems to have gotten worse. I was wondering if the brake light coming on when I start to stop has a connection with my rear end. |
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12-02-2006, 01:19 PM
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#2
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Re: Brake light coming on and rear end
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Registered User
Join Date: Nov 2006
City: Lancaster
State: Ohio
Posts: 7
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first low brack fluid @ then check your u-bolts on your rear end thats what I would try first. |
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12-02-2006, 01:21 PM
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#3
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Re: Brake light coming on and rear end
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Registered User
Join Date: Nov 2006
City: Lancaster
State: Ohio
Posts: 7
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brake fluid not brack fluid |
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12-02-2006, 02:23 PM
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#4
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Re: Brake light coming on and rear end
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Bob is Good.
Join Date: Jun 2004
City: Greenville
State: Texas
Posts: 5,222
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Yeah, it just about has to be because of low break fluid.
As far as the rear end "jumping", does it do this most when you first start driving the car? If so, it could just be your tires. I imagine you have Z-rated tires. Tires with soft compounds like that have a tendency to "shake" when they are cold. Once they get warmed up after driving a minute, the problem should go away though. |
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12-02-2006, 03:39 PM
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#5
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Re: Brake light coming on and rear end
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^needs more bondo
Join Date: Sep 2003
City: Modesto
State: California
Posts: 9,630
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1) brake fluid is low.
2) solid rear sucks. mine jumps all over the fucking place where the same roads the cobra doesnt. reason why im switching to IRS on the GT.
__________________
-Thomas-
2003 Redfire Cobra - 448whp/435wtq 
1990 Eclipse GSX - Sold 
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12-02-2006, 04:18 PM
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#6
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Re: Brake light coming on and rear end
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Young Stunta
Join Date: Mar 2006
State: Georgia
Posts: 1,452
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Well if I let off the gas it jumps. It jumps even when I press the gas. |
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12-02-2006, 05:08 PM
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#7
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Re: Brake light coming on and rear end
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You want to **** me?
Join Date: Jun 2003
City: Kansas City
State: Missouri
Posts: 12,414
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Uh, no.
Solid rear does not suck... what sucks is the half ass engineered piece of shit Ford calls an IRS. 
__________________
-Mike
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12-02-2006, 05:08 PM
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#8
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Re: Brake light coming on and rear end
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Eyes So Tight I Pass For An Asian
Join Date: May 2003
City: Huntsville
State: Alabama
Posts: 27,555
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12-02-2006, 07:07 PM
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#9
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Re: Brake light coming on and rear end
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Mustang Evo NEWB
Join Date: Aug 2004
City: millville
State: New Jersey
Posts: 4,980
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so it 'slams' into coasting/slams when you get back on the gas? is it a clunk or a jerk? and is your car auto or manual trans?
__________________
1992 Mustang LX hatchback.. 1 of 542 black on black
2003 Regal GS - the beater/daily driver - somewhat stock. No its not a mustang, at least it's blown.
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12-02-2006, 08:54 PM
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#10
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Re: Brake light coming on and rear end
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^needs more bondo
Join Date: Sep 2003
City: Modesto
State: California
Posts: 9,630
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you go ahead and keep telling yourself that 
__________________
-Thomas-
2003 Redfire Cobra - 448whp/435wtq
1990 Eclipse GSX - Sold
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12-02-2006, 09:28 PM
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#11
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Re: Brake light coming on and rear end
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You want to **** me?
Join Date: Jun 2003
City: Kansas City
State: Missouri
Posts: 12,414
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Likewise, "all those cobra guys" dont swap out their IRS for a solid rear for no reason...
__________________
-Mike
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12-03-2006, 05:11 AM
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#12
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Re: Brake light coming on and rear end
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Bob is Good.
Join Date: Jun 2004
City: Greenville
State: Texas
Posts: 5,222
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You don't quit, do you?
Good, because I don't either.
The IRS in the 99-04 Cobras is well known for its amazing capability to suck.
Last edited by bbunt302; 12-03-2006 at 02:23 PM..
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12-03-2006, 10:28 AM
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#13
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Re: Brake light coming on and rear end
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Mustang Evo NEWB
Join Date: Aug 2004
City: millville
State: New Jersey
Posts: 4,980
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don't hijack this thread dangit.. back on topic :: see my post above, riden..
__________________
1992 Mustang LX hatchback.. 1 of 542 black on black
2003 Regal GS - the beater/daily driver - somewhat stock. No its not a mustang, at least it's blown.
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12-03-2006, 12:53 PM
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#14
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Re: Brake light coming on and rear end
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Bob is Good.
Join Date: Jun 2004
City: Greenville
State: Texas
Posts: 5,222
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U-joints would be my next guess.
Also, have you swapped the gears yet? If so, maybe they weren't shimmed absolutely correctly.
I suppose the calipers seizing up could also cause it like Brent mentioned, because from what I've seen the 99+ rear calipers seem to have a history of doing so. Check your rear rotors and look for any signs of unusual wear, mainly any type of groove being cut into the rotor. If this was the case though, you'd probably be experiencing more symptoms than you are (like a horrible grinding/scraping noise). |
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12-04-2006, 12:29 PM
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#15
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Re: Brake light coming on and rear end
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Young Stunta
Join Date: Mar 2006
State: Georgia
Posts: 1,452
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Wel I put some brake fluid in and the light stopped coming on haha. My stupidity Now at least I know to check it  But something in the rear end keeps clunking still. Im goin to have to go get it checked out somewhere. |
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12-04-2006, 03:06 PM
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#16
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Re: Brake light coming on and rear end
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^needs more bondo
Join Date: Sep 2003
City: Modesto
State: California
Posts: 9,630
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cause theyre usually strip only cars, or cars that see little street use. at the power level there isnt enough R&D in IRS to handle those stresses, so most go with a solid rear thats been in use for almost half a century.
good, dont quit.
Prove why it sucks. Prove to me why Solid Rear has any advantage in anything other than a fully built drag application. Prove to me why guys with drag radials and a IRS brace are outlaunching most AWD cars and having equal 60ft's as some tubbed and chubbed big blocks. Black 04 cobra at the track with DR's and IRS brace was running 11.4's consistently with a 1.6-1.7 60ft. can you do that with DR's? youd prolly be lucky to get a 1.9 or a 2.0 with solid rear jumping all over the place.
I guess thats just the mentality of those still stuck in their 5.0 world.
__________________
-Thomas-
2003 Redfire Cobra - 448whp/435wtq
1990 Eclipse GSX - Sold
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12-04-2006, 04:03 PM
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#17
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Re: Brake light coming on and rear end
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Arrive. Raise hell. Leave.
Join Date: Sep 2006
City: Katy
State: Texas
Posts: 1,803
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__________________
~Roman~
2003 Mustang V6 Vert with a Flowmaster Super 40 series dual exhaust
I'm not a target in the sights of your mercy. I've never asked for anything. I'm not asking now.
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12-04-2006, 04:53 PM
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#18
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Re: Brake light coming on and rear end
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Young Stunta
Join Date: Mar 2006
State: Georgia
Posts: 1,452
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Damn just tell me whats wrong with my freking car plz. I was stopped at the red light today and let off the brake to ease up and felt a slight Clink. | | |
