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Old 04-17-2014, 11:17 AM   #1
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Car clunk

Here's a pic of under car. Anything look wrong Click image for larger version

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Old 04-17-2014, 11:21 AM   #2
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Old 04-17-2014, 11:24 AM   #3
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Old 04-17-2014, 11:41 AM   #4
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huh?
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Old 04-17-2014, 11:44 AM   #5
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My car makes a popping noise when going over little bumps even at really slow speed. Installed sr springs .
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Old 04-17-2014, 12:00 PM   #6
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Did you install new shocks/struts as well? I would advise against using the factory struts with lowering springs as they are not made for lowering springs and will wear out quick. You sure its not a clunking noise? Most people who lower their car have a clunking noise and the GT500 strut mounts are needed to fix the clunking noise.
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Old 04-17-2014, 12:02 PM   #7
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But then I need new struts..
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Old 04-17-2014, 12:05 PM   #8
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Also I would suggest getting an adjustable panhard bar to fix your side to side alignment once you lower your car one of the rear tires will stick out more than the other tire. And adjustable camber plates are sometimes needed to get your toe/caster back into alignment after lowering your car. I waited a full week before i did an alignment to give my springs a chance to fully settle down.
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Old 04-17-2014, 12:08 PM   #9
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You can half *** it or be cheap and just stick with the springs and no new struts/shocks but like i said the factory struts are not made for lowering springs and the newly increased stiffness aka spring rate that lowering springs have over your stock springs.
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Old 04-17-2014, 12:51 PM   #10
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Quote:
Originally Posted by Mattjohnson View Post
My car makes a popping noise when going over little bumps even at really slow speed. Installed sr springs .
Why didn't you post these in the thread you already created in this section rather than starting a whole new thread?
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Old 04-17-2014, 01:05 PM   #11
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Do u have cut outs? Or are ur flanges jacked up?!
Everything else looks normal to me.
Btw, u can add lowering springs only and be ok...not the most ideal, but it should work fine. An adjustable panhard to recenter the rear axel would be a plus, but also not mandatory...only moves the axel about an inch.
If the struts blow, just replace them then. At least u can get some miles on them first. I honestly think the oem struts will be fine for normal driving btw.
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Old 04-17-2014, 03:42 PM   #12
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Yes but had them welded shut they were a pain in the ***.
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Old 04-17-2014, 03:45 PM   #13
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How much did you drop? Nothing more than a 1.5 inch with OEM shocks!struts! Also as someone mentioned adjustable panhard bar is a must whenever lowering.

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Old 04-17-2014, 03:45 PM   #14
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1.5
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Old 04-17-2014, 03:51 PM   #15
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You should be fine with the OEM struts/shocks, its not a massive drop. Did you also put a adjustable panhard bar? I'm actually on my way up to the shop to install some 3.73s and my SR lowering springs. I changed my panhard bar last week, its a must if your lowering! New shocks/struts are always something to consider down the line though.

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Old 04-17-2014, 04:04 PM   #16
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Why a panhard ? What's causing the popping sound is it the sway bar end links ?
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Old 04-17-2014, 08:22 PM   #17
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Quote:
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Why a panhard ? What's causing the popping sound is it the sway bar end links ?
Because when you lower the car the rear Axel likes to push out to one side causing the axle To sit off center. The adjustable panhard bar is used to re- center the Axel. As for the clunking, pictures won't really be able to help us help you we can just give you some ideas on what it could be,, loose bolt somewhere, defective bushing, notorious front lower control arms, sway bar end links.....really hard to say.

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Gt500 spoiler, Gt500 stripes,2010 Gt premium wheels, Pirelli tires,Painted side mirrors covers,Upper and lower black billet grille,Pony projection lights,Boss 302 strut tower brace, SR lowering springs, Barton shifter bracket,Airaid Cai,Bama tuned,BBK shorty headers,Roush AB, 3.73 Ford racing gears.
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Old 04-17-2014, 08:24 PM   #18
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Originally Posted by willb2305 View Post
Also I would suggest getting an adjustable panhard bar to fix your side to side alignment once you lower your car one of the rear tires will stick out more than the other tire. And adjustable camber plates are sometimes needed to get your toe/caster back into alignment after lowering your car. I waited a full week before i did an alignment to give my springs a chance to fully settle down.
+1 also good advice for the OP.

2013 V6, Candy Apple Metallic.
Gt500 spoiler, Gt500 stripes,2010 Gt premium wheels, Pirelli tires,Painted side mirrors covers,Upper and lower black billet grille,Pony projection lights,Boss 302 strut tower brace, SR lowering springs, Barton shifter bracket,Airaid Cai,Bama tuned,BBK shorty headers,Roush AB, 3.73 Ford racing gears.
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Old 04-17-2014, 09:36 PM   #19
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There's a TSB on some bushing so I made an appointment at ford dealer tuesday
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Old 04-17-2014, 10:27 PM   #20
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Maybe too simple, but are your rear spring isolators positioned correctly? What did you weld? Strut mounts and control arm tsb would be front end noise no?
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Old 04-18-2014, 04:54 AM   #21
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There's a TSB on some bushing so I made an appointment at ford dealer tuesday
You may have some difficulty...as soon as they see you lowered the suspension, they most likely will not offer up any free warranty/TSB work for suspension issues.
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Old 04-18-2014, 05:23 AM   #22
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I'd say depends on the dealer and the part needing replacement. They definitely won't replace a broken spring though. I know that I just voided the rear axle warranty on my ride today with a 3.73 gear! Lol. Can't wait to pick it up tonight.

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Gt500 spoiler, Gt500 stripes,2010 Gt premium wheels, Pirelli tires,Painted side mirrors covers,Upper and lower black billet grille,Pony projection lights,Boss 302 strut tower brace, SR lowering springs, Barton shifter bracket,Airaid Cai,Bama tuned,BBK shorty headers,Roush AB, 3.73 Ford racing gears.
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Old 04-18-2014, 05:30 AM   #23
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Typically, a suspension that has been lowered, in this case 1.5 inches, is on the borderline of having additional issues. The TSB he's mentioning has to do with bushings, and would only be a fix in stock suspension issues. I will be supprised if the dealer agrees to apply the TSB ton this case. I'd also be supprised if it corrects the problem, as he did not complain of "clunking" until after the suspension was lowered. If it was clunking prior to the spring change, it would have been wise to get it resolved under warranty (if its still available) or as a TSB prior to the suspension mod he did.

Hope it works out, but I'm doubtful in either case.
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Old 04-18-2014, 05:36 AM   #24
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Wondering if the op can go back to where it was installed to re check their work. When I pick up my ride tonight it will also have some SR lowering springs on it, I'll post any excess suspension noise I hear. If the OP really wants to do his tsb he can always put the stock springs back on, get the tsb done, then lower it again. It would be a pita but its an option.

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Gt500 spoiler, Gt500 stripes,2010 Gt premium wheels, Pirelli tires,Painted side mirrors covers,Upper and lower black billet grille,Pony projection lights,Boss 302 strut tower brace, SR lowering springs, Barton shifter bracket,Airaid Cai,Bama tuned,BBK shorty headers,Roush AB, 3.73 Ford racing gears.
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Old 04-18-2014, 05:45 AM   #25
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That may be helpful to the OP.

As mentioned in other posts, a 1.5 inch lowering can be fine, or it can cause other suspension issues, such as the rear axle being pushed slightly to the right (passenger side). And as it has already been mentioned, an adjustable panhard bar will correct that. I guess it all depends on the springs/tension that are used to lower the Mustang.

But he is complaining about a clunk noise, and from what I'm gathering, it happened after the lowered springs were installed. Any factory issues that a TSB resolves are not really going to apply here, unless it can be proven that they existed prior to the suspension mod.

If he had the springs installed at a shop, he needs to start there.
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Old 04-18-2014, 07:24 AM   #26
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That may be helpful to the OP.

As mentioned in other posts, a 1.5 inch lowering can be fine, or it can cause other suspension issues, such as the rear axle being pushed slightly to the right (passenger side). And as it has already been mentioned, an adjustable panhard bar will correct that. I guess it all depends on the springs/tension that are used to lower the Mustang.

But he is complaining about a clunk noise, and from what I'm gathering, it happened after the lowered springs were installed. Any factory issues that a TSB resolves are not really going to apply here, unless it can be proven that they existed prior to the suspension mod.

If he had the springs installed at a shop, he needs to start there.
+1

2013 V6, Candy Apple Metallic.
Gt500 spoiler, Gt500 stripes,2010 Gt premium wheels, Pirelli tires,Painted side mirrors covers,Upper and lower black billet grille,Pony projection lights,Boss 302 strut tower brace, SR lowering springs, Barton shifter bracket,Airaid Cai,Bama tuned,BBK shorty headers,Roush AB, 3.73 Ford racing gears.
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