Installed Subframe Connectors... now have pop noise from rear

[Albert SVT]

I had a pair of Hans subframe connectors installed (professionally by a well recommended shop on a drive-on lift) and noticed a pop noise coming from the trunk/rear fender area whenever driving diagnolly over small inclines/driveways. The noise is actually more like a knock. Like someone is tapping the rear fender with their knuckle. Anyway, I heard it a couple times a day after the install and then it went away for about a month. Well, today it decided to come back and is popping/knocking even more that before. In case this matters, the weather has changed dramatically these past couple days (rainy and cold).

PS - I had a similar pop noise before the SFC was installed but it was slighter and sounded more like a "tink" rather than the current "knock".

Any ideas or suggestions?

 

[Hye]

I have noticed my car making an extra few popping noises since its been cold and raining this past week. Not sure if this helps or not. I think it could possibly be weather related.

 

[Albert SVT]

I'm suspecting that as well. Crazy ass weather we've been having huh?

 

[jimh]

It could be one of the swaybar bolts on the rear. They are known to loosen and cause a popping sound entering/exiting off camber drives. May be more noticible now because the chasis is not flexing as much so the sway bar is being torqued more. There's a TSB for it. You can just go under and tighten the bolts. It's not the end link bolts it's the ones up by the trunk.

 

[Albert SVT]

Thanks Jimh, I'll check it out.

 

[Mrcobraguy]

Or they might have welded the end of it which you should do just weld it on the sides becuase it will flex. Put it up on a lift and check it out.

 

[dezracer]

Your all wrong. :nono: ...Stiffening the chassis on these cars changes the structual dynamics and often results in stored energy from bushings, flex joints,tierods etc. coming out in the form of a pop sound usally in the rear.Sometimes installing SFC makes it go away,and sometimes it brings the pop to the surface.

These cars flex...the 05 will not!!!!

 

[Albert SVT]

Or it could be this maybe? http://www.modularfords.com/forums/showthread.php?t=20961

 

[vipergts281]

I actually noticed today that my pop noise came back. I had Ford tighten the IRS bolts almost a year ago. Never really heard the noise again. Now all of the sudden I hear it alot. It made the noise about 10 times today on my 40 minute drive home from work. And most of pops came when I was going around a turn....not on an incline or decline like normal.

Or it could be this maybe? http://www.modularfords.com/forums/...ead.php?t=20961

Very interesting. I am going to have to look into that. Thanks for the link.

 

[Albert SVT]

Very interesting. I am going to have to look into that. Thanks for the link.

No problem. :thumbsup: