new control arms and springs now knock from rear???
#1
new control arms and springs now knock from rear???
I just installed upper and lower tubular control arms in the rear and installed lowering springs now when im taking off or when giving it gas i get a knock noise from the rear. I checked all my bolts everything is tight. What could be causing this? Its a 94 mustang. thanks for the help
#2
6th Gear Member
Join Date: Aug 2011
Location: Thomasville, NC Where we beat headers into submission!!
Posts: 7,233
You might get more responses if you post in the generation specific section. I wish I could help you figure it out...
How much did you lower it? Could it be the driveshaft making contact with the floor pan?
How much did you lower it? Could it be the driveshaft making contact with the floor pan?
#6
I just installed upper and lower tubular control arms in the rear and installed lowering springs now when im taking off or when giving it gas i get a knock noise from the rear. I checked all my bolts everything is tight. What could be causing this? Its a 94 mustang. thanks for the help
If you have poly bushings, the noise can be permanent if the bushings are not grease-able. Some companies ship a special silicone installation grease that counters these noises. If they are installed dry they can make quite a bit of noise and it may not go away.
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