nskyline342
Active Member
hey i installed my function form type 1 not too long ago...maybe about a week and the first 2 or 3 days was fine but then now i notice a knocking sound only in my rears. Any one kno why this is happening?
Knocking noise after installing FF1
- Thread starter nskyline342
- Start date
SSMNVCG3
6GA Supporting Member
are you sure its your rears and not your upper control arms in the front hitting your strut towers?
and does it happen when going over bumps?
and does it happen when going over bumps?
001Stunna
Well-Known Member
Well for starters...
Did you only pre-load the springs about 5mm from their free length?
Did you tighten all 3 locking perches as tightly as you could?
Did you adjust the cars height only by adjust the lower mount(in/out)?
Did you tighten the lower mount nuts to the correct torque?
Did you recheck and retighten the top mounting nuts for the dampers?
Have you checked on the dampers lower mount if anything is hitting/grinding on it?
Can you hear the sound if you push down on your rear with your own power(open the trunk and push on the edge so you do not dent your trunk)
Darianjr1
Well-Known Member
You gots to get us more detailed info.
