rear end noise
06-30-15, 04:35 PM
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rear end noise
hi everyone i am new to this site but i've had my fd3s rx7 for around 8 years. I have a problem with a knocking noise coming from the rear end and don't know if it's brakes or suspension i found one guy with the same problem but no answers on you tube.
//www.youtube.com/watch?v=AyH6zyTKLtY
can anyone help.
//www.youtube.com/watch?v=AyH6zyTKLtY
can anyone help.
Last edited by russ barradell; 06-30-15 at 04:44 PM.
06-30-15, 07:01 PM
#2
Hard to tell from that video, I didn't really hear a knocking noise. It sounded more like a drive train issue...prop shaft, axles or differential.
If it's 'knocking', probably the most common cause is worn pillow-ball bushings. They're spherical and there are six of them (3 each side) in the rear suspension. Just a little slop in one can magnify and translate into serious knocking noises. https://www.rx7club.com/suspension-w...-video-905032/
It can be difficult to pinpoint which one. Put the car up with the suspension in full droop and sometimes it's easier to feel by physically shaking the various arms. Personally I'd change all six if any one is noisey.
If it's 'knocking', probably the most common cause is worn pillow-ball bushings. They're spherical and there are six of them (3 each side) in the rear suspension. Just a little slop in one can magnify and translate into serious knocking noises. https://www.rx7club.com/suspension-w...-video-905032/
It can be difficult to pinpoint which one. Put the car up with the suspension in full droop and sometimes it's easier to feel by physically shaking the various arms. Personally I'd change all six if any one is noisey.
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