G50 rear supspension

[MR. Q]

I have a 90 Q and I had a post up a few days ago about my front suspension. I thought that the vibration that I was feeling was coming from the front right of the car when it actually is coming from the rear right. I was wondering what part of the 4 link suspension might be the reason for this. I also want to know a good place to get new parts from that will beat the dealer price. I replaced the struts about 1 and a half years ago but the rest of the parts I assume are since the day she was made in japan. Though I believe all the parts except the strut are worn out on that side I want to know what to replace first. At about 30-40 mph you can feel it but at highway speeds it goes away depending on the road surface. I was thinking the lower control arm. Any suggestions NICO fam?

[maxnix]

First, you should replace all the rubber associated with the strut replacement. There are many possible contibutors to the RR vibration. examine all rubber compnents first, including subframe bushings.

[Q45tech]

Vibrations REQUIRE some type of excitation [rotational imbalance].

Find the source of excitation, then worry ABOUT WHY the vibration is being transmitted and not damped .

Make sure tires, wheels, rotors are perfect first!

[elwesso]

the vibration you describe seems like classic driveshaft.