99 GS4 and they can’t get the rear camber in spec it stays in the red. Anyone know what to look for? He said the arms look good he thinks it’s the struts but I’ve already replaced them. Any ideas what it could be? I’m not lowered, all stock.

 

Rear camber? The OEM upper and lower control arms are all fairly precise but they do have a bolt for specifically adjusting the camber on the lower control arm and the upper. If you have already set them both to their extreme position then you must have some worn out bushings or maybe something is bent. The control arms themselves are pretty heavy duty, so if something is bent it’s more likely the toe control arm or the traction control arm. But my bet would be on bad bushings on the lower control arm. Is it red in the positive or negative camber? Is it the same on both sides? Or what exactly are we talking about? If you put the rear end upvon jack stands so both tires are just up high enough to spin but not so high that if it came off it would be a catastrophe, then try to wiggle the wheels, it’s probably going to have some movement in and out at the top or bottom, u might need to get someone to watch for where its moving while you muscle it around. Probably time to replace the upper control arm and/or the bushings in the lower control arm.

 

yea it’s maxed out he kept trying to turn the bolt and at least it is negative camber since that can have its benefits. He also had a problem with the front left camber that was as good as he could get that one as well and the front had basically all the control arms replaced so I’m not even confident changing rear control arms would help. Still drives good but I would love to see everything in the green

 

Probably need to replace the rear upper control arms. The tire wear won’t be to bad and I guess u could let it go if it’s the bushings and the ball joint is still ok. You’ll probably have increased wear on the other bushings and find more issues down the road. So I guess just see about that upper ball joint, inspect the boot for tears, repack it with grease if it still looks tight, and rotate your tires. I have all 4 corners of my car set at neg 4 degrees, i had to get adjustable control arms to get em like that, and my tires don’t get much life but it sure handles great and it’s a look that gets a lot of attention.

 

Pretty common for the cam adjuster bolt to be frozen due to corrosion. Given you live in NY, if the car is native, that's a likely scenario. If the alignment tech can't get it to turn, this could be the problem. Cutting it out and replacing it is an option.