Symptoms of a broken Rear Suspension Spring
Car is leaning
So, the suspension springs support the weight of your car at each wheel. Which means the rear suspension springs support the weight of the rear wheels. Which means that, if they fail, you might find your car leaning towards one of those wheels.
It looks funny, I’ll admit. But it’s no laughing matter. So, if you see your car leaning towards the rear driver’s side wheel, or the rear passenger’s side wheel, you very well may have a malfunctioning rear suspension spring.
Your car also might just sit a little bit too low in the back, which, again: Looks funny, but no laughing matter.
Keep your eye open for when your car doesn’t look right. Usually an important sign.
Knocking noise
Hopefully you don’t need to be told that your car shouldn’t be making weird noises.
If your car has damaged rear suspension springs, then it will likely make a knocking noise. You’ll notice this noise coming from the suspension when you drive over bumps, or other imperfections in the road. It’s the sound of busted suspension springs being forced to move when they don’t work.