GM Parts Club
Most suspension problems announce themselves well before they strand anybody. On a 2021-2024 Trailblazer, these are the ones worth acting on.
1. A ride height that sits lower on one corner
It rarely gets better on its own, and it usually gets louder before it gets expensive. Start by looking at control arms.
2. The nose diving noticeably further under braking than it did new
This one is usually early, which is good news, because it is cheap to fix early. Start by looking at ball joints.
3. The body keeps moving after you cross a dip instead of settling once
This is the symptom people put off longest and regret most. Start by looking at struts.
4. Uneven or feathered tire wear on the inside or outside shoulder
It rarely gets better on its own, and it usually gets louder before it gets expensive. Start by looking at shocks.
5. A clunk over expansion joints that you feel in the floor more than you hear
This is the symptom people put off longest and regret most. Start by looking at struts.
What to Do Next
Shocks and struts are wear items. Plan on inspection at 50,000 miles and replacement somewhere between 60,000 and 100,000 depending on road quality and load.
Trim and package content matters enormously here. Off-road packages, air ride and adaptive or magnetic damping all use different parts than the base vehicle wearing the same model name.
We have been selling GM parts online since 2009 and out of the Dallas store since 1956. Start with our Chevrolet OEM parts catalog, or search for Trailblazer shocks.
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