This preliminary informational (PI) bulletin provides information to dealership personnel that may be helpful when addressing underbody component corrosion with customers.
full bulletin at NHTSA ↗2018 GMC Yukon suspension problems
moderate Owners of the 2018 GMC Yukon have filed 6 NHTSA complaints about the suspension at roughly $900 to repair (U.S. federal records, as of July 2026). Source: NHTSA Office of Defects Investigation. See suspension across all vehicles →
Complaints
6
Recalls
0
Avg fix
$900
| Model year | suspension complaints |
|---|---|
| 2015 Yukon | 12 |
| 2016 Yukon | 6 |
| 2017 Yukon | 10 |
| 2018 Yukon (this page) | 6 |
| 2021 Yukon | 5 |
| 2022 Yukon | 4 |
When does it fail?
Of the 6 suspension complaints filed for the 2018 GMC Yukon, here's the actual mileage breakdown — failures cluster heaviest at 50,000-75,000 mi.
0-25k
25-50k
50-75k
75-100k
100-125k
125-150k
150k+
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
What stands out
No new NHTSA suspension complaint has been filed on this vehicle in over 5 years — the issue may be aging out of the active population.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering suspension on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
This service bulletin advises the tech to only replace the shock that is bad and not all shocks.
full bulletin at NHTSA ↗This service bulletin provides information on Wheel Alignment Specifications, Requirements and Recommendations for GM Vehicles.
full bulletin at NHTSA ↗This service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and strut due to fluid leak.
full bulletin at NHTSA ↗This service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and strut due to fluid leak.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 2 most recent
The front shock absorbers on my 2018 yukon denali are leaking. The car is 2 years old with approximately 67k miles. GMC has the absorbers on back order as they are apparently being replaced frequently. I think the shock absorbers have design faults that assure they will need replacing well before the normal life of the product and therefore should be recalled and replaced with a better…
Air conditioner condenser faulty and had to repaired. Premium Ride Shocks faulty and had to be repaired. Lifters and bent pushrod faulty and had to be repaired. Vehicle currently has approximately 70,000 miles. These are all known issues by GM and very expensive to fix and no recalls.
Had suspension trouble with your 2018 GMC Yukon?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the suspension problem on the 2018 GMC Yukon?
It's a documented issue but not catastrophic. 6 complaints have been filed. Repairs average $900 and most owners catch it before it causes a breakdown.
At what mileage does the suspension typically fail?
Based on the 6 complaints filed, suspension issues most often appear around 56,334 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
What does it cost to fix?
Independent shops typically charge around $900 for suspension repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to suspension?
No active recalls currently cover suspension issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2018/GMC/Yukon.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.