TSB: Some 2019 ? 2020 model year TRD Pro Edition 4Runner vehicles may exhibit a knocking noise when driving at low speeds over uneven road surfaces (small bumps and dips) in cold conditions. The noise is noticeable in cold temperatures (less than 40?F) and diminishes as temperatures increase. The TRD Pro shock absorbers have been improve noise performance. Follow the Repair Procedure in this bulletin to address the condition.
full bulletin at NHTSA ↗2019 Toyota 4Runner suspension problems
moderate Owners of the 2019 Toyota 4Runner have filed 4 NHTSA complaints about the suspension at roughly $900 to repair (U.S. federal records, as of August 2026). Source: NHTSA Office of Defects Investigation. See suspension across all vehicles →
Complaints
4
Recalls
0
Avg fix
$900
| Model year | suspension complaints |
|---|---|
| 2015 4Runner | 7 |
| 2016 4Runner | 9 |
| 2019 4Runner (this page) | 4 |
| 2020 4Runner | 3 |
| 2021 4Runner | 3 |
| 2022 4Runner | 3 |
When does it fail?
Of the 4 suspension complaints filed for the 2019 Toyota 4Runner, here's the actual mileage breakdown — failures cluster heaviest at 0-25,000 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.
TT: Some 2019-2020 model year 4Runner SR5 and TRD Off Road grade models with Dunlop Grandtrek AT20 P265/70R17 tires may experience vibration (flutter) in the steering wheel when driving at highway speeds 55 mph and above.
full bulletin at NHTSA ↗TSB: Some 2014 ? 2019 model year 4Runner vehicles may exhibit a whine/groan noise from the rear of the vehicle. This condition may occur while driving at approximately 40 ? 60 mph at a consistent speed, slight acceleration, or slight deceleration. This condition may be caused by rear differential vibration transferring through the chassis and body. Follow the Repair Procedure in this bulletin to improve this condition
full bulletin at NHTSA ↗TSB: Some 2014 ? 2019 model year 4Runner vehicles may exhibit a whine or groan noise from the rear of the vehicle. This condition may occur while driving around 40 ? 60 mph at a consistent speed, slight acceleration, or slight deceleration. This condition may be caused by rear differential vibration transferring through the chassis and body. Follow the Repair Procedure in this bulletin to improve this condition.
full bulletin at NHTSA ↗TT: Some 2019 model year 4Runner?s equipped with the TRD PRO package and Fox shocks may experience a ?knocking? noise over bumps with cool ambient temperatures, normally below 35 degrees Fahrenheit.
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 trd pro tuned fox shocks make audible hollow 'thunk' sounds when traveling over small bumps or cracks in concrete at low speed (<15mph) when temperatures drop below 50 degrees f. It occurs in the front and rear shocks. The rear shocks also make excessive noise under the same weather conditions when turning in reverse from an incline to a flat surface.
The contact owns a 2019 Toyota 4Runner. The vehicle was taken to a local dealer where it was discovered that the undercarriage was rusted. The vehicle was not repaired. The contact stated while driving at an undisclosed speed and making a left turn, the vehicle jerked and almost crashed into another vehicle. The contact was able to regain control of the vehicle and pulled over the shoulder of the…
Had suspension trouble with your 2019 Toyota 4Runner?
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 2019 Toyota 4Runner?
It's a documented issue but not catastrophic. 4 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 4 complaints filed, suspension issues most often appear around 22,700 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/2019/Toyota/4Runner.
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.