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 ↗2024 Chevrolet Blazer powertrain problems
moderate 4 complaints filed with NHTSA · avg repair $2,500 · see powertrain across all vehicles →
Complaints
4
Recalls
0
Avg fix
$2,500
What stands out
Of the 6 model years of Chevrolet Blazer we track for powertrain problems, this one has the fewest owner complaints on file (4).
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering powertrain 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 provides repair information to correct a customer concern of a transmission fluid leak.
full bulletin at NHTSA ↗This service bulletin provides repair information to correct a customer concern of a transmission fluid leak.
full bulletin at NHTSA ↗This service bulletin provides repair information to correct a customer concern of a transmission fluid leak.
full bulletin at NHTSA ↗This service bulletin provides repair information to correct a customer concern of a transmission fluid leak.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 3 most recent
The transmission in my 2024 Chevrolet Blazer is very noisy often making whining and grinding sounds and I experience rough shifting and transmission hesitation during acceleration or gear changes.
Purchased a brand new 2024 Blazer on [XXX] - 11 miles on the vehicle from Friendly Chevrolet in Dallas, TX. Transmission failed at 1150 miles in Galveston, TX on [XXX]. According to the Galveston Dealership an extensive transmission repair was performed on the vehicle at 6 miles. According to the GM rep I spoke with, that maintenance was performed as a Service Bulletin Recall. Car was transported…
Vehicle has only 1650 miles on it. It is driven conservatively especially so during the first 1000 miles of use “break in period”. Was leaving our neighborhood and the vehicle was searching for a gear, revving and jerking. Check Engine light came on. Limped the vehicle slowly back home and contacted dealer. Had vehicle towed to dealer and they diagnosed the issue as a faulty valve body. Part is…
Had powertrain trouble with your 2024 Chevrolet Blazer?
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 powertrain problem on the 2024 Chevrolet Blazer?
It's a documented issue but not catastrophic. 4 complaints have been filed. Repairs average $2,500 and most owners catch it before it causes a breakdown.
At what mileage does the powertrain typically fail?
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
What does it cost to fix?
Independent shops typically charge around $2,500 for powertrain 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 powertrain?
No active recalls currently cover powertrain 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/2024/Chevrolet/Blazer.
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.