I WAS DRIVING TO A CHURCH FUNCTION WITH MY WIFE AND ABOUT 30MPH UNDER ACCELERATION, MY TRUCK STARTED LUGGING LIKE IT WAS IN 6TH GEAR. IT STARTED SHAKING THEN THE TACHOMETER WAS FLUCTUATING UP AND DOWN ABOUT 500 RPM'S. I CHECKED THE TRANSMISSION FLUID AND LOOKED GOOD. I HAVE A VERY IMPORTANT BUSINESS TRIP TOMORROW MORNING AND NOW I AM STUCK. I TOOK IT FOR ANOTHER DRIVE TO SEE IF THE PROBLEM OCCUR…
2009 chevrolet Avalanche powertrain problems
severe 4 complaints filed with NHTSA · avg repair $2,500
Complaints
4
Recalls
0
Crashes
1
Avg fix
$2,500
What owners are reporting 2 most recent
TL* THE CONTACT OWNS A 2009 CHEVROLET AVALANCHE. THE CONTACT STATED THAT THE VEHICLE WAS PARKED ON A SLIGHT INCLINE WHEN A LOUD BANG WAS HEARD AND THE VEHICLE BEGAN TO ROLL AWAY, IN REVERSE. THE REAR TAIL LIGHTS WERE ILLUMINATED AS THE VEHICLE ROLLED AWAY BEFORE CRASHING INTO A BODY OF WATER. THE VEHICLE WAS DESTROYED. THE CONTACT'S INSURANCE COMPANY INSPECTED THE VEHICLE AND DETERMINED THAT THE …
Common questions
How serious is the powertrain problem on the 2009 chevrolet Avalanche?
It's a meaningful issue. 4 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $2,500.
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.
Other problem areas on this vehicle
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. 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.
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