AT TIMES WHEN THE VEHICLE IS SLOWING DOWN/DOWN SHIFTING (MORE COMMON WHEN GOING UP A GRADE) IT WILL SUDDENLY LUNGE FORWARD (BEFORE COMING TO A STOP) EVEN WITH YOUR FOOT ON THE BRAKE. IT SEEMS TO HAPPEN WHEN DOWNSHIFTING FROM 2ND TO 1ST GEAR AND SOMETIMES IT CATCHES ME OFF GUARD. THIS IS A VERY DANGEROUS SITUATION ESPECIALLY WHEN SLOWING DOWN NEAR PEOPLE. I AM ALWAYS CONCERNED THAT THE VEHICLE I…
2011 chevrolet Avalanche powertrain problems
severe 11 complaints filed with NHTSA · avg repair $2,500
Complaints
11
Recalls
0
Crashes
2
Avg fix
$2,500
What owners are reporting 2 most recent
I OWN A 2011 CHEVROLET AVALANCHE LTZ AND AT TIMES WHEN THE TRUCK DOWN SHIFTS IT WILL LUNGE FORWARD. I REALLY NEED TO HAVE MY FOOT FIRMLY PRESSED ON THE BRAKE TO KEEP THE TRUCK FROM POSSIBLY HITTING SOMETHING OR SOMEONE IN FRONT OF ME. IT DOES NOT DO IT ALL THE TIME AND IT'S RATHER RANDOM. I FEEL THAT IS WORSE THEN IT HAPPENING ALL THE TIME BECAUSE I DON'T KNOW WHEN TO EXPECT IT. I HAVE NOT REC…
Common questions
How serious is the powertrain problem on the 2011 chevrolet Avalanche?
It's a meaningful issue. 11 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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