TRANSMISSION SLIPPING. WHEN TRAVELING AT SHIFT POINT 1-2, 2-3 THE ENGINE RPMS SUDDENLY INCREASE THEN RETURN TO NOMINAL SPEED. THE MILEAGE IS WAY TO LOW FOR THIS BEHAVOIR. I BELIEVE GM SHOULD ISSUE (OR PAY FOR) THE PARTS (THE TOUGHENED OR IMPROVED PARTS) TO CORRECT THIS PROBLEM OR RE-REIMBURSE THE CURRENT OWNER FOR THE RETAIL COST OF THE GM (IMPROVED) PARTS IF THE OWNER CHOOSES TO HAVE THE WORK DON…
2006 chevrolet Avalanche powertrain problems
moderate 13 complaints filed with NHTSA · avg repair $2,500
Complaints
13
Recalls
0
Crashes
0
Avg fix
$2,500
What owners are reporting 4 most recent
TL*THE CONTACT OWNS A 2006 CHEVROLET AVALANCHE. THE CONTACT STATED THAT THE TRANSMISSION FAILED WHILE HE WAS DRIVING APPROXIMATELY 60 MPH. HE WAS UNABLE TO MOVE FORWARD ALTHOUGH THE RPMS INCREASED. THERE WERE NO WARNING LIGHTS PRIOR TO THE FAILURE. THE VEHICLE WAS TAKEN TO A TRANSMISSION CENTER WHERE THE TRANSMISSION WAS REPLACED. THE CONTACT CALLED THE MANUFACTURER AND FILED A COMPLAINT ABOUT TH…
TL*THE CONTACT OWNS A 2006 CHEVROLET AVALANCHE 1500. THE AIR BAG LIGHT ILLUMINATED ON THE INSTRUMENT PANEL. THE DEALER REPAIRED THE FAILURE, BUT IT RECURRED THE FOLLOWING YEAR. THE FAILURE WAS REPAIRED A SECOND TIME. THE CONTACT STATED THAT THE VEHICLE HAS BEEN TAKEN TO THE DEALER REPEATEDLY TO HAVE THE AIR BAG FAILURE REPAIRED. HE ALSO STATED THAT THE FRONT SEATS WERE MAKING STRANGE NOISES. …
I BACKED OUT OF MY DRIVEWAY STOPPED MY TRUCK LIKE ALWAYS PUT IT IN D TO DRIVE HEARD A LOUD CLUNK NOISE AND NOW I HAVE 1 AND 2 GEAR ONLY TO USE THE TRUCK WAS STATIONARY WAS ON A MAIN ROAD I CHANGED THE TRANSMISSION FLUID SCREENS FILTERS EVERYTHING FLUSHED IT OUT AND STILL THE SAME THING A LOT OF PEOPLE ARE SAYING IT'S THE SPRAG UNIT I HAVE NO IDEA WHAT THAT IS I HAVE ONLY HAULED A FEW THINGS WITH I…
Common questions
How serious is the powertrain problem on the 2006 chevrolet Avalanche?
It's a documented issue but not catastrophic. 13 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.
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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