2006 Chevrolet Avalanche Transmission and drivetrain Problems
- Complaints
- 4about this part
- Share
- 36%of 11 total for the year
- Median mileage
- 84,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 4 complaints about the transmission and drivetrain of the 2006 Chevrolet Avalanche, 36% of the 11 complaints for this model year. Where a mileage was given, the median is 84,000 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“I was driving along at 60 MPH and lightly accelerated and heard a clunk. I continued to drive along and slowed down to exit off the interstate. Then when got off the interstate and came up to a green arrow and turned left. Then as soon as I accelerated at 25 MPH, I felt the transmission go out and heard a high pitch whine and some grinding. Then was not able to accelerate anymore.”
NHTSA complaint #10441992, filed 2012-01, 78,000 miles“When taking off from a stop it feels like I am being bumped from behind, or like the engine just dropped out of the vehicle. Very hard shifting between 1st, 2nd and 3rd when vehicle has been driven about 50 miles consecutive. Check engine light is on but will go off intermittently.”
NHTSA complaint #10458076, filed 2012-05, 75,200 miles“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 the failure. The current and failure mileages were approximately 90,000.”
NHTSA complaint #10362845, filed 2010-10, 90,000 milesRelated service bulletins
- 10113664May 29, 2015This informational bulletin provides technicians with information regarding automatic transmission oil cooler flow test essential tool J-45096 TransFlow®.
- 10113502Aug 26, 2013This warranty administration bulletin provide policy information on a revised customer concern not duplicated/verified labor operation numbers and how to submit CCND.
- 10112697Dec 27, 2012This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on, engine misfire…
- 10112681Dec 17, 2012This Preliminary Information communication provides information to the technician about vehicles that may have a planetary gear whine noise in first and second gear. Technician…
- 10112600Nov 26, 2012This Preliminary Information communication provides information to the technician with the axel setup information from American Axle Manufacturing. Technician should be advised…
- 10112523Oct 30, 2012This Preliminary Information communication provides information to the technician about vehicles that have slip in forward ranges immediately after replacing the input housing…
- 10043185Nov 1, 2011Cadillac/chevrolet/gmc/hummer: some suvs and trucks are exhibiting a condition where by grinding/ratcheting type noise coming from automatic transmission when shifting into park…
- 10026804Oct 1, 2008Gmc: fluid leak from transmission oil cooler lines due to corrosion. All 2000-2006 light duty trucks equipped with the light duty automatic transmission.
- 10018926Jan 25, 20064wd inoperative and possible dtc c0327 stored in the transfer case control module.
- 10018607Jan 7, 2006Rattle noise at highway speed in 2wd.
Transmission and drivetrain: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2013 | 1 | 1% |
| 2012 | 3 | 8% |
| 2011 | 9 | 7% |
| 2010 | 3 | 3% |
| 2009 | 1 | 1% |
| 2008 | 4 | 2% |
| 2007 | 13 | 3% |
| 2006 | 4 | 36% |
| 2005 | 9 | 13% |
| 2004 | 14 | 8% |
| 2003 | 14 | 7% |
| 2002 | 25 | 6% |
Other parts of the 2006 Chevrolet Avalanche
2 complaintsAir bags
1 complaintsElectronic stability control
1 complaintsEngine
1 complaintsExterior lighting
1 complaintsFuel system
1 complaintsOther or unknown
1 complaintsBody and structure
1 complaintsVehicle speed control
1 complaints
← All problems reported for the 2006 Chevrolet Avalanche
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology