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EnginePart report

2005 Chevrolet Avalanche Engine Problems

Complaints
3about this part
Share
4%of 71 total for the year
Median mileage
110,158miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 3 complaints about the engine of the 2005 Chevrolet Avalanche, 4% of the 71 complaints for this model year. Where a mileage was given, the median is 110,158 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.

“Cylinder heads cracked due to poor casting (known issue by GM). This LED to coolant in the engine causing damage to lifters. Expected cost to fix is approximately $1,500 in parts up to $4,000 in labor.”

NHTSA complaint #10783541, filed 2015-10, 124,000 miles

Related service bulletins

Engine: other model years

YearComplaintsShare of year
201345%
201238%
201197%
201065%
200911%
2008156%
2007246%
200619%
200534%
200411%
200321%
200231%

Other parts of the 2005 Chevrolet Avalanche

Electrical system
21 complaints
Air bags
11 complaints
Fuel system
9 complaints
Transmission and drivetrain
9 complaints
Brakes
5 complaints
Engine cooling
5 complaints
Steering
4 complaints
Other or unknown
3 complaints
Body and structure
3 complaints
Visibility (wipers, defrost, mirrors)
3 complaints
Exterior lighting
2 complaints
Seat belts
2 complaints

← All problems reported for the 2005 Chevrolet Avalanche

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 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