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Fuel systemPart report

2008 Chevrolet Avalanche Fuel system Problems

Complaints
6about this part
Share
2%of 258 total for the year
Median mileage
60,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 6 complaints about the fuel system of the 2008 Chevrolet Avalanche, 2% of the 258 complaints for this model year. Where a mileage was given, the median is 60,000 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.

“My 2008 Avalanche with 72,000 miles on it, is completely rotting away underneath. I've had to replace many parts, shocks, autoride compressor, fuel pump module, had body rust repaired, have had 3 door handles fall right off.. Last 2 mechanics told me that all parts located underneath truck are rotting away and that I need to get rid of truck because it is not worth repairing. I have tried to work with GM but they claim that its normal wear and tear. Paid 30k for truck dec 2011. Have membership to car wash, and keep it very clean. Undercarriage included. …”

NHTSA complaint #10654632, filed 2014-11, 58,000 miles

“I've had my truck for 4 years now and its been in the shop 5 times due to transmission problems. I've gotten the transmission rebuilt 5 times and its still giving me problems. 6/2014- present day.”

NHTSA complaint #10955649, filed 2017-02

“The contact owns a 2008 Chevrolet Avalanche. The contact stated that while driving 40 MPH, the vehicle began to hesitate. The contact stated that once he reached 60 MPH, the failure stopped. The vehicle was taken to the dealer for inspection where they stated that the fuel module needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was 60,000.”

NHTSA complaint #10562717, filed 2014-02, 60,000 miles

“The contact owns a 2008 Chevrolet Avalanche. The contact stated that there was a fuel odor coming from the vehicle. The vehicle was not diagnosed or repaired. The manufacturer was not made aware of the failure. The failure mileage was 143,000.”

NHTSA complaint #10706657, filed 2015-04, 143,000 miles

Related service bulletins

Fuel system: other model years

YearComplaintsShare of year
201322%
201213%
201122%
200923%
200862%
200762%
200619%
2005913%
2004117%
200352%
2002153%

Other parts of the 2008 Chevrolet Avalanche

Air bags
132 complaints
Other or unknown
54 complaints
Body and structure
44 complaints
Electrical system
21 complaints
Engine
15 complaints
Latches, locks and linkages
13 complaints
Electronic stability control
6 complaints
Steering
6 complaints
Suspension
5 complaints
Engine cooling
4 complaints
Transmission and drivetrain
4 complaints
Visibility (wipers, defrost, mirrors)
4 complaints

← All problems reported for the 2008 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