2007 Chevrolet Blazer: common problems

Owners of the 2007 Chevrolet Blazer filed 9 complaints with NHTSA, most often about fuel system and exterior lighting. Details by component below, with sources.

Key figures

Owner complaints: 9
involving a crash: 2

What fails most often

1 Fuel system 56% of all complaints
2 Exterior lighting 22% of all complaints
3 Air bags 11% of all complaints
4 Service brakes 11% of all complaints

Circle size and colour show each component’s share of NHTSA complaints. Schematic only, not a drawing of the exact model.

Fuel system: 5 complaints (56% of all).
Exterior lighting: 2 complaints (22% of all).
Air bags: 1 complaints (11% of all), 1 of them with a crash reported by the owner.
Service brakes: 1 complaints (11% of all), 1 of them with a crash reported by the owner.

Symptoms owners describe

How many of the 9 NHTSA complaints mention each symptom (automatic count from complaint text; one complaint can mention several).

fuel system, fuel smell3 · 33%
headlights and tail lights2 · 22%
windows, sunroof1 · 11%

Components owners complain about

Component	Owner complaints	involving a crash
Fuel system	5	0
Exterior lighting	2	0
Air bags	1	1
Service brakes	1	1
Other	1	0

What owners report

Short excerpts of NHTSA complaints in the original wording. These are owner statements not verified by NHTSA; personal data removed.

Air bags on vehicle did not deployed. When hit in front bye other vehicle..front end damage major..
Air bags · crash · 2015-12-04 · NHTSA complaint #10808532
Abs braking system nhtsa defect investigation #ea94038 my anti-lock brake malfunction because my hydraulic don't work property and I was involve in a accident. Problem with my abs system.
Service brakes · crash · 2012-03-10 · NHTSA complaint #10451059
Headlights stop working several times with no warning. Drivers side power window has been replaced 3 times. On the highway .it is very scary when you lights quit working. You have to turn on brights to be able to see.
Exterior lighting · 2018-07-07 · NHTSA complaint #11110041
The low beam headlights went out simultaneously while I was driving at night. I proceeded to the auto parts store, bought new bulbs and changed them out but they still did not come on. All other lights are working including the high beams.
Exterior lighting · 2016-11-30 · NHTSA complaint #10928717
The fuel gauge was not reading the correct amount of fuel in the tank. The pump is fine but the gauge is not reading correctly.
Fuel system · 2012-02-24 · NHTSA complaint #10449187
Fuel gauge no longer registers the correct amount of gas in the tank, even if we have just fueled the vehicle.
Fuel system · 2011-09-14 · NHTSA complaint #10425419
The fuel gauge does not register the appropriate amount of fuel. The gauge will register e when tank is full. This is a continuous issue, it does not come and go.
Fuel system · 2011-04-29 · NHTSA complaint #10398315

When owners complained

NHTSA complaints by filing year. The peak shows at what age the problems show up most.

20101
20113
20122
20151
20161
20181

Comparison

By complaint count this model year ranks 11,366 of 36,656 model years in the NHTSA data (top 31% most complained about).

On average one model year of the Blazer has 192 complaints (43 years in the data). This year has 9, below average.

What to check before buying

Fuel system. Fuel smell, leaks, rough running, fuel-system codes.
Exterior lighting. Headlamps, leveling, sensors and mounts after a frontal hit.
Air bags. Check the SRS light, stored codes and airbag/curtain status after any impact.
Service brakes. Pedal feel, ABS operation, leaks, discs and hoses.

Questions and answers

What are the most common problems with the 2007 Chevrolet Blazer?

Owner complaints to NHTSA most often mention: fuel system, exterior lighting, air bags. Total complaints: 9. The most frequent symptoms in complaint texts: fuel system, fuel smell (33%), headlights and tail lights (22%), windows, sunroof (11%).

How many service bulletins (TSB) were issued for the 2007 Chevrolet Blazer?

NHTSA lists 0 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.

Should I buy a 2007 Chevrolet Blazer from a US auction?

Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.

Other 2007 models

Read also

Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-05.