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SuspensionPart report

2007 Hummer H3 Suspension Problems

Complaints
6about this part
Share
3%of 238 total for the year
Median mileage
121,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 6 complaints about the suspension of the 2007 Hummer H3, 3% of the 238 complaints for this model year. Where a mileage was given, the median is 121,000 miles. 2 of these say a crash was involved, according to the filers.

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.

“Takata recall air bags did not deploy when driving 75mph speed limit on rural hwy. It was real dark hard to see and I come up on the curve per eyewitnesses stated I was going just fine then all sudden went dwn into the ditch head first back rt tire blew off then vehicle started flipping a total of 8x..hit front Hummer first. And flipped 8 times..no air bags deployed. Hummer come to rest on drivers side finally. Again the riverside air bags did not deploy. I feel like this is error in GM. …”

NHTSA complaint #11176178, filed 2019-02, 121,000 miles

“The problem was unknown to me and probably would be to any vehicle owner that is not a mechanic. I was driving a death trap and didn't know how easily it could have been a serious problem. The driver side leaf spring bracket had completely broke apart from the frame on the upper drive side corner in an area that without getting underneath the vehicle with a flashlight and specifically looking for would be impossible to see. …”

NHTSA complaint #11568962, filed 2024-01

“The contact owns a 2007 Hummer H3. While driving 30 MPH, an unknown clanking noise was heard from the rear passenger side of the vehicle. The failure recurred constantly. The vehicle was not diagnosed or repaired. The manufacturer was not made aware of the failure. The failure mileage was 134,000.”

NHTSA complaint #10884140, filed 2016-07, 134,000 miles

“The contact owns a 2007 Hummer H3. The contact stated that when making a right turn, the vehicle would make a hard pumping sound. The dealer diagnosed no failure with the vehicle, but the contact believes there was an axle issue. The manufacturer was not contacted and the vehicle was not repaired. The failure mileage was 36,500 and the current mileage was 37,000. The VIN was unavailable.”

NHTSA complaint #10437888, filed 2011-11, 36,500 miles

Related service bulletins

Suspension: other model years

YearComplaintsShare of year
200923%
200844%
200763%
2006298%

Other parts of the 2007 Hummer H3

Electrical system
76 complaints
Engine
44 complaints
Visibility (wipers, defrost, mirrors)
42 complaints
Other or unknown
26 complaints
Body and structure
22 complaints
Air bags
19 complaints
Transmission and drivetrain
19 complaints
Engine cooling
13 complaints
Electronic stability control
12 complaints
Fuel system
12 complaints
Brakes
11 complaints
Equipment
8 complaints

← All problems reported for the 2007 Hummer H3

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 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