2007 H3 HUMMER, SUNROOF LEAKS, TOOK BACK TO DEALER, TOLD "DON'T GO THROUGH POWER WASH", 8 INCHES OF SNOW FELL TODAY, PASSENGER SIDE FRONT AND BACK DOORS, SNOW BLEW IN THE VEHICLE. VEHICLE WAS LOCKED, WINDOWS UP AND THE SNOW BLEW IN THE VEHICLE. WHAT A MESS. *TR
2007 Hummer H3 body problems
moderate 17 complaints filed with NHTSA · avg repair $1,500
Complaints
17
Recalls
0
Crashes
0
Avg fix
$1,500
What owners are reporting 2 most recent
TL* THE CONTACT OWNS A 2007 HUMMER H3. THE CONTACT STATED THAT WATER WAS LEAKING FROM THE MOON ROOF ONTO THE FLOOR CARPET, DRIVER AND PASSENGER SEATS, AND DOOR PANELS. THE FAILURE CAUSED MOLD BUILDUP. THE VEHICLE WAS TAKEN TO THE DEALER WHERE IT WAS DIAGNOSED THAT THE DRAIN THAT TRAVELED UNDER THE MOON ROOF CLOGGED UP AND NEEDED TO BE CLEANED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS MAD…
Common questions
How serious is the body problem on the 2007 Hummer H3?
It's a documented issue but not catastrophic. 17 complaints have been filed. Repairs average $1,500 and most owners catch it before it causes a breakdown.
At what mileage does the body typically fail?
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
What does it cost to fix?
Independent shops typically charge around $1,500 for body repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to body?
No active recalls currently cover body issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Other problem areas on this vehicle
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Severity ratings are derived from reported crashes, fires, injuries, and fatalities.
Repair cost estimates are independent-shop national averages and may differ in your area.
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