2010 Hummer H3 engine NHTSA complaints: Engine

NHTSA — Engine Problems


hardly worth mentioning
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
60,000 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2010 Hummer H3 engine problems

engine problem

Find something helpful? Spread the word.
Get notified about new defects, investigations, recalls & lawsuits for the 2010 Hummer H3:

Unsubscribe any time. We don't sell/share your email.

2010 Hummer H3 Owner Comments

problem #1

Nov 032014

H3 5-cyl

  • 60,000 miles


While I was on the road going home I noticed that my temperature was slowly rising then all of a sudden my engine room was smoking I pulled aside and looked at the engine room the smoke was caused by the radiator leaking on front top cover of radiator was cracked... don't get me wrong but I never did 4 wheeling on my Hummer I drive it for my everyday commute that's about it...upon checking on blogs of other Hummer owners they say its a common problem that's why I was amazed that it wasn't a part of any recalls I could have just imagined if im doing 4wheeling well anyways when I went to the dealership for repairs cause im confused also on their powertrain warranty cause the first sentence says radiator is included but the succeeding paragraphs says otherwise...since its a common known issue and believe me this the only part of Hummer that dealership stock in their inventory should it be in a recall notice or at least have GM review it cause the way I see why the crack on the radiator happened was because of the flaw of the design of radiator support the metal lip on it rubs on front top cover portion so eventually this will give in plastic vs metal we all know whose gonna win but did am general knows this....my answer definitely like what I had mentioned already and tried at least 15 dealership (from California to Texas to newjersey and Michigan)that caters to Hummer line all of them have one thing in common they stock radiators for Hummer H3S...

- Fresno , CA, USA

Not what you are looking for?