Hummer H3 Exhaust

Browse Hummer H3 Exhaust questions and answers. Choose a question that matches your symptoms.

10 discussions

Exhaust Actuator Replacement

2009 HUMMER H3
I Rebuilt An 2007 3.7 L5, And Put It In My 2009. Used All The Sensors Off My 2009 In My Rebuilt 2007 L5, Even New Parts Were Was For 2009 L5...
3 ANSWERS
10 IMAGES
Asked by 4wheels down

I Smell A Strong Exhaust Smell When I Come To A Stop...

2007 HUMMER H3
I've Taken It To The Dealer, And They've Roadtested It With Me But I Could Get The Hummer To Make The Smell. Over The Last 7 Weeks I've Kept...
6 ANSWERS
Asked by harterbill

Smoke Out Exhaust Upon Start Up

2006 HUMMER H3
When I Start It Up It Blows Out Smoke From The Tail Pipe For About A Minute Then Stops. I Was Told It Needs A Head Gasket. That When It...
3 ANSWERS
Asked by Debbiemc634

Catalytic Converter

2006 HUMMER H3
I Have A 2006 Hummer H3 With About 139000 Miles It Hasnt Been Giving Me Any Problems For Months But Check Engine Light Wont Turn Off After I...
2 ANSWERS
3 IMAGES
Asked by chuyarm

Catalytic Converter

2006 HUMMER H3
How Do I Know Which One To Replace The Dealer Didnt Say Which One Was Bad
1 ANSWER
Asked by chuyarm

Which One Is My Catalytic Converter

2006 HUMMER H3
I Need My Catalytic Converter Replaced But They Show Two Converters 1 Is A Manifold And 2nd One Is A Rear Converter Which One Is The Right...
5 ANSWERS
Asked by chuyarm

2006 Hummer H3 Oil Lose

2006 HUMMER H3
Lately I Have Been Losing A Lot Of Oil, Up To 5 Liters In 3 Weeks. No Smoke From The Exhaust.
1 ANSWER
Asked by lindajoycesmith

2006 Hummer H3 Broken Exhaust Manifold Bolt Head

2006 HUMMER H3
Engine Performance Problem 2006 Hummer H3 All Wheel Drive Automatic 31000 Miles You Were Absolutely Correct As I Expected. The Bolt...
3 ANSWERS
Asked by venicebeachboy

2006 Hummer H3 Recent Broken Head On Exhaust Manifold...

2006 HUMMER H3
Engine Mechanical Problem 2006 Hummer H3 All Wheel Drive Automatic 31000 Miles 3.5. 5 Cyl.vortec Engine. While Standing By My Car I...
3 ANSWERS
Asked by venicebeachboy

2006 Hummer H3 Catalytic Converter

2006 HUMMER H3
Noises Problem 2006 Hummer H3 Automatic 41000 Miles Rattle Noise Upon Start Up. Not Noticeable While Driving. Can't Find Same...
2 ANSWERS
Asked by tcoonie

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