ENGINE RELEASEING AIR AND SMOKE BELOW ENGINE

Asked by Jun 27, 2015 at 12:16 PM about the 2003 Hummer H2 Luxury

Question type: Maintenance & Repair

IT WAS 106 DEGREES OUT YESTERDAY 6/28/2015. I STARTED MY 03 HUMMER H2
AS SOON AS THE ENGINE KICKED OVER A LOUND AIR PRESSURE AND SMOKE
SHOOTS OUT BELOW THE ENGINE COMPARTMENT. 1ST TIME IT EVER HAPPEN TO ME. I SHOUT THE VEHICLE OFF AND TURN IT BACK ON AND IT WAS FINE AND DROVE FINE TOO. IS IT NORMAL? MY GAUGES AND EVERYTHING IN THE VEHICLE SEEMS NORMAL, EVEN MY A/C WORKS PERFECTLY FINE.

2 Answers

15

Could be blowbye

I had owned few vehicle and never ran into this. 1st time for me and im kinda worry if the this will cause any issues in the future. Is blowbye normal for hummer? 1st time own a hummer.

Your Answer

Add photo

Related Questions

  • 06 Hummer H3 random exhaust smoke 6 answers

    When I run the car for over 25 minutes, and let it sit for an hour, I get smoke out the exhaust pipe. If I drive it short distances and let it sit, it does not done this. My coolant level is fine. I...

    2006 Hummer H3 4dr SUV 4WD

    -

    Maintenance & Repair

  • Engine Start issue 1 answer

    When I start the truck, the RPM's REV way up, then come way down. The truck then rumbles/shakes and white smoke comes from the exhaust. Doesn't happen all the time, but often. What is going on?!

    2008 Hummer H3 Luxury

    -

    Maintenance & Repair

  • 2008 H3 Smoke coming from driver side dashboard 1 answer

    Last 3 days Humphrey( my H3 lol) been kicking out a light mist on my driver side dashboard close to windshield. Seem to leave a oily residue on windshield inside car. Does not happen on passenger ...

    2008 Hummer H3

    -

    Maintenance & Repair

  • smoke 1 answer

    My 64 lemans 6 cyl has smoke coming from the valve cover breather to the air cleaner only when the a/c is on. Goes away when I shut the a/c off.A/c works fine.

    1964 Pontiac Le Mans

    -

    Maintenance & Repair

  • Why is my truck smoking white s one and the temp goes up blowing cold air and I have to keep releasing pressure before my thermostat opens 2 answers

    Changed thermostat now when u start it it smokes white smoke real bad blows cold air I keep trying to burn the raditar 5.9 motor

    1998 Dodge Ram 1500 2 Dr ST Extended Cab SB

    -

    Maintenance & Repair

Search Hummer H2 Questions

Hummer H2 Experts

#1 Tom Demyan
Tom Demyan
Reputation 230
#2 Michael Kane
Michael Kane
Reputation 160
#3 Siva Koenigsegg
Siva Koenigsegg
Reputation 150
View All

Related Models For Sale

Used Hummer H1
75 listings starting at $55,000
Used Cadillac Escalade
239 Great Deals out of 11,197 listings starting at $2,495
Used Ford F-150
2,194 Great Deals out of 206,316 listings starting at $1,499
Used Chevrolet Tahoe
547 Great Deals out of 29,234 listings starting at $1,699
Used Jeep Wrangler
276 Great Deals out of 18,163 listings starting at $2,950
Used Chevrolet Corvette
119 Great Deals out of 20,753 listings starting at $3,000
Used Chevrolet Camaro
226 Great Deals out of 30,943 listings starting at $1,217
Used Land Rover Range Rover
99 Great Deals out of 4,367 listings starting at $3,500
Used GMC Yukon
376 Great Deals out of 18,226 listings starting at $2,950

Used Cars For Sale

2009 Hummer H2 Luxury For Sale
12 listings starting at $24,748
2008 Hummer H2 Luxury For Sale
30 listings starting at $21,500

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.