Question about 2009 Hummer H3
When I first start my H3 there is a loud vibration. After it warms up it is not as bad but still there. Do you know what it could be?
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Posted on Jan 02, 2017
SOURCE: 2009 Hummer h3 won't start
My H3 didn't start this morning. I noticed something unusual about my truck when I first tried. The alarm had a weak sound when it went off. The fact that it turned over but didn't start made me believe it was not the battery. I was trying to call the mechanic and a wrecker to get my H3 fixed. However, before that I got the wrecker out there, I went to Autozone. He told me it sounded like the battery and cold weather kills the battery. So 3 hours have passed and temperatures warmed up to a cool 56 degrees. I was going to put jumper cables but out of curiousity, I said well let me crank it and see if it was cold weather. Sure enough, it cranked right up.
Either way, I am going to take it to Autozone and have the battery checked. I can't miss another day of work due to an old battery.
Posted on Dec 29, 2008
I brought my 2006 H3 in to the dealer for the same thing. My blower stopped working all together but it started as an intermittent problem. He said he had to replaced a diode or resistor either behind the switch on the dash that controls the fan or on the fan motor itself. Have not had a problem since but that was only about 4 months ago.
Posted on Apr 09, 2009
If you look in the owner's manual it will explain this. Happened to me a bunch of times, really embarassing. It is an additional anti-theft device . If the computer senses that the key is inserted improperly, or that it is not a perfect match for the code it has in its memory for your key, it shuts of the gas supply to your engine for approx. 10 minutes to defer theft. Still happens to me intermittently. Now only very rarely. Total pain. I cleaned my key..carefully, with WD40 and after drying put just a touch of graphite on the key and started the beast a number of times. My dealer didn't read the manual either. You must wait the full ten minutes before trying to restart....otherwise it never totally resets and (the first time this happened to me) you can sit there and fight it forever.
I don't have my owner'smanual handy to refer you directly to the proper pages, but its in there under theft deterent. Hope this helps......and that Hummer can provide aneasy fix for this.
Posted on Jul 21, 2009
had thid problem and took it to a dealer. they showed me a resistor plug that is between the switch and the blower that melted. I can feel cold air but blower did not work . they said you cannot order the part but they have all the peices to rebuild it. hope the works for you!
Posted on Jul 01, 2010
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