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2004
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  1. Engine & Performance
    Hey guys, I know there are a couple threads on some similar issues, but I need some specific help and advice. I have been battling a recurring EVAP issue for a while, and I'm not entirely sure where to go from here. I keep getting the "Tighten Fuel Cap" message, along with codes P0455 (large...
  2. Wheels and Tires
    Hey everyone. I just bought a 2004 silverado 2500hd with a 6 inch lift. Right now I have 315/75r16's on it. I am looking to get new rims and tires and I was wanting to get a skinnier tire to put on there. I am looking at a 285/75r18. This tire would be about an inch skinnier the way I understand...
  3. Interior
    Recently I was on a road trip and both the heat and cooling in the front of the vehicle stopped working - the fan can blow air but the air was unconditioned (neither hot or cold). Also I was unable to direct air thru the vents to the windshield, only the main vents in the dash facing the driver...
  4. General GM Discussions
    It's not a major issue but annoying none the less, but anytime I signal right with my lights on my brights turn on! I'm assuming its something to do with the stick( can't remember the proper term ) or possibly in the steering column. Hoping someone has run into a similar issue and can give me an...
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