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    Cold start hesitation

    I believe I've figured out my issue but I wanted to get a second opinion and also create a thread for future reference for others with the same issue. Vehicle: 2007 Suburban LT, 5.3L, 2WD Flex Fuel Problem: Delayed start when cold. Truck always starts, and idles afterwards, and will fire first...
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    2WD to AWD Conversion 07

    I've been doing research on doing an AWD conversion on my '07 Suburban. So far there hasn't been any clear answers or a process for the GMT900 series SUV's although I'm sure it's almost identical to the GMT800. I hate the traction the RWD has with A/T's even in the rain so I'm going to put an...
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    Cold start hesistation

    Just bought a used 07 burb with 144k on the clock. 5.3L flex fuel. Truck started and drove perfectly fine but about 3 days ago ive noticed it struggling to turn over after resting for awhile. Once cranked over it starts fine and drives fine. Here are the things that have changed since i bought...
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    Bazooka BOSE sub replacement, center console

    I'm finally gutting my bose sound system in my truck. I have a 10" sub that I was going to build a custom box in the 00-02 location on my truck, but I was looking around and I found this guy right here. https://www.crutchfield.com/p_204BT6DVC/Bazooka-BT6024DVC.html I did some measuring with...
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    Motor mount, slip yoke or Diff? Clunk!

    So here's my dilemma. I've had a nasty clunk with my yukon since I bought it. Happens every time I got from P to D to R, every time I accelerate hard, every time the transmission shifts and every time I slow down. I've been putting it off but I've been slowly narrowing my list of what it could...
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    Tracking down A/C issue

    Hey all, My a/c isn't working and I need help narrowing it down. My trucks heat and a/c both weren't working, which ended up being a bad door actuator. I replaced that, reset the HVAC controller and the heat was working, but not the A/C. My rad blew up and I took it to a shop to fix. They said...
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    Denali projectors vs aftermarket vs LED in halogen headlights

    I'm looking around at ways to improve my lighting. There isn't much option for what I want so I wanted to get some opinions. I've always installed HID's in projector housings, and I still feel that's what I want to do. I found new denali headlights on carparts for $190 or so but I'd probably...
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    Replacing Transmission Checklist

    So my 2-3 third gear is now slipping (flare shifting) and I'm pretty convinced the tranny needs to go. 200k miles on her. I'm looking around and I think the cost of a new/refurb 4L60E isn't worth it for a '03 Yukon with 200k miles. I called a local junkyard and they offer a 90 day warranty for...
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    OEM Suspension?

    I'm looking to replace the aftermarket suspension on my 03 Yukon as they a little sagged and soft. I want to lift her between 1-3 inches. My only gripe is I have a ton of parts I've had to buy to replace all the wear and tear and I don't feel like spending $600+ for a leveling kit and Bilstein...
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    Trans Question - Rough shift 1st and 2nd gear

    Hi all! I just bought an 03 Yukon 5.3L RWD with 198K miles on it. I feel like i got a pretty clean truck and I'm happy with it. I'm also a perfectionist who has an overactive butt dyno that thinks every like squeak, clunk or boom is the car about to explode. So I've noticed that the trucks...

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