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    2012 Suburban LTZ 4wd Inspection - Have questions

    Yes. It’s coated the waxy GM frame pretty well. Hopefully next weekend I’ll have some time to put it up on ramps, get on the creeper and use the pressure washer (at a low psi). First, I’ve got to get these K2XX suv harness orders out the door. Been crazy busy at my day job and time has been...
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    2012 Suburban LTZ 4wd Inspection - Have questions

    BTW why do some GMT900 SUVs have steel CAs and some have aluminum? Sent from my iPhone using Tapatalk
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    2012 Suburban LTZ 4wd Inspection - Have questions

    So here’s the $64,000 question. What do you like for brake and differential fluids? Any issues with putting 75W90 synthetic in both diffs? Sent from my iPhone using Tapatalk
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    What did you do to your NNBS GMT900 Tahoe/Yukon Today?

    The retrofit is very easy. Once you remove the lower beauty/sound cover on the passenger side, you can see the outline on the bottom of the HVAC plenum. I went with the Dorman 259-201 kit. It comes with the carbon filter and a good set of instructions. Dorman 259-201 Carbon Cabin Air...
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    What did you do to your NNBS GMT900 Tahoe/Yukon Today?

    Finished up adding the cabin filter. I made sure the condenser etc. was as clean as I could get it. I went from both sides (newly cut filter opening & exterior condensation drain. Got lots of dirt/grime out. Smells great now and seems much colder. Sent from my iPhone using Tapatalk
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    2012 Suburban LTZ 4wd Inspection - Have questions

    @swathdiver or whoever else would know, remind me what these two bundled wires are. One is between the under hood fuse block and fender. The other is on the main chassis harness loom under the brake booster. Sent from my iPhone using Tapatalk
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    2012 Suburban LTZ 4wd Inspection - Have questions

    Also, I noticed the rear bumper didn’t look right. Found zip ties holding the guide tube to the spare tire winch. It was loose. Luckily it was easy to correct. Sent from my iPhone using Tapatalk
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    2012 Suburban LTZ 4wd Inspection - Have questions

    I do have some concerns about the rack and need to know if they’re valid. There appears to be a leak at the bottom and perhaps inside the driver boot. The fluid doesn’t look too brown. Steering requires some effort. Keep in mind I’m coming from a K2XX with the electric assist steering where...
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    2012 Suburban LTZ 4wd Inspection - Have questions

    So I brought this vehicle home last week and I’m looking things over throughout. I wanted to get some input on a few things I found. First, a little history. It’s a 3/3012 build and spent the first 8 months of its life as a GM corp vehicle in Michigan. Then the rest was spent in Texas in the...
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    What did you do to your NNBS GMT900 Tahoe/Yukon Today?

    Began the cabin filter retrofit. Used a heat gun and new, sharp utility knife. Heated the plastic and it yielded a smooth edge. Sent from my iPad using Tapatalk
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    Swapping intake manifold & throttle body on a 5.3

    With an otherwise stock motor, is there any benefit to swapping a truck 6.2L intake and a Corvette/Camaro (I believe) throttle body onto a 5.3L? I searched and didn't see any info on it. Of course, that could be operator error.
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    What did you do to your NNBS GMT900 Tahoe/Yukon Today?

    Is the shark fin antenna nut a one time use part? Thinking about removing and painting it. Sent from my iPhone using Tapatalk
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    What did you do to your NNBS GMT900 Tahoe/Yukon Today?

    Removed the cross rails. Eventually, I’ll replace the main rails with ones from a Denali/Escalade. Sent from my iPhone using Tapatalk
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    What are these?

    Lol, that’s...interesting Sent from my iPhone using Tapatalk
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    Long term owners of BlackBear Autocal tunes.

    Does Black Bear offer a discount for forum members?
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    What are these?

    Picked up a 2012 Suburban. While checking things out, I found what appears to be straps? Are they OEM? Sent from my iPad using Tapatalk
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    DIY: Make 2015-2017 LS/LT headlights operate like a LTZ headlight (LED as DRL vice low beams)

    The passenger side will have to be routed over since it’s one contiguous harness instead of separate pigtails. Sent from my iPhone using Tapatalk
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    2007 - 2014 GMT900 SUV Model Updates

    Do you guys think there be any interest to add the overhead seat fold switches? Sent from my iPhone using Tapatalk
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    DIY: Make 2015-2017 LS/LT headlights operate like a LTZ headlight (LED as DRL vice low beams)

    Still here guys. I’ve been insanely busy with my day job the past few weeks and exhausted in the evenings. I’m waiting on a couple parts to come in. I refined the harness a bit more to consolidate things into one control box. Sent from my iPhone using Tapatalk
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    2007 - 2014 GMT900 SUV Model Updates

    Hmmm...were there secondary release switches on the C pillars as well? The brochures all the way through 2014 mention available “power-release flip-and-fold” second row seats. So where’s the switch on the 2010-2014s? Is there a specific RPO for that feature? What do you mean by shrouded...
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    2007 - 2014 GMT900 SUV Model Updates

    That’s odd to remove a feature like that for a couple years and then bring it back. Sent from my iPhone using Tapatalk
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    Fog lights turn on with low beams

    Lol, keep ‘em coming. I won’t be slowing down on the K2XX platform, just adding the GMT 900 to the knowledge base. Biggest challenge is time with my day job. Sent from my iPhone using Tapatalk
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    Looking for 2012 - 2014 Tahoe LTZ - Opinions Needed

    PM'd
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    Fog lights turn on with low beams

    It's a matter of keeping the fog lamp relay energized. The challenge is that it's a ground switched relay. So, if you have factory HIDs (also ground switched relay), then it's feasible that a diode could be used between the pins at the BCM to keep the fogs on. Unfortunately, vehicles with...
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    2007 - 2014 GMT900 SUV Model Updates

    Challenge accepted, lol. It also seems GM added a rear power folding seat switch to the overhead console in 2013 (I'm assuming this is for the 2nd row). I'll be investigating how to add that.

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