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  1. C

    07 XL Denali

    yea I understood. They were the first thing I checked, I'll check again though as I did not know about #2. I was referring to the fact that before nothing happened, now the self test at least was happening so I thought I was making progress lol. There is no fuse 58. I'm looking for other...
  2. C

    07 XL Denali

    I believe that is the self test function(powering on for a few seconds) . It wouldn't turn on at all before(relay replacement fixed it) . Figured I was making progress.
  3. C

    07 XL Denali

    Yea, I'm pretty confused by that considering it turns on when a few seconds after I put the key in the ON position or start it. Thank you for the response. I'll check to see if there's another fuse I'm missing. Or relay?
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    07 XL Denali

    ok. can someone at least point me in the direction to find more info on this? Googling has found me little more than what I've done, and the forum hasn't brought up much either. recap: my compressor is just connected to the harness NOT the air lines. it turns on with key on/start for about...
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    07 XL Denali

    took a shot and changed out the relay with the one from autozone. compressor is still just temp connected at the harness, not fully installed. no air lines connected. it now powers on with the key for about 3-5 seconds, but does not turn on via the tech 2 scanner(exh valve responds, but nothing...
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    07 XL Denali

    Is it this one? Seems like it. Also see a completed unconnected wire by the same harness. Pics attached. If thats the correct relay autozone has it for $20. Part # 19265 .
  7. C

    07 XL Denali

    new compressor didn't come with a relay I don't believe. I will double check when I get a chance (its pouring right now and I'm on my phone at work) I bench tested both the old and new one. new one comes on with 12v power, old one does not
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    07 XL Denali

    Anybody?
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    07 XL Denali

    I temporarily connected a brand new compressor to the yukon. the exhaust valve opens/shuts when commanded. the compressor does not do anything. i have 4 suspension faults, all are faults with the front suspension (short to battery(says passed on both) and circuit open (says failed)for both front...
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    07 XL Denali

    removed compressor. its either original or an old OEM. it did not fire up with direct power. I'm looking to buy a compressor from a local store. I've got Dorman (which I've heard is not good), or Arnott. I have 2 Arnott options P3242 and P2793. Any idea which would be better or if theres a...
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    07 XL Denali

    The tech2 I said I had earlier, that is the correct one to use? Not sure what I'm checking to check front shock stuff, the connectors are just laying in the engine bay (not connected at all)
  12. C

    07 XL Denali

    Ok, I'll get on that. Hopefully it just needs the compressor Is there a way to test the front setup, or do i need to just buy a pair and install to see what happens?
  13. C

    07 XL Denali

    Right, I'd like to if that is a feasible option. The height sensors seem to be reading with the tech 2 (the numbers change if I move the vehicle around), so those are working i guess. however all the dampers show 0%, and the compressor does not turn on or off with the tech 2 (it says off, or on...
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    07 XL Denali

    Apologies. I was asking if the bad sensor could affect the suspension. I definitely do not hear the air compressor turn on. I'll go underneath and have someone turn it off/on, to see if I can hear anything. I just don't want to buy a bunch of parts to find out it has a bad computer, or wiring...
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    07 XL Denali

    I have a tech 2 I have a new wheel speed sensor that the tech 2 says it needs. I think it's the pass rear sensor. Would this cause it to not activate? How audible is the compressor?
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    07 XL Denali

    My yukon needs front/rear suspension work badly. The rear air shocks are blown, the front shocks don't seem to work either. 168k miles on the truck. Is there an easy way to troubleshoot this? How loud is the air compressor(As far as I can tell I've never heard it fire up? I would like to just...
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    My 07 Denali XL 'build'/Check Engine Lights/Questions

    Oil pressure is still pretty low in gear with hot idle (500 ish rpm). Probably 13psi? Runs great now though. 168k now on it Wife is wanting to use it now, so I need to actually fix it (was just using it as a back-up vehicle as we have 2 others and I have a company car). Need to fix the...
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    My 07 Denali XL 'build'/Check Engine Lights/Questions

    I did fix it. Not sure if it was just the oil presure dropping too causing some kind of issue (vvt maybe??), or the TB (I gave it a thorough cleaning). Fixed a damaged pcv hose as well.
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    My 07 Denali XL 'build'/Check Engine Lights/Questions

    I put that 917-107 clamp on. I need to get a new gasket to see if it actually helps. Pretty neat item! Will headers or y pipes that fit 5.3/6.0s also fit the 6.2 or are they different?
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    My 07 Denali XL 'build'/Check Engine Lights/Questions

    anyone know of some decently priced headers/ypipe/exhaust type setup? longtube or shorties. not looking for a huge perf increase, think I need cats. I'd be ok with a y-pipe that bolts up to the factory location as well (with no cats, or high flow?).
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    My 07 Denali XL 'build'/Check Engine Lights/Questions

    thank you. the 917-107 seems like what I would need(pretty neat too!), but does not show it as fitting the 6.2 for 2007. does not seem to be leaking from the broken bolt location however (pass side front bolt).
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    My 07 Denali XL 'build'/Check Engine Lights/Questions

    Put new plugs in today. It was wayyyy over sure. Average gap on them was .080"! Pass rear plug was a little difficult to get at, but removing the wheel well liner made it pretty easy. Found it has a broken exh manifold stud (front one) on driver's side.... Bummer! Next up is driver side abs...
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    My 07 Denali XL 'build'/Check Engine Lights/Questions

    Photo of the buttons. I believe your are correct. Button doesn't do anything. That's what the disconnected wires under-hood go to?
  24. C

    My 07 Denali XL 'build'/Check Engine Lights/Questions

    replaced my pcv clean/dirty lines. seems to have helped with my idle issues (would hang a little when driving). they were cracked pretty bad and leaking a lot of air.

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