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  1. J

    What did you do to your NNBS GMT900 Tahoe/Yukon Today?

    maybe it's a southern thing.. I've seen some over the years seep a bit here and there, usually big ones in the 2in and bigger range and only really because other techs just use a screw driver on them. but a quick snug with a nut driver and never happens again. the cheaper ones will cut in to a...
  2. J

    What did you do to your NNBS GMT900 Tahoe/Yukon Today?

    not always the easiest to do when you're trying to order parts ahead of time. or in the end just use a standard worm drive clamp. the internet trend that they fail or cause failures feels fake. I've never once had a issue using a old school clamps. the spring clamps can look nice thou, when...
  3. J

    What did you do to your NNBS GMT900 Tahoe/Yukon Today?

    it's kinda crazy how all the fancy battery charging control and algorithm cars have these days. built in modes to clean the plates and all. still get 3 to 5 years from them. old cars. with standard flat charging lasted the same 3 to 5 years. so much tech for so little reward.
  4. J

    Coolant Hose Change

    you probably already got them off. but there's basically 2 ways. some just cut them off to save the hassle since they are being replaced anyways. Just don't damage the aluminium pipe inside. if you can push the fitting back, reach back and squeeze the tabs at the red arrow, it is supposed to...
  5. J

    P0171 and P0174 - Stabilitrak...only under certain conditions.

    are all the exhaust manifold bolts there? it's pretty common to have a one pop the head off and have an exhaust leak that can suck in air. the r other thing I see is the Bosch sensors. there's a few threads floating around where these some of these trucks basically act up with anything but the...
  6. J

    What is this plate on my oil pan???

    do the 2wd have the same pan plate?
  7. J

    What did you do to your NNBS GMT900 Tahoe/Yukon Today?

    I have struggled and given up haha.
  8. J

    What did you do to your NNBS GMT900 Tahoe/Yukon Today?

    huh, you know have looked around on there before but never actually bought anything. looks like I need an account. they actually seem to list useful ones. never thought to look there.
  9. J

    What did you do to your NNBS GMT900 Tahoe/Yukon Today?

    see and the sizing is annoying. is that an 11/16 hose or an 11/16 clamp. last time I needed some I saw tractor supplies said they had some in 3/8s. since I was using 3/8 hose I thought cool, I'll run out to the country and pick some up. got there and biggest they had was 3/8s but not a 3/8 hose...
  10. J

    What did you do to your NNBS GMT900 Tahoe/Yukon Today?

    you know what's annoying about spring clamps? have you ever tired to buy good ones? I can't find anywhere with good quality ones for a decent price.
  11. J

    6.2 ls3 GM performance crate engine

    OK. yes, many different ecm's can run a 6.2 or any other ls, as long as the crank sensor wheel is the correct tooth. I was meaning more like you can't drop a non afm/vvt engine into a truck that came stock with it, and then run it off same tune in that ecm without adjustments. again. once...
  12. J

    2013 Yukon 6.2 with p0304 code

    sounds like it's time to pull a valve cover off and watch the rocker while cranking. but if you don't have compression, I'm guessing something has gone wrong with that lifter, even thou you have it turned off. why? I don't know. if it does stop opening the valve. you could try the short cut the...
  13. J

    6.2 ls3 GM performance crate engine

    someone else asked about this a while back. I don't remember if they ended up doing it or not. you will atleast need to tune your stock ECM to run without the afm/vvt. which you'll probably want to delete anyways before putting any engine back in. I feel like I'd send black bear a email and...
  14. J

    AFM Disable Options

    how does egr work when we don't have a egr valve? anyone know what it's looking for? so sounds like the 3 monitors Un set is not rear. can only skip 1 and that only is evap. which is good, cause I sware that never sets lol.
  15. J

    3 transmission codes on startup

    well it did seem like it was a canbus issue. I honestly don't know. Communication stuff is the worst. unless you can make it fail long enough to trouble shoot it in real time. it's just all guessing
  16. J

    3 transmission codes on startup

    there was a tsb about the big plug where the harness goes into the tranny rubbing on a heat shelf and wires being damaged. I don't remember the year, but if you can easily get under it. might be worth a check. back passenger side of the tranny I believe?
  17. J

    AFM Disable Options

    I see the mpvi1 going for 1000$ on boards. it's a deep rabbit hole. if you have one you want to sell. there's a market.
  18. J

    2013 Yukon 6.2 with p0304 code

    these lifters do still fail even with afm turned off in the tune. not that they release the pins and get stuck, but they will fail in other ways. do you have any tapping? do you have a scanner you can see data on? you can also swap a plug with another cyl or replace just the one.
  19. J

    Another option for Motor/Engine mounts

    wonder if he's make some rubber inserts for them. I got no need for poly, but I agree 600+ for h3 is annoying. even if I have the money haha. I still haven't replaced my drivers side.
  20. J

    code P0307 and C0561-71

    so what you're looking for is fouled out plug in that cyl the code says is missing, the tip that's inside the engine. can only see that on the clean plug in the pic above and it looks good. the other one looks like black oil or something on the threads, but that's usually from outside the...
  21. J

    code P0307 and C0561-71

    sounds like you should pull the plug on #7 and inspect it. take a pic and post it. might be able to tell if it's fuel or oil fouled. how many miles on it? as far as putting them in wrong. probably not, some plugs say use stuff in the threads, some don't. I've don't it both ways thou and...
  22. J

    code P0307 and C0561-71

    was it missfiring 2 months ago and that why you replaced coils and wires? I'm guessing it wasn't, so now you have to trouble shoot what broke. cars break, they aren't appliances like a toaster on your kitchen counter. if could be any of about 10 reasons, you will have to find out why by going...
  23. J

    Genuine Tech2 quick question

    I ordered mine directly from a China site linked from here. something like Chinaobd. no issues like that. I never had to email or talk to anyone. Just added to cart checked out wfiu PayPal and it showed up a while later. might call FedEx or stop by a location and see what's up with that.
  24. J

    AFM Disable Options

    a more loaded question has never been asked lol. Application, usage, history and condition of engine. what do you want from your oil? does price matter, change intervals you're OK with? common failure points of the engine type. operating Temps and Ambient Air Temps. so basically I don't know...
  25. J

    LED bulb install into halogen headlights- fuse keeps blowing

    my yukon headlights had led drop in bulbs when I got it. they seemed fine, but I replaced the whole housing soon after. you should check the amp draw of the bulbs you're trying to use. it should be under the fuse by atleast 75%. so like a 10amp fuse circuit will usually only run 6-7 amps max...

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