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  1. 04SS99Denali

    Won’t fill Very strong odor of gas

    I have a 2010 avalanche. Recently it will pop out a few times when filling. No big deal I was figuring it was a vent valve or charcoal canister. A month or so later it absolutely reeks of gas when standing next to it. No lights on. Runs great no hesitation no hard starts. Looking for suggestions...
  2. 04SS99Denali

    Flashing engine light / no power under WOT or heavy load

    Im lost. The truck runs great under normal throttle, Idles smooth not misfiring or anything. Even at around 70% throttle up till 4000 it runs great. When I put it under heavy load (going up a steep hill) or WOT condition it will lose all power and start to shudder as if its misfiring. I pulled...
  3. 04SS99Denali

    Starter went and then alternator all in same day?

    I am pretty mechanically inclined Im just trying to figure out of these 2 are linked or not because Im stumped. Keep in my mind my truck is a garage queen, its been on a tender for 2 months in a heated garage. Its a restoration project of mine at the moment. So I go to turn it on and just...
  4. 04SS99Denali

    Idle oil pressure

    Im well aware of the GM spec 10 psi per 1000 rpm. so realistically 5psi is conisdered in spec for idle. I just dont feel comfortable with that. Once my truck gets warm I see anywhere between 10-15. It just honestly bothers me lol. What does everyone else see? Im thinking of running some thicker...
  5. 04SS99Denali

    99 Yukon belt squeak

    Cant figure this out the belt on my truck has been making a squeak for a while. Ive changed literally almost every accessory drive on the truck. If I change the belt the squeak will disappear for approx 500-800 miles. I have been under the impression something is slow leaking and contaminating...
  6. 04SS99Denali

    PO300 random missfire only under heavy throttle

    was driving the old rig going up a steep mountain up state yesterday. everything was going good till the truck downshifted into second and the rpms hit about 4k. immediately it fell on its face and a few seconds later started shuttering with flashing engine light. i knew it was misfiring by the...
  7. 04SS99Denali

    Bad cat

    Been driving my truck for about a week now intermittently and noticed a rattle underneath. first thought it was a heat shield till i went and checked. one of the cats rattles like a jar of marbles. now my question is what has everyone done for this? i did some research saw they sell the whole...
  8. 04SS99Denali

    Stock radio replacement

    my radio basically has every single light burn out. im looking for a rebuilt one. i know in the gmt800 trucks (03 -07 with the built in 6 disk) you had to have the dealer program new radios with your VIN number or else it would be in theft mode. are these the same or just plug and play any...
  9. 04SS99Denali

    Bought my first truck back

    I had a previous thread going about contemplating the idea. After a few weeks of going back and forth I finally was able to get it for a price I was content with. this truck was my legit first car. bought it when i was 16 from a chevy dealer with a warranty and all lol. learned how to drive...
  10. 04SS99Denali

    Looking to buy back my first truck

    ok there is bit of a story here. back in 2006 when i was 16 i bought a 99 gmc yukon. Blue on Blue leather very clean truck got it from a chevy dealer. i drove the truck for about a year and a half and sold it once i got a newer truck. i sold it privately and told the new owner to let me know if...
  11. 04SS99Denali

    NNBS nav unit

    was going to install this in my tahoe as well but never got around to it before i sold it. i did plug it in and it did powerup to the lock screen. it needed to be unlocked by the dealer. 350$ shipped
  12. 04SS99Denali

    24s, LED tails

    i had these rims on my tahoe when i had it. im not sure of the brand, they say MOZ on them but i was told from the previous owner that they were DUBS. i have no way of verifying that. they are plasti dipped black and chrome underneath. they are the same wheels in my sig before i sprayed them...
  13. 04SS99Denali

    Navigation unit swap

    So for all of those who didnt get the factory nav and wanted to swap it in I just have a few questions. I bought a nav unit off someone on craigslist the other day. installed it and it turns on but goes into "theftlock" which i was expecting. now i drive to the dealer after i make an appointment...
  14. 04SS99Denali

    rear turn signal issue

    so my 07 ltz has a weird and intermittent issue. every so often the rear passenger side turn signal will stop working along with the break light and cause the dash indicator to flash repeatedly as if the bulb is burned out. then it suddenly stops for a day and continues on. its been annoying me...
  15. 04SS99Denali

    For Sale - 2003 Hummer H2

    Would Also entertain a trade for a NBS-NNBS tahoe/yukon I am selling my black 2003 H2 with every option accept a sun roof. I am the second owner and it currently has 72,236 miles on it. It has a clean Carfax and the truck runs perfect. It drives like nothing I've ever owned and is truly a one...
  16. 04SS99Denali

    sold the kon

    yeaaa i sold my yukon. it was a great truck it did lots for me it was sad to see it go. ive had 3 yukons so i figured it was time for a little change of scenery. soooo... since im going to be commuting to school i was thinking of getting something fuel efficient (LOLLL). so i decided to get...
  17. 04SS99Denali

    2003 GMC Yukon SLT 6000$

    This truck has been great to me id much rather see it go to a good home rather then a thieving dealership. it runs and drives perfect let me know if anyone is interested you wont find a better price than this anywhere.. has 129k I have to sell my truck due to insurance reasons I just cant...
  18. 04SS99Denali

    car fax

    hey guys im going to buying another car on friday LOL. just wondering if someone can run the car fax for me if they have an unlimited account. i spoke with the owner im 95% sure the car is what he sais it is but it never hurts to be sure
  19. 04SS99Denali

    Question for you towers

    whatsup guys ive never really towed anything with my kon but im planning on buying a 2002 z28 thats upstate NY and im going to tow it 6.5 hours back to jersey. i was just wondering do you guys just leave it in D on the highway? or do you leave it in 3? do you use the tow haul button for city...
  20. 04SS99Denali

    Need help with armrest

    i recently traded in my OBS denali for a 03 yukon and the drivers arm rest is all torn up and i want to take it off to get it fixed up. can someone tell me how it comes off? i tried but i cant figured it out
  21. 04SS99Denali

    a/c evaporator drain issue

    so i recently sold my obs 99 denali and picked up a 03 yukon. after 2 weeks of driving i noticed the passenger side carpet is wet and smells horrible. a friend of mine had this same issue with his silverado and it turned out the a/c evaporator drain tube was clogged. i noticed while inspecting...
  22. 04SS99Denali

    New Rims for the Denali

    i used to put these on my silverado but this year i decided to throw them on the the yukon. i have to say for a $4000 truck it can really shine up. let me know what you guys think
  23. 04SS99Denali

    oil pressure and tick/knocking sound

    what kind of oil pressure should i be seeing at idle? i think mines a bit low it shows anywhere between 18-20 psi at idle and about 40 on the highway. is this normal? and its also been making a ticking/knocking sound under load and at certain rpms any help on this would be awesome! thanks guys...
  24. 04SS99Denali

    rims

    i picked up a yukon denali a few months ago and i need some rims for it but idk where to start lookin. can you guys with rims put up some pics so i can get an idea of what to look for. thanks guys
  25. 04SS99Denali

    new guy from jersey

    i picked up a 99 yukon denali as a beater a few months ago and i just heard of this site today so i figured i could learn a few things about it on here. its not in the best shape and i REALLYYY want some rims for it i hate the ones that are on it now. heres a pic of it along with my weekend toy...

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