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  1. Transmission Mods
    I have a 2004 gmc envoy transmission I got from my old envoy to worked amazing. I saw a 2006 envoy on marketplace with a bad transmission. I’ve heard that it won’t work because the new envoys have an extra sensor in them. Is it true? Can I put an 2004 4.2 envoy transmission into a 2006 4.2...
  2. 02-09 Vortec 4.2L I-6 Engine and Drivetrain
    Hi guys, I took my 2004 envoy 4.2 4wd into a well respected mechanic in town and was diagnosed with a leaking front axle seal. They told me it's a 10.5 hour job, may have to drop the whole front diff. $1650. From all of the research I did on this forum and YouTube before bringing it in to...
  3. Exterior
    Hello, I bought a 04 GMC xuv with no experience before. (besides having the regular short 04 envoy with all the same specs like color, sle, 4x4, now sitting in the yard after its engine blew) After I replaced the corroded tailgate switch, it swang open just did not stay in place, just keeps on...
  4. Suspension
    Thanks in advance, Three years ago we had the dealer replace our Rear Air Suspension and she's been working fine ever since. Now, shes not bottomed out, but riding very low and rocking the rear end does not kick the compressor on as it once did. Suggestions? (other than a spring upgrade) thanks...
  5. General
    This nugget came up in my news feed yesterday. Too good not to share. Enjoy. https://gmauthority.com/blog/2021/03/whats-it-like-to-own-the-innovative-gmc-envoy-xuv-video/amp/
  6. FILE0002.JPG

    This pictures are when I recently bought.
  7. FILE0003.JPG

    This pictures are when I recently bought.
  8. FILE0004.JPG

    This pictures are when I recently bought.
  9. Audio and Electronics
    I own a 2004 Envoy SLT. I went out to put something in the car and noticed the car would not unlock. I opened the door with the key and hooked up the car to a battery charger, we noticed the battery was charging really slow. Once the battery was charged, I attempted to start the car with no...
  10. My amateur build

    This is my amateur build, money is tight obviously lol, new master craft courser axt2, painted rims, TAC bull bar, ROLA roof rack, 4.2l I6 with a K&N performance air intake. Typical high schooler setup. I plan on adding alot more once I get more money, I plan on adding a stiffer suspension since...
  11. OEM Issues
    Hello all, I have an '04 trailblazer with 4.2L. Within the past week it seems to run sluggish around 1500-2000 rpm, no power. If I give it more gas it'll down shift and power is back, seems normal at the higher rpms (almost like hitting the power band in a two stroke dirt bike). I have an...
  12. General
    We just bought a 2004 Trailblazer in really good shape. One thing we need to check out is what's causing wetness in the cargo area, inside the little storage thing. I suspect it's a break in the washer fluid line for the hatch window, which is under the carpet. How do I remove that plastic trim...
  13. General
    I recently have been having the high idle issue. Come to find out, the FPR hose was not connected to the resonator. I connected the FPR hose to the resonator and disconnected/connected the throttle body plug. The high idle issue was solved and the check engine light disappeared. I decided to...
  14. General
    2004 Trailblazer Just to summarize, I have confirmed all rear lamps work via hazards, reverse, turn signal, and remote entry flash. Both fuses involved are in tact. When I depress the brake pedal, I hear a relay under the console near the cigarette lighters, which leads me to believe the...
  15. 4x4 Drivetrain
    Hello all, Just purchased a 2004 GMC Envoy with 106k miles on it very recently and I sort of already have experience with this car since my dad owns an '02 Trailblazer EXT. In his car, which I found out through the manual, you can engage A4WD or 4HI at any speed in any gear. I've known this...
  16. Introductions
    Hey guys, I've been a member for a little while now, but never really posted anything about my own 2004 Chevy Trailblazer. Got it back in August and have been personalizing it since. I don't like my vehicle to look like an average one, I like it to stand out. Anyway here's a list of add-ons and...
  17. Introductions
    Hey Trailblazer/ Envoy/ Ascender/ Rainier/ whatever fans! I joined a few days ago after looking at Trailvoy for years. I only joined to share my sadness today. A couple of days ago (2 days before I joined), I was in an accident on 15/501 in Durham NC. I was cut off by an 18 wheeler, the collided...
  18. Introductions
    Looking to buy a car and found a 2004 envoy xlt with 112k for $10,900. Don't have much knowlage about these cars and there doesn't seem to be a lot out there about them. I really need some tips here! I need to make my decision over the weekend. V8 2wd all power. Thanks much, looking forward...
  19. Audio and Electronics
    Hey guys, I had my speedometer peg out on me while driving. I swapped out my instrument cluster through the GMC dealer. This fixed my original problem but my lower 4 buttons on the steering wheel no longer work. I informed the dealer, and they gave me a replacement. The replacement did not...
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