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1-11 of 11 Results
  1. Transmission Mods
    So I have a 04 envoy 4x4 4.2L I just had my transmission replaced well come to find out the shop just rebuilt it so said that was in March 2022 come April 2022 I lost 4th then 3rd then 2nd gear only have 1st and reverse left I brought it back to the shop cause I had got a 3 year warranty on it...
  2. 02-09 Vortec 4.2L I-6 Engine and Drivetrain
    I've been fighting my 2005 trailblazer, No matter what the conditions are every time you go to start it gets stuck into security, after waiting 10 min with the key in the ignition it resets it just fine then proceeds to have a very rough start. Any tips to disable the security entirely? or just...
  3. Off-Road
    I recently just bout a trailblazer and I wanted to do a offroad build. I already found a lift and some rims I want to get but I didn't know that every trailblazer didn't have locking diffs. I looked for the code in my glove box and mine has the GU6. I don't really know what that code is for but...
  4. 02-09 General Tech Q&A
    I got an '02 Trailblazer LT and I don't know where to start with telling you what's wrong with it when I got it there was not really anything that seemed wrong got to looking at it One of the tire rods is held on by zip ties one of my brake cables were cut I have an electrical problem from he**...
  5. 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...
  6. West
    Can i flat tow my rear wheel drive 2006 Trailblazer for 1.5 miles, diwn the street to put into storage until i can change the motor.
  7. 4x4 Drivetrain
    I'm new to the forum and need help. I've recently gotten a 2002 Trailblazer EXT LT from my parents to use as a work truck so I don't use my car to get in and out of jobsites that often don't have roads or even gravel. I tried using the A4WD the other day to get across some pretty greased up mud...
  8. OEM Issues
    I got a trailblazer for my Son paid 4K total it had low mileage and looked fairly clean inside. There were a few things I knew about like New shocks, rear trailing arms i had to fix then found it needed valve cover gaskets because there was oil on the spark plug boots, then new front hubs and...
  9. 02-09 General Tech Q&A
    Ok so I have a 2002 Trailblazer and when I purchased the car the factory radio was cut out. So I rewired it so I could hook the radio back up and when I plug the factory radio back in, the display doesnt come on but the lights for the keys on the radio do and my car wont crank or start. The dash...
  10. 02-09 General Tech Q&A
    I have a 2006 GMC Envoy XL I want to install some aftermarket LED headlights on. I want to use the bulbs from the Company Lasfit that I have seen are pretty nice, but I am worried about fitment of the bulb in the headlight due to the large heat sink on the back. Being that the headlights have a...
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