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  1. 02-09 Vortec 4.2L I-6 Engine and Drivetrain
    2002 Transminsion slips going into 3rd and won’t shift. Put a rebuilt transmission in same problem. Put a new transmission in and again exact same problem. Thought it was the shift module on the side of the transmission and replaced it with a brand new one. Still same problem.
  2. 02-09 Vortec 4.2L I-6 Engine and Drivetrain
    This TB has been giving me a run for my money. I have the 02 TB LS, 5.2 I6. Was running decent enough despite having an evap code I haven't handled yet, until this morning. *note, it has been VERY loud upon starting over the course of the last week or so- still undiagnosed as well. Noticed...
  3. General
    I am looking to purchase a cheap car, less than $1500. I found a 2002 chevy trailblazer for $1000 with only 140k miles on it. The listing says that there is a possible stuck valve, or loose flex plate, and that the gauges will randomly not work. I am a new driver, and I want to better understand...
  4. Audio and Electronics
    Trying to introduce an Amp & a pair of subs into my FACTORY BOSE SYSTEM while retaining the stock HU. ‼️‼️ I've been lost in a world Conflicting/Contradictory information for days now & I haven't a clue what is Fact and what is Fake‼️‼️ Ok, here goes...So for about 3 days now I've been...
  5. Classifieds
    '02 Trailblazer LTZ for sale for parts vehicle. Motor runs great and has a lot of new stuff installed on the truck (have all reciepts). Body is in great shape but the frame is a rust pile. The power steering hoses rusted through and can't be replaced due to the frame. Selling for $1500. Also...
  6. My 02 Trailblazer LTZ

    Love this truck! Power everything! Electric everything. Runs and drives like a dream!
  7. General
    I have a 02 trailblazer and it's taken on a life of it's own. It started with my remote entry ceasing to work. My ac / heat decided it would only work on #4 setting. That was followed by my rear wipers coming off and on as they please regardless of what I do with the control switch and will...
  8. OEM Issues
    I had to register for this; I have a 2002 Trailblazer LS A4WD with 190xxxx that had/has a lot of problems but through a bit of research, here & else where I was able to knock down most of my issues. I started with U1000 - class two serial comm. problem P0340 - Camshaft position sensor...
  9. OEM Issues
    A few weeks ago my SES light came on and began flashing. I got the codes read and it threw camshaft positioning sensor P0340 and crank shaft positioning sensor (I can't remember the code number). I replaced both and cleared codes. I drove it for about 20 miles and the light came back on. I read...
  10. Towing
    Ok, to begin with I am going to say that I have spent a good few hours reading about towing with a trailblazer since I never done it before. I have a 2002 Chevy Trailblazer with 145k miles, 3.42 gear. I used to be a technician at a GM dealer, so the car is at a very good shape. All fluids...
  11. Show and Shine
    I'm new here and I'm not exactly sure where to put this but, I'm getting a family hand me down 02 Trailblazer LS...I looked on youtube to see what exactly the interior looks like and haven't really found anything. Anyone have any interior pictures of the LS? :thx
  12. General
    Hi All, I recieved a Python 424 2-WAY remote starter (VIPER 4204) and I am trying to find an installer to install it. I have tried many different Best Buys and one gives me a quote around $180 another $379. STRICKLY for the install lol. The major difference is they bypass for security and the...
  13. OEM Issues
    2002 TB LTZ This evening my rear wiper arm broke off and I was searching the articles for replacing it with an OEM arm I will be ordering. The assembly article is for an '07, and one part says for the washer hose to "just pull it" from the plug on the tailgate. Is this true for an 02? I'm...
  14. General
    story.... 2002 black tb bought my tb week and a half or so ago.. stereo didnt sound to good but didnt think anything of it since i have had similer problems in the past which was due to a antenna booster or soemthing not being hooked up... but any who.. was showing my dad my new used tb...
  15. General
    I have been reading threads for hours and I think I am more confused than ever! LOL I know there has been alot of posts about the oil pressure dropping to 0 when a car idles and I have read all the responses about the oil sending unit. I also read that cars with a light have an oil pressure...
  16. OEM Issues
    Hello everyone, I am new to this trailvoy Forum. I have used it many times before and im many cases it has helped with my problems. I recently just had a problem with my envoy last week that I think I should share with all of you. Last week I was driving along and out of nowhere my truck stoped...
  17. Audio and Electronics
    Hey, I am looking at installing an air horn on my 2002 tb LS. Im not really sure how to do this but i am asking for pics and notes/tips from anyone who has done this before. thanks and ill post pics of the project once i get it installed.
  18. Exterior
    Does anyone know how to get to the foglights on a 2002 GMC Envoy? i need to change the passenger side, but don't know how.
  19. OEM Issues
    Just about everytime i take a turn i hear a clunking noise.. im not sure if it is coming from the front end or the back. but when it does it it almost feels as if i got hit and it jolts sideways. the 4WD seems to be working fine and the CV axles and tie rods seems fine. any other ideas would be...
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