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  1. Old member from Colombia

    Hi everyone, I'm a mechanic enthusiast and a DIY'er, joined Trailvoy in 2016 looking for information before buying the Trailblazer, the site has been very helpful for my repairs and to get to know the truck. Bought it with 110.000 miles and my transmission failed trying to climb a steep hill in...
  2. Rear HVAC troubleshooting help

    OEM Issues
    I have a 2003 trailblazer ext. My issue is that I am replacing the actuators currently and they work just fine now after a reset but the vents don't put out any heat. I've gone below and felt the coolant lines, they seem to be warm and the ac lines seem to be cold. The issue was present before...
  3. [SOLVED] (NOT SOLVED)-2007 Trailblazer PS leak - HELP!

    The "How-To" and DIY Section
    I am a new member here and I am kind of clueless when it comes to cars. I have a problem with power steering fluid leaking from appears to be called the tie rods or the lines. I am not sure which. I can take a picture and post it here if need be. I just know where the source of the leak is...
  4. 02 Trailblazer running rough IN gear

    OEM Issues
    So, I did do a search for this topic but have yet to see it. so sorry if its a repeat. So heres my truck, it has thrown codes for a while and engine lights on...change oil light, service engine soon, Intermittent loss of power, loss of power when a/c is on most of the time, rough idle, dies...
  5. [SOLVED] The easiest way to repair fuel tank inlet leak

    The 02-09 "How-To" and DIY Section
  6. '02 TrailBlazer Fix or Sell (part 2)

    Note: I made a similar post about this topic a couple months earlier. The same truck problems exist, only now I feel like a decision has to be made sooner than later. TB Quick Stats: -'02 -2WD -113k miles So half a year's gone by and I still...
  7. [SOLVED] *** urgent please help ***

    OEM Issues
    Hi. I have a 2004 gmc envoy with CAI and highflow exhaust, The envoy has just started to mis-fire extremely bad, its not in limp-mode but misfires badly on acceleration and every 5-9 seconds at idle. engine even shakes a little. I've tried seafoam treatment and nothing. I think I can hear a...
  8. Sell or Repair

    Took the old TB to the mechanic the other day because of a pretty significant oil leak that I noticed accumulating on the ground. The news I got was just shocking. In his words, there was "oil all over the place" and with that he concluded that I'm going to need a replacement engine. On top of...
  9. [SOLVED] Sun roof repair

    The 02-09 "How-To" and DIY Section
    How to repair sunroof. Vehicle used for documentary: 2003 Chevy Trailblazer LT (other vehicles may have slight difference's) Symptoms: loud snap or bang while opening or closing sunroof unable to close or open sun roof How to prevent: clean and grease track regularly, grease that came with...
  10. Factory 2002 DVD Player Repair

    Audio and Electronics
    Hi all, I've searched the web, here, and some local repair places with no luck. My 2002 has the built in DVD Player. We didn't use it much the 1st 2 years as our daughter was just born when we bought the TB. We used it a lot the next 2 years, and then the screen quit working. The dealer...