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  1. About to attempt a Door Mode Actuator replacement

    The 02-09 "How-To" and DIY Section
    Hi all, like the title says I am planning to replace the Door Mode Actuator on our new to us 2003 Envoy XL SLT with the dual climate controls. I actually found this site when our mechanic said it was a $500+ job to remove the entire dash and replace the part..yikes. I sourced most of my info...
  2. Trailvoy LED Replacement Guide

    If you're anything like me you like doing things yourself; cheaply, and efficiently. Doing vehicle mods cheaply requires knowing EXACTLY what you need and how to install it. When it comes to replacing stock Trailvoy bulbs with LED, there is a TON of disinformation floating around the internet...
  3. Found the issue with my car!

    So I found out what the noise was that was coming from my car today. It's worse than I thought, and I have a video that shows the issue. From what I see, it's the water pump. When the engine is on, the pump moves and when it does it makes the noise I hear. I'm happy I know what the issue is...
  4. 07 Trailblazer Emblem Replacement

    Hello, I have the non-sport grille on my '07 Trailblazer and was looking to purchase this emblem: listed for this particular part it says its for 2008-2010 but seems as if it SHOULD fit my 2007, am I right??! Also, does anyone have any links...
  5. Want to change out speakers - Questions and Recommendations?

    Audio and Electronics
    I've wanted to do this since I got my custom Sony XPLOD stereo, but have held back for various reasons. At this point I am now committed to doing this, but I have a few questions as I am a complete novice to something like this. 1: Does anyone know the RMS for a 2003 Chevrolet Trailblazer? I...
  6. New timing chain and oil pump?

    Engine Tunes/Mods
    Alright, so I have a trailblazer engine I bought with 99k miles on it because I gave up repairing my trailblazer engine, I have the engine out and I have a new timing chain and oil pump, should I change them before I put the new engine in or should I just drop the engine in?
  7. What Backup Camera Should I Buy?

    2 months ago I bought a very cheap (about $15) Koolertron backup camera. It is now starting to go out.... I would like to buy a new one but I don't really know what brand to go with. The one that I have now screws onto the license plate, but I would really like an under mount model (above the...
  8. Crankshaft Position Sensor Replacement

    Hi All... I have an intermittent problem with my 04 Envoy L6. Every so often, when I'm driving my SES light blinks one time, very quickly, like the blink of an eye. Several theories have been presented to me, one of which is a malfunctioning crankshaft sensor. The questions are: 1) Can I do...
  9. 4.2L Throttle Body Replacement relearn?

    Can anyone tell me if a relearn is required after replacing the throttle body assembly on a 2004 Envoy 4.2L? The dealer told me today, I need replace mine because of a fault inside the TB itself for $533 installed. Thanks!
  10. Rear Lift Gate Replacement Part

    I've posted in the past, what would be causing my rear tailgate to be rusting on the lower left hand corner. Its rusting from inside the panel in order to fix the rust problem, i was told i need to replace the entire tail gate. What are you guys' thoughts on this? Second, I...
  11. Replacing Door Sills

    Can anyone tell me how to remove the door sills in a 2003 envoy SLT? so that i can replace them with new ones Thanks, npulling
  12. [SOLVED] How to replace the radiator on a 2002 Chevrolet Trailbalzer

    The 02-09 "How-To" and DIY Section
    This was not a pleasant or easy job to do and may take 3-4 hours to accomplish. Here is a good similar post on the replacement for an Olds Bravada. Here is a good article on removing the fan shroud. How to replace the radiator on a 2002...
  13. Speaker Impeadence Question

    Audio and Electronics
    Hey all, I need to replace my speakers all the way around. I removed the back and see that they are marked 8ohms. I am assuming the fronts are 8ohms also. Can I replace these with 2ohm speakers? Will the head unit be able to handle a 2ohm speaker load? Thanks in advance, Andrew
  14. Radio change

    Audio and Electronics
    Hey I am looking at changing out my stock radio for something that will play my cds batter and looks in better condition than my current one. However i have heard that somethings wont work if i just take my oem radio out and try to put in something else. is this true if so then what do i need to...