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  1. 2002 Envoy with l6 transmission issue(s)

    02-09 Vortec 4.2L I-6 Engine and Drivetrain
    Hello everyone! I am back! This time, I have a transmission issue, the Envoy in question has 180,xxx miles, the engine has been taken care of thoroughly by me since I got the vehicle, I mean EVERYTHING. A tune-up, gaskets, synthetic oil changes, water pump, radiator fan, serpentine belt...
  2. Lifespan Thoughts (?) & Proactive Maintenance Suggestions (?) for LOW mileage 2005

    General
    Lifespan Thoughts (?) & Proactive Maintenance Suggestions (?) for LOW mileage 2005 My name's John - THANK YOU in advance for your thoughts.. I bought my 2005 Trailblazer EXT 2WD new - and have kept it outside (but always covered when not being used) in Florida since. Don’t drive it much -...
  3. first trailblazer..help choosing upgrades?

    General
    i recently purchased my first vehicle...an 04 TB lt. i changed all of the fluids myself and cleaned the truck inside and out. i changed all of the filters and from now on i just want to put upgrades on it. im looking at Pcmforless.com for a tuning. what else would you guys recommend...
  4. Hey guys, Totally new, so show me some love with this question:

    General
    Okay, so I bought my wife a sweet 06 Envoy denali with the 5.3L motor and all the bells and whistles. I love it, its perfect. Here is just a quick question. It has 94000 miles and we bought it from a reputable dealer in town. What should be my list of check offs to make sure i have done on it...
  5. 2003 TB need to prevent as much as possible...need your advice

    General
    What's up all, been a member for close to a year and it is time for me to right in. About 11 months ago a bought my TB (4.2, 4x4, LT) and for the most part it is good. I changed the serpentine belt (pain in the ass), found out the back liftgat window won't open (anyone else) it is stuck at the...
  6. Fluid Maintenance besides Oil changes?

    General
    Last night I was changing oil in the TB. I switched to Amsoil full synthetic last year from Mobil 1 synthetic and I'm doing the 1 year/25k oil change schedule. It's been 1 year and only 8,473 miles. While under the hood I was checking the other fluids. I checked the PS fluid and it was...
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