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transmission fluid change

  1. Transmission Mods
    Hello All, This might be a stupid question, but I have a reason for asking it. We have a 2002 Trailblazer with the I6 engine and 238K miles. It's been a while, perhaps over 100K miles, since we've had the transmission fluid changed. The fluid is a dull pink. I should add that we are not...
  2. General
    Hey guys, First off sorry if this is the wrong category, first time posting. I love this forum and my recently bought trailblazer. It's been when taken care of, runs great but there are minor things still I'm gonna work on. My question comes down to the transmission. It has 221,000...
  3. General
    Transmission fluid for transmission replacement 2005 TB 4.2 V6 4x2 Hello! My old girl's transmission went out. 150k miles, and it's getting replaced. New transmission is getting shipped to the shop. I need to know where the best place is to go for the proper fluids that I'll have to provide...
  4. Transmission Mods
    My owners manual calls for Dexron III but it looks like most talk on here centers around Dexron VI... What are the pros/cons of making this switch, and would my tranny be better protected with the VI? What do you use? Just want to make the best choice that won't cost me $1700+ in the long...
  5. Transmission Mods
    I have a 2004 Trailblazer 155K every morning when I start it, a whining noise comes from underneath the vehicle it goes away after 2 to 4 seconds after I star the engine, I have checked the fluids and they are all ok. When I put it into drive it also makes the same whining noise as well as in...
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