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tranny

  1. OEM Issues
    I've noticed a very damaging like-sound come from my truck recently, it sounds terrible! I have the 4l60e, it sounds as if the transmission is just grinding on the gear to shift, it'll make a terrible grinding noise when trying to shift from 1st to 2nd and then 2nd to 3rd. I dont know what it...
  2. 02-09 Vortec 4.2L I-6 Engine and Drivetrain
    I have a 2004 GMC envoy XLT 4 x 4. It started with the shift linkage started to fall off so I could crawl into there and hook it back up and was good to go. Then they started when I was in reverse it wouldn't go so I'd give it more gas and it act like it was binding up as if it was in 4-wheel...
  3. Transmission Mods
    2003 chevy trailblazer 4.2L 130k miles, purchased with 100k engine runs great Transmission was stuttering on highway while traveling 50-55 mph. It seems like its happenening in 4th gear. If I accelerate sharply it will shift up and ride smooth. Or if I tap lightly on Brakes it would...
  4. OEM Issues
    I have a 2002 Envoy w 4.2 liter 4x4. It has 230,000 miles and I just bought it. Have no clue if it was serviced when it should have been or not. But the other day it started making a squeal or kind of whistling when shifting from 1st to 2nd. And then it tends to lose power. If l ease into it...
  5. OEM Issues
    I have a 02 Trailblazer with I6 and automatic tranny with 98xxx miles. When the vehicle is cold I have a whining sound (kind of like a fan rubbing up against something which sounds like it is coming from the Tranny) that starts just before shift and last through the shift. As the vehicle...
  6. OEM Issues
    Hello all. I have an 04 Trailblazer EXT, V6, with approx 120K miles. I have recently put about $3000 dollars back into this vehicle after 2 years of abuse by my soon to be ex-wife. This includes brakes all the way around, including calipers, tires, headlights, cleaning, oil change, etc. I had...
  7. 4x4 Drivetrain
    Hi does anyone know the spline count for the input and output shafts of our tranny? Got some ideas about a tranny swap. Reason: 5 months ago I rebuilt my tranny, two weeks ago my rear diff blew and destroyed my tranny. Put detroit locker and 4.56 gears in. Now I want a new tranny. Thanks for the...
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