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transmission

  1. 2015 Colorado Crew Cab V6 2WD rolling chassis with drivetrain

    For Sale
    I have for sale a 2015 Colorado Crew Cab rolling chassis with drivetrain and fuel system, full body wire harness, minus a few plugs cut. It is V6 and 2-wheel drive and has 80 miles on everything. This vehicle was purchased for Battle of the Builders SEMA 2016 build by the shop i work at...
  2. Tranny Swap

    I4/I5 Engine & Drivetrain
    Are the bell housings and transfer case mounting the same between a 2005 3.5L 5Cyl. and a 2006 2.8L 4Cyl? I have a '05 that the motor went and '06 that the tranny went! I'm wondering about putting the tranny and transfer from the '05 into the '06.
  3. Transmission issues between 55-70mph

    I4/I5 Engine & Drivetrain
    Okay so this is going to be quite the story as i would like to include all the information possible. Im at a loss with my 06 Colorado Z71, I love the thing but its becoming a money pit. Soo here it goes.... I rebuilt my transmission 2 years ago now due to a burnt out 3rd clutch, everything has...
  4. 4l60e Strange noises while in park?

    I4/I5 Engine & Drivetrain
    Was sitting in a drive thru the other day and threw my truck into park and it started making this strange noise. Its almost like a buzzing/grinding sound. I cant quite narrow it down, it seems like its coming from the transmission but it echos off everything underneath the truck so that's my...
  5. Transmission concerns

    Engines/Performance/Tech Questions
    I have a 2007 Canyon with the 3.7 and 4L60. She won’t shift into 3rd gear anymore. I have changed the fluid, both shift solenoids, had a code for a VVT solenoid and changed that. It has 249,000 miles. Does anyone have any thoughts on what else it could be before I take it to the shop?:th_woot:
  6. Reverse not engaging until truck is warmed up (auto trans)

    I4/I5 Engine & Drivetrain
    Hey guys, I've been a lurker here for a while but haven't needed to post until now and I am looking for some help and advice. As the title suggests, I'm having some trouble with shifting into reverse first thing after starting it up in the morning. Some recent info to consider: I live in...
  7. Torque Converter Position

    I4/I5 Engine & Drivetrain
    Hi all, I am new to this forum (first post), I searched through the threads and did not see anything related to this so here it is. I have a 2007 Canyon with the 2.9 in it and my transmission went out. I took the transmission out and rebuilt it and I also bought a re manufactured torque...
  8. Grinding noise when coasting in D4

    I4/I5 Engine & Drivetrain
    I have a 2004 Canyon 4x4 automatic that is making a terrible grinding noise when coasting. I'm typically driving in 2wd with the gear selector in D4 at decent speed is when it does it. The noise goes away the instant you get on the gas. I have discovered that once it gets up to temperature, I...
  9. Colorado Speedometer Correction

    Tuning
    Hi I am new to this all so please cut me some slack. I have a 2wd 2012 Colorado WT, 4 cylinder. I recently switched from the 215/70/R16 steel wheels to a 235/75/R16 tire. My speedometer is off quite a bit as the tire is 2" taller than stock. I know one way to get the speedometer fixed is a...
  10. To drop or not to drop? That is my question (about my tcase)

    I4/I5 Engine & Drivetrain
    :wrado: My transfer case is dying, and it seems to get worse every time I drive the truck. Started when it got engaged somehow by accident before a road trip and my gf drove the truck on texas highways in 4-hi for a few hundred miles. When we got home she complained that the steering was heavy...
  11. 2009+ Starting Systems Schematics

    Schematics
    Starting Systems (M30) Automatic Transmission Starting Systems (MA5) Manual Transmission
  12. Leak from oil pan / trans, HELP!

    I4/I5 Engine & Drivetrain
    So as I was changing the oil on my truck I noticed what seems-to-be-oil coming from the rectangular seal on the oil pan where it meets the trans. I did see this last time i changed the oil, but i decided to put it off… :slap: Anyway, I wanted to know what this seal is for, can i fix it, and if i...
  13. 2015 Automatic Transmission Slipping

    V6 Engine & Drivetrain (2015+)
    Anyone heard of these transmissions slipping with only about 430 miles on them. Hbaker1712 2015 Chevrolet Colorado v6 2x4
  14. transmission go boom

    I4/I5 Engine & Drivetrain
    So I was on my to a friends in my truck. Turned onto the highway and went to accelerate... Bang! Wth? and then my truck stopped accelerating. I pulled over and after messing it (automatic transmission) I figure out manually selecting 1st and 2nd work... So I have to get back on the highway...
  15. Help!!! Cold weather transmission burst plate

    I4/I5 Engine & Drivetrain
    Hey guys, I have an 06 5 cylinder 5 speed. I noticed a puddle of oil under my truck today after work, I crawled under it and in the bottom of the transmission, there is a very tiny hole, maybe half the size of a dime, all of my tranny oil drained out of it. It looks like a plug used to be there...
  16. Aisin Transmission Input Shaft Bearing

    I4/I5 Engine & Drivetrain
    Hey everyone. First off just want to say that I have used this site a lot to get help with my truck and what I need to do to fix anything I need to. I have a stock '04 GMC Canyon with the 2.8L. I just got done replacing the clutch and while doing it I noticed that the input shaft was really...
  17. Weird transmission problem, please help

    I4/I5 Engine & Drivetrain
    I really hope someone can help me. I drive an automatic 2006 z85 colorado i-5 3.5l. Yesterday I was driving around 50 mph and randomly noticed that it was reving much to high to be cruising at 50. so i stopped, turned the vehicle off, and restarted it. I then accelerated like i normally would...
  18. auto trans not shifting into 4th when cold

    I4/I5 Engine & Drivetrain
    I have a crew cab 4x4 with the 4l60e auto trans and im having problems with the trans not shifting into 4th gear. It is only doing this when the truck as been sitting for 8 oro hours either when I start it up in the morning or when I get off of work it does this. It will hold onto 3rd gear...
  19. How-to: Make your own custom shifter

    How-To: Interior
    Disclaimer The community here at 355nation.net urges you to please use caution and seek professional assistance when performing modifications to your vehicle. Before attempting any modification it is advised that you refer to your Colorado or Canyon service manual or contact a certified mechanic...
  20. How-To: Install a Transmission Cooler

    How-To: Performance & Maintenance
    Disclaimer The community here at 355nation.net urges you to please use caution and seek professional assistance when performing modifications to your vehicle. Before attempting any modification it is advised that you refer to your Colorado or Canyon service manual or contact a certified mechanic...
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