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transfer case

  1. I4/I5 Engine & Drivetrain
    I'm a long time lurker of the forum so I'm likely posting this in the wrong place, but I digress. I had been having weird 4wd issues pretty much since I got the truck. Issue # 1: Truck will shift into 4hi successfully, but no 4lo. Light just blinks for a while until it gives up on it. Tried...
  2. Engines/Performance/Tech Questions
    There's some info out there about the correct part number for a TCCM in our trucks but I haven't found a clear answer as to whether or not a TCCM from a truck with different equipment than yours (engine, trans, rear end) will work? I'm not the most informed about modules and controllers but...
  3. I4/I5 Engine & Drivetrain
    Ok so after going through a deep water crossing the other day my TCCM got wet and is no longer working. I've had this problem in the past but was able to take it out, dry it with a heat gun and reinstall it and it worked fine. Has anyone ever had the idea to delete the encoder motor off the back...
  4. 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...
  5. 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...
  6. Schematics
    Transfer Case Control - Front Axle Actuator Transfer Case Control - Power, Ground and Serial Data Transfer Case Control - Shift Control Switch Inputs Transfer Case Control - Transfer Case Encoder Motor
  7. I4/I5 Engine & Drivetrain
    I'm just posting this because I had a transfer case issue today and it took me a while to track down the part number so I wanted to make someone else's life easier in the future. The Transfer case control module that is located under the drivers seat is part number 98146600. GMPartsGiant.com is...
  8. Engines/Performance/Tech Questions
    My 2006 Chevy Colorado won't switch out of 4HI. The light on the 4HI button flashes continuously. When the 2HI button is pushed it starts to flash and the 4HI button quits flashing, but the truck still stays in 4HI. We just got ~8 inches of snow and have been using 4HI sparingly to get...
  9. I4/I5 Engine & Drivetrain
    Started up the truck the other day and the serv 4wd light showed up. Been using the 4 wheel drive on and off the last few weeeks with no problems. Sometimes it gets stuck in 4 wheel but eventually shifts back into 2wd. There was no grinding or breaking noises any help?
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