• If you currently own, previously owned or want to own an Avalanche, we welcome you to become a member today. Membership is FREE, register now!


  1. TFjed

    '05 Z71 Will Not Start After Maintenance

    Got my engine all buttoned up after the oil pump, timing chain etc. and now it won't start. Turns over and over then stops after awhile. There are messages about servicing the brake system as well as stability, and the TC light and ABS lights are on. I'm waiting for new lower control arms...
  2. T

    Brake Light Switch Issue

    Hi everyone - 2007 Chevy Avalanche I searched but could not find an answer to my issue. My traction control and ABS lights are on so I swapped in a new brake light switch. The screw that secures the switch was gone. Installed the new switch without the screw. Lights go off but just...
  3. dwprog

    Loud very random thumping/clunking front end driver side floorboard

    Hello, I am a new member and I was looking through the forums but could not find anything addressing the same issue I am experiencing. I just bought a 2005 Avalanche LT Z71 about a month ago and the last couple weeks I have had this very random thing happen that I have never heard before in any...
  4. A

    Low speed abs active.

    I have a 2003 Avalanche and I am having problems with abs coming on between 10 and 0 mph on dry roads. I changed both front wheel speed sensors and it did not help. If there are rear wheel speed sensors, I cannot find them. Any ideas of what could be wrong. Thanks for your answers.