Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum banner

noise transmission

  1. Tranny makes whining noise when cold and when put into drive or reverse.

    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...