Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum banner
1-1 of 1 Results
  1. Transmission Mods
    Especially when cold, whenever my truck shifts from first to second, it needs to be above 3k rpm, which occasionally causes a hard shift. Whenever I drive I need to let of the gas and make it shift myself. My first thought was vaccuum leak or solenoids, but does anyone have any other ideas for...
1-1 of 1 Results