changing brake fluid on 04 tahoe

Discussion in 'Lifted & Offroad Suspension' started by mike042, Apr 4, 2011.

  1. mike042

    mike042 Member

    hi all !! im doing brakes on the 04 tahoe Z71 and want to change fluid as i dont think its ever been changed. is there anything you should do different with abs sys. i never have even bled brakes with abs b4 . and also what do you think about synthetic vs standard brake fluid ? thanks
  2. Blacksheep1

    Blacksheep1 Rockstar 3 Years 500 Posts

    I don't think I would mix synthetic and std. Much like DOT5 doesn't mix, I have yet to hear much bout the synths.
  3. mike042

    mike042 Member

    ya im going to completely flush system. and put new fluid in. Im just wondering about the abs sys, will it flush out along with the rest or is there a special way to bleed/flush
  4. silveradotrailblazer

    silveradotrailblazer Epic Member 5+ Years ROTM Winner 5000 Posts

    Flush just like any other system. Trucks with ABS should have there systems flushed every 40,000 miles. If you don't have a power bleeder, what I do is suck out the old fluid with a suction buld ( looks like a turkey baster) and fill with new fluid and start bleeding the system making sure the reserviour doesn't get to low and suck air. Start at the right rear ( furthest from the reserviour) and work forward.

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