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Go Back   Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum > 2002 - 2009 TrailBlazer/Envoy Tech > 02-09 Brakes, Suspension, Wheels and Tires > Brakes

Brakes Performance Brake Upgrades

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  #1  
Old 02-16-2013, 04:09 PM
doarider doarider is offline
Junior Member
 
envoy GMC Envoy SLT
Black 4.2L I6 4X4
Join Date: Feb 2013
Location: dayton oh
Posts: 2
envoy abs issues

ok im confused! abs and brake light came on the dash and abs is engageing at low speeds. scan showed right front speed sensor and a rear speed sensor. i replaced the front hub (bearing was going out so i rpleaced it all) and both sensors on the rear (figured if one was out the other wasnt far behind it) i also cleaned the ground under the drivers door just to be safe. i cleared the codes at my local parts store and without moving the vehicle both came right back as soon as i started the car. everything else (blower motor, speedo etc) are normal. any ideas?????? oh if i press very lightly on the pedal i hear a relay in the center console click and the lights go away when i release the pedeal they come back and the dic screen flashes service brake system. thanks in advance
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  #2  
Old 02-17-2013, 06:21 PM
doarider doarider is offline
Junior Member
 
envoy GMC Envoy SLT
Black 4.2L I6 4X4
Join Date: Feb 2013
Location: dayton oh
Posts: 2
anyone? i disconnected the battery cable for 30 min still have presets and the code still exsists where do i start? all sensors and bearing are new
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