Loss of pedal pressure, no fluid loss - Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum

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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 > OEM Issues

OEM Issues OEM Repairs & Problems

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Old 04-30-2017, 09:31 PM
Junior Member
2004 GMC Envoy SLT XL
Black Granite Metallic 4.2L I6 4X4
Join Date: Dec 2013
Location: Madison county, IN
Posts: 7
Loss of pedal pressure, no fluid loss

Ok, 1st so you know, I am a 40+ years as a mechanic. This one has me fuddled. Lost pressure on way home from work during a normal stop _Not a panic stop_
Been having a right front brake dragging for a week with no time to change due to working nights and have to sleep. Finally got chance to replace pads on front. left front caliper was HELL to collapse but got it compressed. still no pedal. Replaced master, still no pedal. Bled out master at fittings after replacement and bench bled before mounting.
Had the wife pump brakes while I watched under truck, NO sprayers, No drips??????
Anyone else ever have this issue?
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Old 08-12-2019, 01:03 PM
Forbinproject01 Forbinproject01 is offline
Junior Member
2008 SAAB Aero
Black 6.0L LS2 V8 AWD
Join Date: Aug 2016
Location: Boylston, MA
Posts: 3
Same/similar problem

You ever find a solution, I have the same problem? ? No codes no dash lights no brakes to speak of. Calipers, pads, rotors and brake lines were changed last November by my local garage/mechanic. Ran great since then out of the clear blue sky pedal went to the floor.

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