2005 Envoy Brake pedal goes to floor when engine is started

Asked by Aug 28, 2015 at 10:49 PM about the 2005 GMC Envoy XL SLT 4WD

Question type: Maintenance & Repair

Relaced rear Brakes,rotors calipers and pads,bled brakes got solid pedal. started engine and pedal goes to floor when pumped.

1 Answer

61,415

Bad master cylinder,or ABS module,

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