HELLO I HAVE A GMC 2005 T7500 TRUCK

  • Tiny
  • Adamsproduce
  • 2005 GMC TRUCK
  • 185,000 MILES

Hello I have a gmc 2005 t7500 truck. I am having some type of issue when releasing the gas pedal the engine doesnt make make that brake air type noise when coming to a stop. It rolls like a car with no noise and sometimes it will have an air build up and make that engine slowing down noise. I do not have air brakes. Also when picking up off a red light it makes that a normal truck sound and gets quiet with a zzzzz sound. Exhaust light on dashboard also goes off when warming truck up?
hope this makes sense

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Monday, January 21st, 2013 AT 4:50 AM

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