Car Problem Reports

GMC Yukon Popping Noise From Muffler Heat Shield

 
GMC Yukon Problem
10 Reports
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Model Years Affected: 2000, 2001, 2002, 2003, 2004, 2005, 2006

Exhaust & Emissions Affected: V8

Average Mileage: 126,000 mi (115,000 mi - 132,000 mi)

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The muffler heat shield may become loose on the muffler causing a rattle or popping noise. Our technicians tell us there is a kit available from GM to correct this problem.

  • Visitor, , 132,000 mi

    Loud rattling noise coming from under the rear of the car. Have not had it diagnosed yet, but souinds like this may be the cause. The noise is not constant. Usually at slow speeds. Independent of whether the car is warm or not.

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  •  Rookie

    upon accelaration, I hear the vibration of the muffler.

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