Chevrolet Suburban 2500 Problem Report

Chevrolet Suburban 2500 Popping Noise From Muffler Heat Shield

(10 reports)

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.

BUZZING SOUND UNDER CAR- get louder at certain rpm that increases with accelerating or decelerating. Get kit from dealer or wedge it. -
Thought it was the gas tank expanding/contracting..........just another gm screw up -
heat sheild makes annoying rattle at low rpm's not yet fixed looking for solution -
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