Chevrolet Silverado 1500 Problem Report
Chevrolet Silverado 1500 Popping Noise From Muffler Heat Shield
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.
Removed catalytic converters several years ago. Around 240000 miles heat shield started rattling. Thinking about just taking it off. - Visitor
awful vibration noise coming from underneath vehicle toward the rear. - Visitor
Mechanic heated the shield, bent it so it would not touch and this cured the problem. - Visitor
This happened to me as soon as i got the truck, took the shield off, cut and trimmed, and used green lochtite on the bolts, no more noise. - D-Tech
popping, or "oil can" pop while idling - Visitor
there is a raddle - Visitor
Whats the best way to remove the heat shield to access the spark plugs and should they be re-installed after.
One or more heater & AC (HVAC) air delivery and/or temperature mode door actuator may fail...
When I start my truck in the morning after a short while a rattling noise can be heard in the r...