Which heat shield? There are several.
It shields the rest of the car from the heat of the exhaust or radiator .
Driving without a heat shield may damage the car. It can damage the car by melting any gaskets (rubber hoses), and electrical wires close to it.
usually a loose heat shield or a muffler rusting out, exhaust parts rust from inside out. My money is on a loose heat shield
Heat shields are used on cars to protect components and bodywork from heat damage coming from the engine and exhaust system.
Loose heat shield... Not a big deal at the beginning untill it gets really unoying later... Best way to fix it by removing the heat shield or replace it with a new one
Possibly a loose heat shield or other component.
Check the heat shield.
Check to heat-shield at the catalytic converter because something is loose
Inspect the catalytic converter heat shield.
i would need to know which shield ur talking about before i can give a professional opinion.
it a battery with a shield around it