(2) After the heat shield had been gone for nearly a year, my exhaust manifold cracked. Could the missing heat shield have hastened the failure of the manifold? -- Holly Tom: Well, to answer your ...

The alternative is using a heat shield, reflecting the engine's heat. It’s usually made from aluminum or steel and placed 1-2 centimeters away from the exhaust and exhaust manifold. This small gap ...

Removing the manifold and snipping off the heat shield revealed major fissures throughout the cast iron. If you have a tubular exhaust manifold you can remove the manifold and weld up the cracks.

Q: The exhaust shield on my 2009 Toyota Camry fell off. My mechanic said I don't need it and not to worry about it. Should I replace it? A: Technically the exhaust heat shield was installed to ...

exhaust manifolds are typically made from heavy cast iron material for strength and longevity. Furthermore, it usually also has a built-in heat shield to prevent the high temperatures of the ...

Unlike the original, it isn't directly attached to the swirl tank or exhaust manifold and so doesn't suffer from direct heat transfer. The heat shield wraps around the exhaust manifold and extends ...