You may also hear a sound like rocks tumbling or a loud grinding if the catalytic converter was damaged by the manifold’s failure. However, manifold damage tends to create either hissing or tapping sounds centered around the back of the engine bay. Loud Exhaust NoiseĪ hole or lost gasket between any part of the exhaust system will naturally lead to a louder car due to the escaping sound and pressure. A new gasket or manifold could pay for itself in fuel savings within just a few months. Not only does this cause the aforementioned power loss, but it also causes your car to burn more fuel to travel the same distances. Stopping by the gas station more often than you used to? Fuel efficiency drops when the manifold’s damaged because the exhaust isn’t staying pressurized properly anymore. A loose manifold or one with a damaged gasket tends to slowly affect acceleration power, while a crack or other sudden damage will cause an equally sudden loss of power. You may notice that your car just doesn’t take off from a stoplight like it used to, or that you’re pressing the pedal much harder just to reach the next gear. Performance ProblemsĪnother common symptom of exhaust issues in general is a slow or sudden loss of power when accelerating.
Damaged manifolds don’t transfer heat like they were designed to, resulting in damage to the gaskets and compounding exhaust leaks. With the gaskets used on the manifold aren’t made from these materials, they do feature coatings that smell like rubber or plastic when overheated and burned. Burning SmellsĪn unpleasant smell of burning plastic or rubber may greet you upon lifting your hood after a drive around the block. Watch out for these common signs there’s damage to your exhaust manifold and you need timely auto repair. This manifold is generally made from a solid piece of metal for durability, but it’s not impervious to damage. It’s responsible for collecting all the exhaust and funneling it into the catalytic converter and then onto the muffler and tailpipe. The exhaust manifold is the part of your car connecting the engine to the exhaust system.
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