![]() ![]() This sound can become more pronounced during acceleration. Once a tube breaks, it may cause an exhaust leak which, in turn, contributes to the noisy hissing or tapping sounds emitting from the engine. You’ll Hear Loud Hissing SoundsĪ loud engine exhaust usually is one of the first indicators of a faulty flex pipe. Damaged components tend to leak exhaust fumes, often making their way into the generator room.Ī damaged flex pipe may also damage the exhaust manifold itself, resulting in a burning smell coming from the engine bay. Expect the Smell of Raw Diesel FuelĪnother common sign of a broken or cracked flex tube is the noticeable odor of raw fuel. In this article, you’ll learn what a broken flex pipe looks, smells, and sounds like and when you need to swiftly replace the pipe and keep your engine going strong. However, it may not always be easy to distinguish when your flex pipe fails. These metal sections are called flex pipes or exhaust expansion joints and can fail from time to time, requiring replacement. Within the system exists metal bellows that create flexibility in areas and can withstand vibrations better than other pipes on the engine. Your generators’s exhaust system has several components contributing to an efficient operation. ![]()
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