Your Nissan exhaust removes the gases produced by combustion. If these gases remained in the engine and diffused gradually, they would create too much pressure inside your engine and prevent it from starting. Like all other components, your exhaust can become worn or damaged and need repair at your Nissan dealership. These are a few signs your exhaust could be in trouble.
Fuel Smell
Your fuel system is airtight, so you should never smell fuel in your cabin. If its heady fumes waft into the cabin, you could have a damaged exhaust. As we saw above, the gaseous byproducts of combustion are dumped into the exhaust. The exhaust pipe is made of several sections that are welded together, and over time these welds could leak.
The exhaust pipe can get damaged by hard objects thrown up from the surface. External damage, combined with the heat and pressure in the exhaust system, can easily cause a leak. If this happens, you’ll smell a strong fuel odor and hear noises as the pressurized gases are forced out of the hole. We’ll examine your exhaust and repair any damage.
Banging Noises
If you hear banging noises when you are driving, this is always a sign something is wrong. If the sound seems to come from directly underneath your Nissan, part of the exhaust could be loose. The exhaust system runs from the exhaust manifold in your engine to the tailpipe, and it’s secured in place by strong metal brackets.
The underside of your Nissan is exposed to water and mud, and these liquids can collect on the brackets. Water can easily cause one or more brackets to rust and break over time, or the bolts that hold the brackets in place can break. If part of the exhaust isn’t securely bolted in place, it will move up and down as you drive and bang into the underside of your Nissan. We’ll examine the brackets and replace any damaged ones.
Blocked Catalytic Converter
The catalytic converter is the part of your exhaust system that converts dangerous engine gases into harmless ones. It does this using chemical reactions, intense heat, and extreme pressure. Once the chemicals are converted, they pass through the exhaust system and out the tailpipe. Carbon is a byproduct of the conversion process, and it can build up and block the converter.
A blocked converter reduces engine power as the gases are forced back into the engine. If you’re experiencing low performance and increased fuel consumption, visit us right away. We can quickly unblock the converter, and engine performance will return to normal.
If you have an exhaust problem, contact us today at Ken Ganley Nissan Mayfield in Mayfield, OH.
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