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Diesel engines might not seem like the most complex thing in the world. On the face of it, fuel is injected into the cylinder, that cylinder is violently compressed, the heat generated from the compression ignites the fuel and the engine fires. However, if you dig a little deeper, your diesel engine actually contains some clever pieces of engineering. +Read more
The 6.7 Cummins exhaust brake is just one example. When engaged, it will close off the 6.7 Cummins exhaust path from the engine and force air to be compressed in the 6.7 Cummins exhaust manifold.
The exhaust brake on a 6.7 Cummins serves a very useful purpose. It allows you to easily slow the engine and can be used to help brake the vehicle. However, the compression caused by a BD exhaust brake 6.7 Cummins and other exhaust brakes puts a lot of pressure on the 6.7 Cummins exhaust manifold gasket. The increase in pressure can expand small cracks in the gasket and exacerbate any leaks it has.
Therefore, it’s important to ensure that your truck has a 6.7 Cummins exhaust manifold gasket replacement fitted at the dates and distances specified in your owner’s manual. If you’re replacing your truck’s exhaust gasket, it may be worth considering a 6.7 Cummins exhaust manifold upgrade too. While you will be spending extra on the part, you will save a lot of money on labor as the manifold must be removed to fit the gasket anyway. You could use this as an opportunity to fit a better part, or just replace a part that may fail in the future and incur further costly labor fees.
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