Upper cylinder clean
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Hyundai HD Upper cylinder clean
Does my Hyundai HD need an upper cylinder clean?
A Hyundai HD upper cylinder/engine clean removes carbon deposits and other contaminants from the air intake and combustion chamber, without having to pull the engine apart to do so. An upper cylinder clean can improve a Hyundai HD’s performance, so it runs at it’s best.
Carbon build-up, grime and contaminants are part of a Hyundai HD engine. If left to keep building up it can eventually lead to drivability issues and the engine will run rough and become less reliable. Over time this can lead to engine damage, if the Hyundai HD continues to misfire.
There are various ways to clean a Hyundai HD’s upper cylinders by spraying upper cylinder cleaning into the throttle body, attaching a line to a vacuum hose to the intake manifold and/or spraying into each cylinder via the spark plug holes.
A professional automotive mechanic can carry out a Hyundai HD upper cylinder clean. They have the tools, knowledge and experience to know what cleaner is best for your Hyundai HD and the best method to get the best results.
