After that first initial cleaning, you shouldn't need to for another 40,, miles. There are really three ways to clean your intake manifold and your intake valves.
While walnut blasting is the most efficient, these other ways do work if you don't have access to the tools. These three methods are:. If you're wondering if blasting walnut shells against your intake valves or scraping a tool pick again them is safe, you should know that it completely is. These are the most effective and safest way to remove carbon deposits, and this is what the dealer does when you bring your car in for routine cleaning. Removing components to get to your intake manifold will be different, but the process of removing carbon deposits will essentially be the same.
While this guide follows the two models above, cleaning intake valves of carbon applies to all direct-injected cars, and the process is basically the same. The Motorsport tool used in this guide works on this list of vehicles:. The first step to cleaning your intake valves is to gain access to them by removing the intake manifold. Since removing the intake manifold is a fairly involved multi-step process, use this guide as a reference:.
The next major parts that need to be removed are the coil packs. To do so, start by removing the nuts and studs using a 10mm socket and either a thin 10mm wrench or needle-nose pliers. Once the ground wires are removed, you can use your 10mm socket to remove the 10mm studs that fasten the coil pack down. Once those are completely removed, you can use your tool pick to disconnect the wiring from the coil packs themselves. Now you can fully remove the coil packs from the spark plug wells.
This is done most easily when the engine is up to operating temperature. Sometimes these can be stubborn, but you should be able to remove them just by pulling up on them and wiggling back and forth.
You want to remove the spark plugs for a couple different reasons. First off, by removing them, it is easier to turn the engine over. You need to turn the engine over so that the valves are at top-dead-center TDC when cleaning each of the valves.
This ensures that the valves are closed and prevent any debris from falling inside the combustion chamber. The second reason the spark plugs need to come out is so that you can tell when the engine is at TDC. That will be explained in the next step.
As mentioned in the last step, you want to make sure that the valves to be cleaned are closed. This just prevents carbon deposits and debris from falling inside the combustion chambers. To do so, use a long-reach screwdriver inserted into the spark plug hole.
Turn the engine over by hand using a 24mm multi-point socket until the screwdriver moves upward until it doesn't anymore. This will indicate that the engine is at TDC for those valves. You should be able to visually inspect the valves and confirm that they are closed at this point. At this point, you're ready to begin cleaning your intake valves.
When you complete one pair of valves, you will want to repeat this step for each cylinder. Have you realized that this is important yet? Just take a quick peek inside your intake ports and make sure that the valves are completely closed. This kit saves you money and can be used as many times as you need to ensure perfectly clean intake ports for optimum airflow and performance.
We recommend the use of a remote starter switch. Please note: Intake manifold gasket set and Throttle body gasket, sold separately, must be replaced when removing intake manifold. All warranties, product application, fitment, and performance are the responsibility of Turner Motorsport. For additional information see the terms of use.
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