Last Updated on October 6, 2023 by Matthew Lloyd
Cleaning a throttle body is important to maintaining your vehicle’s engine. However, you don’t always have to remove it to do so. This article will explain how you can clean the throttle body without removing it from the engine bay.
Cleaning A Throttle Body Without Removing It: Instructions
Step One: Gather Materials
Your product should be designed to clean automotive parts, such as throttle bodies. Select a cleaner that is free of harsh chemicals or abrasives. These can damage the delicate components of your engine and lead to costly repairs. Consider wearing gloves if you are particularly sensitive to certain cleaners or chemicals.
Step Two: Gain Access To The Throttle Body
Once you have located the throttle body, remove any covers or shields that may obstruct your view. If necessary, unscrew and detach the air cleaner assembly from the throttle body. Depending on your car model, a coolant hose may also be attached to the base of the throttle body. Remove this as well. You should now have a clear view and access to the throttle body.
Step Three: Move the Throttle To Open Position
Move the throttle to an open position. This needs to be done very carefully and without causing any damage. Locate the screw or nut that holds the throttle in place. Use a wrench or socket set to loosen this nut or screw until your fingers can easily move it. Once loose, pull back on the throttle and hold it in place with one hand while turning the idle speed adjuster screw clockwise with your other hand until it’s all the way closed. Keep a steady grip on the throttle as you turn to prevent any damage from occurring from sudden movements.
Step Four: Use The Throttle Cleaning Product
Begin by spraying the cleaning product into the throttle body. Make sure to direct the spray away from any of the electrical components. Once you have sprayed everything inside, let it sit for about 10 minutes to allow time for the cleaner to do its job correctly. After this time is up, start your car and accelerate a few times to work the cleaner through all of its parts.
Step Five: Clean The Throttle With A Towel
After the cleaning solution has been applied, use a clean and dry towel to wipe away the build-up from the surface of the throttle body. It is essential to be thorough when wiping down the surface, as any remaining dirt or debris can cause problems with airflow through the throttle body. Make sure to get into all the nooks and crannies of the throttle body to remove all residue. You can use a long brush or cotton swab to help loosen and remove stubborn dirt.
Step Six: Reinstall The Air Intake Rubber
Once the throttle body is cleaned, it’s time to reinstall the air intake rubber. Ensure that the rubber’s gasket is in good condition. If needed, replace it with a new one. After that, place the air intake rubber back into its original position. Make sure all clips are properly secured before proceeding to step seven. To ensure a secure fit, use silicone sealant on each clip to protect against potential vibrations or leaks. Connect any other disconnected components during this process, such as vacuum lines or hoses, and tighten them securely by hand using pliers or a socket wrench set if necessary.
What Are The Signs Of A Dirty Throttle Body?
Sluggish Acceleration: This is caused by the buildup of debris and oil that can restrict airflow to the engine, resulting in poor performance.
Decreased Fuel Economy: Dirty Throttle body decreases fuel economy, as the engine needs to work harder to process fuel efficiently.
Check Engine Light: Your car may display a Check Engine Light (CEL) indicating an issue with the throttle body or other air intake components.
Performance Issues: Performance issues can arise from a dirty throttle body, as contaminants and grime build up over time.
Lack Of Speed: The lack of speed can be a common issue in vehicles, especially with age. To help maintain your car’s performance, cleaning the throttle body without removing it is important.
Does The Fuel Injector Cleaner Clean The Throttle Body?
Fuel injector cleaner is a popular solution for cleaning throttle bodies. This method is particularly useful when the throttle body is difficult to access or located deep within the engine compartment and can save time and money. Fuel injector cleaners are typically composed of detergents and lubricants that help break down any debris or sludge accumulating on the throttle body’s walls over time.
What Is the Best Throttle Body Cleaner?
The CRC Throttle Body and Air-Intake Cleaner come in a convenient aerosol spray can that makes it easy to apply directly to the throttle body or air-intake system. Its precise nozzle ensures you can direct the spray exactly where you need it without any mess or fuss. Plus, this formula is safe for use on all types of engines, including fuel-injected systems. Another great feature of CRC Throttle Body and Air-Intake Cleaner is its fast-drying formula.
Can I Use Carb Cleaner On Throttle Body?
Carb cleaner can be used on a throttle body without removing it, but it should only be done as a last resort.
How Much Does A Throttle Body Cleaning Cost?
The estimated cost of getting a professional to clean your throttle body without removing it should range between $200-$300, depending on where you live and who you hire.
Conclusion:
Cleaning your throttle body without removing it is a very simple process. All you need to do is gather the necessary items and follow the steps outlined in this guide. It should take an hour or two to complete the job properly. Once finished, check on your work periodically and watch for any potential issues from having a dirty throttle body. Doing this will help ensure your car runs safely and efficiently throughout its life.
