How to Clean an Intake Manifold Runner Control

An intake manifold runner control in a car is an important part of the engine that readily supplies the cylinders with air or fuel. Over time, this particular part of your car gets clogged up. Once this happens, you end up with a malfunctioning car. This is the reason why it is very important to clean the intake manifold runner control if you want your car to perform at its best for a long time. Cleaning the intake manifold runner control of your car does not require a lot of automotive skills, but it pays to know the basics of your car engine. Here are tips on how to clean your car’s manifold runner.

Tools and Materials

  • Flathead screwdriver
  • Sockets (10mm, 12mm 14mm)
  • Ratchet
  • Torque wrench
  • Lubricant
  • Throttle body cleaner
  • Towel or rag
  • Q-tips or pipe brushes
  • Nylon brush
  • Pliers
  • Car manual

Step 1 - Remove the Intake Manifold Runner Control

Before you remove the manifold runner cover, unplug the car battery to make sure that you do not get electrocuted while you are working with the engine. Now most cars have different locations for the manifold runner, so it is important that you refer to the car manual. Once you have located it, use a flathead screwdriver to pry open the top half of the manifold runner. To completely reveal the interior of the intake manifold runner control, make sure that you remove the 10mm bolt using a torque wrench.

Step 2 - Remove the Tubing that Connects the Manifold Runner to the Car Engine

Remove the air intake tubing that is connected to the manifold runner by pulling it out gently. There are other tubes that are connected to the manifold runner; remove them as well. Take a mental note which tubes go to what because you will be reinstalling everything after you are done cleaning the manifold runner control.

Step 3 - Remove the Body of the Manifold Runner Control

Once the intake manifold runner control is free from any attachments, carefully remove it by prying loose the top of the manifold first. You need to do this with care to avoid damaging the metal gasket that is sitting on the bottom of the manifold.

Step 4 - Clean the Manifold Runner Using a Throttle Body Cleaner

Apply an ample amount of the throttle body cleaner to a rag and rub the manifold control runner gently with the solution. Use a nylon brush to effectively remove the stubborn dirt that is attached to every nook and cranny on the manifold runner control. Use the Q-tips or pipe brush to clean the tiny holes found on the manifold runner. Once everything is clean, apply lubricant to its surface.

Step 5 - Reinstall Everything

To reinstall everything, trace your steps in reverse manner. Make sure that you secure the intake manifold runner control by installing the bolt properly before you plug the car battery back in.