Replacement is the alone preference after cleaning
Whether you accept a One thousand nine hundred ninety nine Nissan Maxima which is idling erratically, then you itch to tend to your unused air state valve (IACV). Whether cleaning the valve with carburettor cleaner does not assignment, then a replacement is the single send. Thankfully, replacing an inoperative air control valve on a One thousand nine hundred ninety nine Maxima is a bare straightforward afafir and one which requires lone a unusual tools--and not a piece of your age.
Instructions
1. Secure the vehivle on a Apartment lodgings collection of sidewalk with the parking brake applied. Up thrust the hood. Because you Testament be working in and on all sides of the engine bay, it is critical to remove the negative battery leadership to avoid electric shock.
2. Fix the the clips holding the lid of the air-box down. Unclip these and remove the concertinaed rubber tube that connects the air-box to the throttle body. You will need to undo the clips with a screwdriver.
3. Remove the four bolts holding the throttle body to the air intake, using a socket wrench. You can then remove the electrical connector plugs from the throttle body and the IACV. Just push the side of the connectors together and slide it away from the plug.
4. Examine the screws. Once the throttle body is removed from the air intake, you will be able to see the IACV properly. There are five screws that hold the IACV to the throttle body. These screws can be easily removed using the socket wrench. Start the engine and check the condition of the idle. Select a gear with the clutch depressed and the revs should rise Two hundred rpm.
Attach the new IACV in its place and refit the rest of the parts in the reverse order you removed them.5. Remember to refit the electrical connectors and the negative battery lead to the battery.
