12. Loosen the screws securing the IAC valve and remove the valve (see illustration).
13.12. You will need a Phillips screwdriver to remove the screws holding the IAC (indicated by arrows)
13. Remove the IAC valve and replace the rubber o-ring.
14. Clean the sealing surface of the throttle body and the bore of the idle air control valve body to ensure proper sealing.
Attention! Do not immerse the IAC valve, which is an electrical appliance, into a solvent or cleaning bath; otherwise it may be damaged.
15. Before installing the IAC valve, check the location of the camshaft. If the axle is extended too far, the block may be damaged.
16. Measure the distance between the end of the axle and the gasket mounting surface.
17. If this distance is greater than 1 1/8 inches, reduce it by pressing hard on the axle with your hand to lower it.
18. Install a new o-ring on the IAC valve block. Lubricate the ring with engine oil.
19. Install the IAC valve on the idle air control unit and tighten the screws.
20. Connect the IAC valve electrical connector.
Note. After assembly, no IAC valve adjustments are made. "Reset" The IAC valve is controlled by the ECM after the engine is started.