Mercury MerCruiser Engines Service Manual Number 24 GM V-8 305 CID 350 CID

FUEL INJECTION DISASSEMBLY AND REASSSEMBLY

SERVICE MANUAL NUMBER 24

Idle Air Control (IAC) Valve

NOTICE

Refer to “Service Precautions,” in front of this section BEFORE proceeding.

REMOVAL

Remove the flame arrestor, throttle cable and throttle body.

Remove the IAC valve from the throttle body.

75657

a - Screw (2)

b - Idle Air Control (IAC) Valve

c - Throttle Body

CLEANING AND INSPECTION

IMPORTANT: Do not push or pull on the IAC valve pintle. Force exerted on the pintle

might damage the worm drive. DO NOT use a cleaner that contains the extremely

strong solvent methyl ethyl ketone.

Remove and discard sealing O-ring from IAC valve. Clean sealing surfaces, pintle valve

seat, and air passage with a carburetor cleaner to remove carbon deposits, being care-

ful not to push or pull on the IAC valve pintle.

NOTE: Shiny spots on the pintle, or seat, are normal and do not indicate misalignment or

a bent pintle shaft.

Inspect the entire assembly for any obvious physical damage.

Page 5E-16

90-861327--1 OCTOBER 1999

Product Specification

Categories	Mercury MerCruiser Manuals
Tags	Mercury MerCruiser 305 CID, Mercury MerCruiser 350 CID
Model Year	1998, 1999, 2000, 2001
Download File	Please Enter the Security Characters Shown Below. Letters are Case Sensitive. Your download link will appear upon completing this step. - 895 pages
Document File Type	PDF
Copyright	Attribution Non-commercial

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Mercury MerCruiser Engines Service Manual Number 24 GM V-8 305 CID 350 CID SKU UPC Model

Fernando Woll on Dec 09, 2014. Boat Engine

Great performance engine.
Class 1