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

SUPPLEMENT TO SERVICE MANUAL NUMBER 24
FUEL INJECTION DISASSEMBLY AND REASSEMBLY
Idle Air Control (IAC) Valve
NOTICE
Refer to “Service Precautions,” in front of this section BEFORE proceeding.
REMOVAL
1.
Remove the flame arrestor, throttle cable and throttle body.
Remove the IAC valve from the throttle body.
2.
b
a
c
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.
1.
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.
2.
Inspect the entire assembly for any obvious physical damage.
90-861327000
JULY 2000
Page 5E-13
Product Specification
CategoriesMercury MerCruiser Manuals
Tags,
Model Year1998, 1999, 2000, 2001
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- 895 pages
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CopyrightAttribution 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

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