INSTALLATION
4. Reset IAC valve pintle position after reconnect-
ing negative (–) battery cable.
IMPORTANT: If installing a new IAC valve, besure
to replace it with the correct IAC valve pintle
shape and diameter are designed for the specific
application.
a. Turn ignition key ON for ten seconds.
b. Turn ignition key OFF for ten seconds.
c. Restart engine and check for proper idle op-
eration.
1.
Install new O-ring on IAC valve.
Knock Sensor
a
NOTICE
Refer to “Service Precautions,” in “Repair
Procedures,” BEFORE proceeding.
REMOVAL
c
1. Disconnect electrical connector at knock sensor
located just ahead of starter motor.
b
d
73766
a - Throttle Body
b - Idle Air Control (IAC) Valve
c - O-Ring
d - Screws
a
2.
3.
Install IAC valve in throttle body using screws.
Torque to 20 lb. in. (2 N·m).
Connect electrical connector to IAC valve.
73757
a
a - Knock Sensor
2.
Remove knock sensor from engine block.
b
73754
a - Throttle Body
b - Idle Air Control (IAC) Valve
Index
90-823224--2 796
ELECTRONIC FUEL INJECTION (MULTI-PORT AND THROTTLE BODY) - 5C-175
| Categories | Mercury MerCruiser Manuals |
|---|---|
| Tags | Mercury MerCruiser 454 CID, Mercury MerCruiser 502 CID |
| Model Year | 1993, 1994, 1995, 1996, 1997 |
| Download File |
|
| Document File Type | |
| Copyright | Attribution Non-commercial |
(4 votes, average: 4.5 out of 5)
Marine readers have rated 1993 1997 Mercury-MerCruiser GM V8 454 CID 7.4L and 502 CID 8.2L Marine Engines Service Manual Number 16 4.5 out of 5.0 based on 4 product reviews. Hugely helpful service manual! Perfect. Thank you!
Manuals are all Important for Technician
This book is invaluable if you do your own repairs. Great book.
Could not find a copy until a search brought me here.
Excellent print.
Thank you