5.
Remove TP with O-ring and IAC valve with O-ring
from throttle body.
INSTALLATION
NOTE: To prevent difficult removal of fasteners and
damage to fastener heads, do not use a higher
strength thread locking compound than recom-
mended.
b
7.
Connect TP and IAC electrical connectors, then
install throttle body with new gasket using four
throttle body mounting studs.
b
a
c
a
d
72794
72793
a - Throttle Position (TP) Sensor
b - Idle Air Control (IAC) valve
a - Throttle Body
b - Throttle Position (TP) Sensor
c - Idle Air Control (IAC) Valve
d - Sight Tube
CLEANING AND INSPECTION
IMPORTANT: DO NOT use cleaners containing
methyl ethyl ketone. It is not necessary for clean-
ing throttle bore and valve deposits.
8.
Apply Loctite 242 to threads of studs. Using a stud
driver, torque studs to 165 lb. in. (18.6 N·m).
IMPORTANT: DO NOT allow the TP and IAC valve
to come into contact with solvent or cleaner.
a
IMPORTANT: Use care when removing gasket
material from plenum and throttle body. Failure
to do so could result in damage to the plenum
and throttle body.
b
1.
2.
3.
Carefully remove all gasket material from plenum
and throttle body.
72792
Thoroughly clean all parts of throttle body. Make
certain that all passages are free of dirt and burrs.
a - Throttle Body
b - Throttle Body Mounting Studs
Inspect mating surfaces for damage that could
affect gasket sealing.
4.
5.
Inspect throttle body for cracks in casting.
Inspect throttle plates, linkage, return springs,
etc., for damage, wear and foreign material.
6.
Check plenum for loose parts and foreign materi-
al.
Index
90-823224--2 796
ELECTRONIC FUEL INJECTION (MULTI-PORT AND THROTTLE BODY) - 5C-161
| 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.
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