4.
5.
Remove fuel rail mounting screws.
INSTALLATION
When facing front of engine, remove fuel rail as
follows:
NOTE: Before installing fuel injectors, lubricate new
fuel injector O-rings using a water/soap solution.
NOTE: The left bank fuel injectors are to remain fully
seated in the fuel rail throughout removal, while the
right bank fuel injectors are to remain fully seated in
the intake manifold throughout removal.
1. When standing at front of engine, install fuel rail
as follows:
a. Install four left bank fuel injectors into left
bank of fuel rail.
a. Working from front of engine to rear, slide the
first front right bank fuel injector from the fuel
rail. Next, slide the first front left bank fuel in-
jector from the intake manifold. Continue slid-
ing fuel injectors from their respective bores
working back and forth toward rear of engine
until fuel rail is free.
b. Install four right bank fuel injectors into right
bank of intake manifold.
c. Working from rear of engine to front, insert
the first rear left bank fuel injector into the in-
take manifold. Next, insert the first rear right
bank fuel injector into the fuel rail. Continue
inserting fuel injectors into their respective
bores working back and forth toward front of
engine until all fuel injectors are in place.
b
a
b
a
c
d
72798
a - Fuel Rail
b - Intake Manifold
c - Front Right Bank Fuel Injector
d - Front Left Bank Fuel Injector
d
c
72798
a - Fuel Rail
b - Intake Manifold
CLEANING AND INSPECTION
c - Rear Right Bank Fuel Injector
d - Rear Left Bank Fuel Injector
Inspect fuel injector seating area in fuel rail for pitting,
nicks, burrs or irregularities, use a magnifying glass
if necessary. If any of the above is present, replace
the fuel rail.
2.
Install fuel rail mounting bolts and torque to 105
lb. in. (12 N·m).
Index
90-823224--2 796
ELECTRONIC FUEL INJECTION (MULTI-PORT AND THROTTLE BODY) - 5C-167
| 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.
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