Mercury MerCruiser MCM 454 Mag MPI User Manual

MULTI-PORT FUEL INJECTION DISASSEMBLY AND REASSEMBLY SERVICE MANUAL NUMBER 23
Page 5C-16 90-861326--1 MARCH 1999
454 / 502 Mag MPI and 8.2L MPI Fuel Rail and Injectors
NOTICE
Refer to “Precautions” in this section, BEFORE proceeding.
FUEL COOLER-TO-FUEL RAIL LINE (MEFI 3)
There are several differences in fuel cooler to fuel rail lines in MEFI 3 models. Refer to SEC-
TION 5A for complete instructions.
76078
a
b
b
c
d
a
a-Fuel Rail
b-Fuel Line, Cooler-to-Fuel Rail
c-Screw
d-O-Ring
REMOVAL
1. Remove flame arrestor, throttle body, and plenum as outlined in this section.
2. Disconnect electrical connector at each fuel injector.
3. Remove fuel line retainer from fuel rail. Remove inlet fuel line from fuel rail.
75725
a
b
c
d
f
e
a-Fuel Rail
b-Fuel Inlet Line
c-O-Ring
d-Fuel Line Retainer
e-Retainer Screw
f-Fuel Rail Mounting Screws
4. Remove fuel rail mounting screws.
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Index

Mercury MerCruiser MCM 454 Mag MPI Specifications

General

Brand	Mercury
Model	MerCruiser MCM 454 Mag MPI
Category	Engine
Language	English