SERVICE MANUAL NUMBER 23
MULTI-PORT FUEL INJECTION DISASSEMBLY AND REASSEMBLY
5.
When facing front of engine, remove fuel rail as follows:
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.
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 injector from the intake manifold.
Continue sliding fuel injectors from their respective bores working back and forth
toward rear of engine until fuel rail is free.
b
a
c
d
72798
a - Fuel Rail
b - Intake Manifold
c - Front Right Bank Fuel Injector
d - Front Left Bank Fuel Injector
CLEANING AND INSPECTION
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 are present, replace the fuel rail.
INSTALLATION
NOTE: Before installing fuel injectors, lubricate new fuel injector O-rings using a water/soap
solution.
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.
b. Install four right bank fuel injectors into right bank of intake manifold.
Index
90-861326--1
MARCH 1999
Page 5C-17
| Categories | Mercury MerCruiser Manuals |
|---|---|
| Tags | Mercury MerCruiser 454 CID, Mercury MerCruiser 502 CID |
| Model Year | 1998, 1999, 2000, 2001 |
| Download File |
|
| Document File Type | |
| Copyright | Attribution Non-commercial |
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