Mercury MerCruiser MCM 454 Mag MPI Service Manual page 516

SERVICE MANUAL NUMBER 23
INSTALLATION
1. Install one gasket onto each of the four intake manifold trumpets.
2. Rest plenum on intake manifold as shown. Connect drain line at plenum. Lower plenum
3. Connect vacuum lines.
4. Connect IAT and MAP sensor electrical connectors.
5. Install throttle body and flame arrestor as outlined previously.
Index
90-861326--1 MARCH 1999
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evenly onto intake manifold and install twelve plenum mounting fasteners. Torque
fasteners to 150 lb-in. (17 Nm).
a
a - Plenum
b - Intake Manifold
c - Drain Line
a - Vacuum Lines
b - Fuel Pressure Damper
c - Vacuum Line to Fuel Pressure Regulator (On Fuel Cooler)
a - Intake Air Temperature (IAT) Sensor
b - Manifold Absolute Pressure (MAP) Sensor
MULTI-PORT FUEL INJECTION DISASSEMBLY AND REASSEMBLY
c
b
b
a
b
72797
c
75724
a
72795
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