Mercury MerCruiser MCM 454 Mag MPI Service Manual page 235

SERVICE MANUAL NUMBER 23
5. Follow step "a" for 454 Mag / 502 Mag / 8.2L and step "b" for 7.4L MPI engines.
6. Connect all electrical leads.
7. Connect hoses to thermostat housing.
8. Install fuel line into fuel rail.
9. Connect crankcase ventilation hoses to rocker arm covers. Reconnect throttle cable.
10. Install distributor. Position rotor and housing to align with marks made during removal,
11. Install other ignition components and reconnect wires.
12. Connect any other items which were disconnected from manifold during removal.
13. Start engine and adjust ignition timing. Check hose connections, gaskets and seals for
14. Inspect fuel line connections for fuel leaks.
Index
90-861326--1 MARCH 1999
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a. Carefully install manifold assembly. Torque in sequence to 35 lb-ft (48 Nm).
10
8
9
6
7
Intake Manifold Torque Sequence For 454 Mag / 502 Mag / 8.2L MPI Engines
b. Carefully install manifold assembly. Torque in sequence to 30 lb-ft (40 Nm).
8
12
11
7
Intake Manifold Torque Sequence For 7.4L MPI Engines
then install distributor cap.
leaks.
11
3
4
2
1
5
4
2
3
1
454 CID (7.4L) / 502 CID (8.2L)
13
12
14
15
16
5
9
6
10
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