Intake Manifold; Intake Manifold Removal - Mercury 25 EFI Service Manual

6. Connect the fuel injector harness connectors to the fuel injectors.
a
Description
Fuel rail bolt
7. Close the clamp around the high pressure fuel line.
8. Install the crankcase ventilation hose to the cylinder head cover.
9. Secure the crankcase ventilation hose with a spring clamp.
b
a

Intake Manifold

Intake Manifold Removal

1. Remove the engine harness. Refer to Section 2B ‑ Engine Wire Harness.
2. Remove the voltage regulator. Refer to Section 2B ‑ Battery Charging System.
3. Remove the ECM. Refer to Section 2A ‑ Ignition Components.
4. Remove the throttle body. Refer to Section 3C ‑ Throttle Body.
5. Remove the IAC. Refer to Section 3C ‑ Idle Air Control (IAC).
6.
Remove the fuel rail. Refer to Section 3C ‑ Fuel Rail.
7. Remove the six bolts securing the intake manifold to the cylinder block and cylinder head.
90-8M0105568 eng MARCH 2016
a - Fuel injector harness connector (3)
b - Fuel rail bolt (3)
c - Clamp
c
b
11635
d
c
11634
© 2016 Mercury Marine
Service Procedures
Nm lb. in.
6 53
a - Fuel pump
b - Crankcase ventilation hose
c - Fuel hose clamp
d - Fuel rail
lb. ft.
Page 3C-45