Intake Manifold Assembly: Assembly

WARNING: This page is about a different car, the 2019 Ford F-550 Super Duty and 2019 Ford F-450 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: If the engine is repaired or replaced because of upper engine failure, typically including valve or piston damage, check the intake manifold for metal debris. If metal debris is found, install a new intake manifold. Failure to follow these instructions can result in engine damage.

NOTE: Do not reuse the O-ring seals. Lubricate the new O-ring seals with clean engine oil prior to installation.

Lubricate with clean engine oil and install the new O-ring seals on each of the fuel injectors.

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Install the fuel rail onto the fuel injectors. Engage the fuel injector-to-fuel rail clips to the fuel rails.

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- Install the fuel rail and fuel injector assembly onto the intake manifold.
- Install the fuel rail bolts.
  Torque: 89 lb.in (10 Nm)
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Install a new throttle body spacer gasket.

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1. Install the throttle body spacer and the upper throttle body spacer bolts and tighten in 2 stages.
  Torque: Stage 1: 62 lb.in (7 Nm) | Stage 2: 90 deg.
2. Install the lower throttle body spacer bolts and tighten in 2 stages.
  Torque: Stage 1: 89 lb.in (10 Nm) | Stage 2: 90 deg.
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Install a new throttle body gasket.

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Install the throttle body and the throttle body bolts and tighten in 2 stages.
Torque: Stage 1: 80 lb.in (9 Nm) | Stage 2: 90 deg.

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