Exhaust Manifold LH: Installation

WARNING: This page is about a different car, the 2020 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.

Install new studs and new gasket.
Torque: 18 lb.ft (25 Nm)

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Install the exhaust manifold.
- Install the new nuts.
  Torque:| Stage 1: 18 lb.ft (24 Nm) | Stage 2: 24 lb.ft (32 Nm)
Fig 1: LH Exhaust Manifold Tightening Sequence
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NOTE: Some replacement exhaust manifolds do not come with studs.

If necessary, install new studs.

Torque: 30 lb.ft (40 Nm)

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Position the LH catalytic converter onto the exhaust manifold and loosely install the new nuts.

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Tighten the Torca® clamp.
Torque: 41 lb.ft (55 Nm)

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Tighten the nuts.
Torque: Outer catalytic converter-to-exhaust manifold nut : 30 lb.ft (40 Nm) Inner catalytic converter-to-exhaust manifold nut : 30 lb.ft (40 Nm)

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Install the heat shield and bolts.
Torque: 106 lb.in (12 Nm)

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NOTE: If equipped.

Install the skid plate and bolts.

Torque: 30 lb.ft (40 Nm)

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NOTE: If equipped.

Install the underbody shield and fasteners.

Torque: 30 lb.ft (40 Nm)

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NOTE: If equipped.

Install the underbody shield and the bolts.

Torque: 71 lb.in (8 Nm)

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Install the following items:
1. LH fender splash shield. Refer to: Fender Splash Shield .
2. LH wheel and tire. Refer to: Wheel and Tire .
3. NOTE: It is not necessary to separate the air cleaner outlet pipe and the air cleaner, the y can be installed as an assembly.
  
  Refer to: Air Cleaner .
4. Refer to: Air Cleaner Outlet Pipe .
Connect the battery ground cable. Refer to: BATTERY DISCONNECT AND CONNECT
Start the engine and check for exhaust leaks.