C3.3 Industrial Engine Caterpillar

Removal Procedure

Start By:

1. Remove the turbocharger. Refer to Disassembly and Assembly, "Exhaust Elbow - Remove and Install".

Illustration 1	g01379844
Typical example

Illustration 2	g01379542
Sequence for loosening the exhaust manifold

1. Loosen bolts (2) in reverse numerical order to the sequence that is shown in Illustration 2.

   Note: This will help prevent distortion of the exhaust manifold.

2. Remove bolts (2).

3. Remove exhaust manifold (4).

4. Remove exhaust manifold gasket (1).

5. If necessary, remove studs (3) from exhaust manifold (4).

Installation Procedure

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Illustration 3	g01379844
Typical example

1. Ensure that the exhaust manifold is clean and free from damage. Clean the joint face of the cylinder head.

2. If necessary, install studs (3) to exhaust manifold (4). Tighten the studs to a torque of 18 N·m (13 lb ft).
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   Illustration 4	g01379898
   Tightening sequence for the exhaust manifold

3. Install Tooling (A) to the cylinder head in Positions (X). Refer to Illustration 4.

4. Position a new exhaust manifold gasket (1) onto Tooling (A).

   Note: Ensure that the exhaust manifold gasket is correctly oriented.

5. Align exhaust manifold (4) with Tooling (A). Install the exhaust manifold to the cylinder head.

6. Loosely install new bolts (2).

7. Remove Tooling (A). Loosely install the remaining bolts (2).

8. Tighten bolts (2) to a torque of 40 N·m (30 lb ft) in the sequence that is shown in Illustration 4.

End By:

1. Install the turbocharger. Refer to Disassembly and Assembly, "Exhaust Elbow - Remove and Installl".