C6.6 Industrial Engine ECM Mounting Bracket - Remove and Install Caterpillar

Removal Procedure

Start By:

1. Remove the electronic control module. Refer to Disassembly and Assembly, "Electronic Control Module - Remove and Install" for the correct procedure.

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Illustration 1	g02164253

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Illustration 2	g02164254

1. Cut cable straps (2) from wiring harness assembly.

   Note: Note the position of cable straps that attach the wiring harness assembly to the ECM mounting bracket.

2. Remove bolt (3) (not shown) from clip for tube assembly (4).

3. Remove the fuel line from clips on the ECM mounting bracket.

4. Slide locking tab for wiring harness (7) into the unlocked position. Disconnect wiring harness (7) from atmospheric pressure sensor (8).

5. Remove bolts (5) and loosen bolts (6) sufficiently to allow the ECM mounting bracket to be removed. Remove ECM mounting bracket (1) from the cylinder block.

6. If necessary, remove atmospheric pressure sensor (8) from the ECM mounting bracket. Refer to Disassembly and Assembly, "Atmospheric Pressure Sensor - Remove and Install" for the correct procedure.

Installation Procedure

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Illustration 3	g02164254

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Illustration 4	g02164253

1. Ensure that ECM mounting bracket (1) for the electronic control module is clean and free from damage. If the mounting bracket is damaged, replace the bracket.

2. If necessary, install atmospheric pressure sensor (8) to ECM mounting bracket (1). Tighten the atmospheric pressure sensor to a torque of 10 N·m (89 lb in). Refer to Disassembly and Assembly, "Atmospheric Pressure Sensor - Remove and Install" for the correct procedure.

3. Position mounting bracket (1) onto bolts (6).

4. Install the remaining bolts (5) to mounting bracket (1).

5. Tighten bolts (5) and bolts (6) to a torque of 22 N·m (195 lb in).

6. Connect harness assembly (7) to atmospheric pressure sensor (8). Slide the locking tab into the locked position.

7. Install fuel line to clips onto the ECM mounting bracket.

8. Install bolt (3) (not shown) to clip for tube assembly (4). Tighten the bolt to a torque of 22 N·m (195 lb in).

9. Position the wiring harness assemblies onto the ECM mounting bracket. Install new cable straps to the wiring harness assemblies.

   Note: Ensure that the cable straps meet the OEM specifications.

End By:

1. Install the electronic control module. Refer to Disassembly and Assembly, "Electronic Control Module - Remove and Install" for the correct procedure.