Engine Control Module - Remove and Install
Removal Procedure
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| NOTICE |
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Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. |
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| NOTICE |
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Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids. Refer to Special Publication, NENG2500, "Caterpillar Tools and Shop Products Guide" for tools and supplies suitable to collect and contain fluids on Caterpillar products. Dispose of all fluids according to local regulations and mandates. |
- Disconnect hose (2) and hose (4) from the Engine Control Module ECM.
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| Illustration 1 | g00522333 |
- Plug all openings immediately.
- Loosen allen head screw (3) until engine wiring harness (1) can be disconnected.
- Disconnect engine wiring harness (1) .
- Loosen allen head screw (5) until machine wiring harness (6) can be disconnected.
- Disconnect machine wiring harness (6) .
- Remove the following items: four bolts (8), four washers (9), eight rubber mounts (11), strap (7) and four spacers.
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| Illustration 2 | g00522336 |
- Remove ECM (10) .
Installation Procedure
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Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. |
- Position ECM (10) on the cylinder block.
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| Illustration 3 | g00522336 |
- Install the following items: four spacers, eight rubber mounts (11), four washers (9), strap (7) and four bolts (8) .
- Connect engine wiring harness (1) and tighten allen head screw (3) to the following torque 2.25 ± 0.25 N·m (20 ± 2 lb in).
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| Illustration 4 | g00522333 |
- Connect machine wiring harness (6) and tighten allen head screw (5) .
- Connect hose (2) and hose (4) to ECM (10) .
Note: Refer to the Electronic Troubleshooting Manual, RENR1283 for more information about the disassembly and assembly of the ECM.
Caterpillar Information System:
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