Coolant Temperature Switch - Remove and Install
Removal Procedure
Coolant Temperature Switch
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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. |
- Drain the coolant from the cooling system into a suitable container for storage or disposal. If the engine uses Diesel Engine Antifreeze/Coolant (DEAC), refer to Operation and Maintenance Manual, "Cooling System Coolant (DEAC) - Change". If the engine uses Extended Life Coolant (ELC), refer to Operation and Maintenance Manual, "Cooling System Coolant (ELC) - Change".
- Disconnect electrical connections (2) from coolant temperature switch (1) .
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| Illustration 1 | g00795941 |
- Remove coolant temperature switch (1) from the cylinder head.
Installation Procedure
Coolant Temperature Switch
- Install coolant temperature switch (1) into the cylinder head.
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| Illustration 2 | g00795941 |
- Connect electrical connections (2) to coolant temperature switch (1) .
- Fill the cooling system to the proper level. If the engine uses Diesel Engine Antifreeze/Coolant (DEAC), refer to Operation and Maintenance Manual, "Cooling System Coolant (DEAC) - Change". If the engine uses Extended Life Coolant (ELC), refer to Operation and Maintenance Manual, "Cooling System Coolant (ELC) - Change".
Removal Procedure
Coolant Temperature Sender
- Disconnect electrical connections (3) from coolant temperature sender (4) .
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| Illustration 3 | g00795978 |
3054 and 3054B Engines | |
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| Illustration 4 | g00795934 |
3056 Engines | |
- Remove coolant temperature sender (4) from the water outlet manifold.
Installation Procedure
Coolant Temperature Sender
- Install coolant temperature sender (4) into the water outlet manifold.
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| Illustration 5 | g00795978 |
3054 and 3054B Engines | |
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| Illustration 6 | g00795934 |
3056 Engines | |
- Connect electrical connections (3) to coolant temperature sender (4) .
- Fill the cooling system to the proper level. If the engine uses Diesel Engine Antifreeze/Coolant (DEAC), refer to Operation and Maintenance Manual, "Cooling System Coolant (DEAC) - Change". If the engine uses Extended Life Coolant (ELC), refer to Operation and Maintenance Manual, "Cooling System Coolant (ELC) - Change".
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