C9 Petroleum Engines Caterpillar

Removal Procedure

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NOTICE
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, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat products. Dispose of all fluids according to local regulations and mandates.

1. Drain the coolant into a suitable container for storage or for disposal. Drain the coolant to a level that is below the coolant temperature sensor. Refer to Operation and maintenance Manual, "Cooling System Coolant (ELC) - Change".
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   Illustration 1	g01437341

2. Disconnect harness assembly (1) from coolant temperature sensor (2).

3. Remove coolant temperature sensor (2) from the engine.

Installation Procedure

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Illustration 2	g01437341

Note: Check the O-ring seal for wear or for damage. If necessary, replace the O-ring seal.

1. Install the O-ring seal onto coolant temperature sensor (2).

2. Install coolant temperature sensor (2) into the engine. Tighten coolant temperature sensor (2) to a torque of 20 ± 3 N·m (15 ± 2 lb ft).

3. Connect harness assembly (1) onto coolant temperature sensor (2).

4. Fill the cooling system. Refer to Operation and maintenance Manual, "Cooling System Coolant (ELC) - Change".