HARNESS GP-ENGINE 3921640 - Caterpillar

Removal Procedure
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, PERJ1017, "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.
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Drain the coolant from the cooling system to a level below the coolant temperature sensor into a suitable container for storage or disposal. Refer to Operation and Maintenance Manual, "Cooling System Coolant - Change".
Illustration 1 g03675620
Disconnect the harness assembly (2) and remove coolant temperature sensor (1).
Remove the O-ring seal from the coolant temperature sensor.
If necessary, remove the adapter from the water temperature regulator housing. Remove the O-ring seal from the adapter. Installation Procedure
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 2 g02257027
Install a new O-ring seal on the adapter. Install the adapter in the water temperature regulator housing.
Install a new O-ring seal on coolant temperature sensor (1).
Install coolant temperature sensor (1) and tighten to a torque of 20 5 N m (15 4 lb ft).
Connect the harness assembly (2).
Fill the cooling system. Refer to Operation and Maintenance Manual, "Cooling System Coolant - Change".