SENSOR GP-ENGINE 2311978 - Caterpillar

Removal Procedure
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
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.
Drain the coolant. Refer to Operation and Maintenance Manual, "Coolant (NGEC) - Change" for the proper draining and filling procedures.
Illustration 1 g01127935
Disconnect hose assembly (1).
Disconnect adapter (2) and the gasket from water pump (3).
Disconnect tube assembly (6) from adapter (5).
Remove bolts (4) in order to remove adapter (5) and the O-ring seal from water pump (3).
Remove bolts (7) in order to remove guard assembly (8) from the engine.
Illustration 2 g01127942
Remove bolts (9) in order to remove water pump (3) from the engine. Use two people in order to remove water pump (3) from the engine. The weight of water pump (3) is approximately 34 kg (75 lb). Installation Procedure
Install water pump (3) in the reverse order of removal.