NUT 2717843 - Caterpillar

Removal Procedure
Start By:
Remove the alternator. Refer to Disassembly and Assembly, "Alternator - Remove and Install".
Personal injury can result from hot coolant, steam and alkali.At operating temperature, engine coolant is hot and under pressure. The radiator and all lines to heaters or the engine contain hot coolant or steam. Any contact can cause severe burns.Remove cooling system pressure cap slowly to relieve pressure only when engine is stopped and cooling system pressure cap is cool enough to touch with your bare hand.Do not attempt to tighten hose connections when the coolant is hot, the hose can come off causing burns.Cooling System Coolant Additive contains alkali. Avoid contact with skin and eyes.
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, "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.
Illustration 1 g00991992
Remove bolts (1). Remove support bracket (2) .
Loosen the hose clamps and remove the inlet hose from the water pump.
Loosen the hose clamps and remove the outlet hose from the water pump.
Disconnect the hose assemblies from the top of the water pump.
Remove bolts (3) that hold water pump (4) to the front of the engine. Remove the water pump.