PLUG 2710924 - Caterpillar

Removal Procedure
Start By:
Remove the belt tensioner. Refer to Disassembly and Assembly, "Belt Tensioner - Remove and Install".Note: Some engines may be equipped with a special mounting group for the fan. The mounting group may be one-piece or two-piece. It may be necessary to remove the mounting group for water pump maintenance. Refer to Disassembly and Assembly, "Fan Mounting Group - 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 g00614170
Remove water pump V-belt (1) .
Loosen hose clamps (4) and remove hose (3) .
Disconnect hose assembly (2) from the water pump elbow.
Illustration 2 g00614173
Remove four bolts (6) that hold water pump (5) to the front of the engine. Remove water pump (5) .
Remove the O-ring seals from water pump (5), if necessary.