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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. |
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Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. |
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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.
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Illustration 1 g00991841 - Remove tube assembly (1) from the water pump elbow to the exhaust manifold.
- Remove bolt (2) from the clip that holds the breather tube to the water pump.
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Illustration 2 g00991846 - Loosen hose clamp (3) and slide the clamp away from the water pump elbow.
- Disconnect the hose from the radiator at the water pump.
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Illustration 3 g00991851 - Remove bolts (4) that hold the water pump elbow to the cylinder head.
- Remove two bolts (5) and washers that hold water pump (6) to the front housing. Remove the water pump and the elbow as a unit.
