Everyone should pay attention to the following points:
(1) The true cause of the damage to the pump should be known. Before replacing the pump, determine if there are any problems with the radiator fan, thermostat, and antifreeze.
I hope everyone has to help.
(2) Pumps with similar appearance but only for different types of engines are likely to appear. Therefore, the new pump should be compared with the removed old pump before installing the pump, or the part number of the pump and the model of the engine should be checked for confirmation. Whether the selected pump is suitable for the model being repaired.
(3) When installing the pump, the coolant seal should be wetted with the coolant. If you need to use a sealant, be careful not to apply too much sealant (Figure 7). Do not apply grease for easy installation. This will corrode the seal and cause leakage of coolant.
(4) Do not use the method of tapping the pump shaft to force the water pump. Check the actual cause of the pump installation difficulty. If the scale in the water channel of the cylinder is too large and the installation of the pump is difficult, select the wire brush or fine sandpaper to clean the installation position according to the scale condition. When tightening the pump mounting bolts, tighten the bolts in the diagonal direction according to the specified torque. Overtightening can easily break the bolts or cause damage to the gasket.
(5) It should be emphasized that for the transmission tape that needs to adjust the tightness, it must be operated strictly according to the adjustment specification. If the pump is damaged within a very short time after the replacement of the new transfer tape, after removing the cause of the pump itself, the tightness of the transfer tape should be checked, and it should be checked whether the transfer tape is always working in the same plane.
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