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Thermostat
| Fig. 139. The apparatus of coolant pump (2.9 liter engine) 1 - lock the pump; 2 - a bolt, M6x12; 3 - pump pulley; 4 - the hub of the pulley; 5 - the bearing; 6 - a bolt of fastening the bearing housing to the pump housing; 7 - venting tube; 8 - the pump housing; 9 - installation of the pump housing; 10 - the sealing lip of the pump; 11 - pump impeller; 12 - pump housing with internal ventilation; 13 - a bolt of fastening of the pump to the engine block; 14 - pad between the pump and the cylinder block; 15 - mounting sleeve; 16 - Rubber tube; 17 - a sealing ring; 18 - a stopper; 19 - the thermostat valve opening temperature 85 ?� C; 20 - a bolt of fastening of a cover to the pump casing; 21 - union
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On the diesel engine thermostat housing is fixed on the fitting from the lower side of coolant pump, as shown in Fig. 139. Removal of the thermostat is carried out as follows: - Drain the coolant as described above; - Unscrew the hose clip of the cooling system; - Unscrew the two screws; - Remove the hose from the thermostat housing to turn on the pump and remove it; - Remove the thermostat from the case. In this pay attention to its position, which shall be stored in the subsequent assembly. The assembly is carried out in reverse order. The gasket is required to be replaced.
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