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Thermostat 2.0-liter engine
| Fig. 188. The pump is water-cooled 2.0-liter engine disassembled: 1 - a bolt, 25 Nm; 2 - a pulley; 3 - bolt 10 Nm; 4 - the water pump; 5 - installation and replacement; 6 - thermostat; 7 - O-shaped sealing ring is always substitution; 8 - coupling; 9 - a collar; 10 - a cover of the thermostat; 11 - V-belt pulley
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Thermostat 6 (see. Fig. 188) located in the housing for the water pump cover 10, which is O-shaped sealing ring. Removing the thermostat spend in the following order:
A warning The thermostat can be removed only on the cold engine. |
- Carefully open the expansion tank cap and drain the coolant level at least until the thermostat (about 4 liters of coolant); - Disconnect the hose from the thermostat cover and remove the cover; - Remove the thermostat from the body and remove the O-ring seal from the cover of the thermostat.
Note A faulty thermostat can not be repaired, so in case of failure, it should be replaced. |
Verifying thermostat wire as follows:
| Fig. 192. Verifying thermostat
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- Hang the thermostat shot on a piece of wire and place it in the container filled with cold water with a thermometer (Fig. 192); - Gradually heat the water. Defective thermostat should begin to open at approximately 85 ?� C. At a temperature of 105 ?� C thermostat should be fully open, and his rod shall protrude from the body is not less than 7 mm; - In the event that the thermostat does not satisfy these requirements, it must be replaced. When the thermostat: - Use a new O-ring seal; - Check the hose clamp before to install it again on the hose; - Pour coolant in the cooling system.
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