volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Thermostat, Engine Cooling|Specifications|Page 2422 > < Thermostat, Engine Cooling|Specifications|Page 2420
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23. To Y-branch of heat exchanger/coolant feed pump Coolant hoses, connection diagram

Thermostat Housing, Disassembling and Assembling 

Note:
Routing of hoses at the coolant controller housing.

Exploded View

1. Plug
2. O-Ring

-

Always replace

3. Gasket

-

Always replace

4. Retaining clamp

-

Check for tight fit

5. Thermostat housing
6. Bolts. Torque Specification: 10 Nm (7 ft.lbs.) 
7. Thermostat

Install position: large plate downward
Checking: heat controller in water bath
Opening starts at approx. 80°C  
Opening ends at approx. 105°C  
Travel at least 7 mm  

8. Connector
9. Bolts. Torque Specification: 10 Nm (7 ft. lbs.)  

Thermostat, Engine Cooling|Specifications|Page 2422 > < Thermostat, Engine Cooling|Specifications|Page 2420