Volkswagen Workshop Service and Repair Manuals

Temperature Sensor (Gauge): Locations

Thermostat Housing, Assembly

9  - Temperature sender switch (G2/F87)

-

yellow

-

4-point

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for coolant run-on

-

checking,  See: After-Run Coolant Pump/Testing and Inspection

-

switch temperatures

on: 101-107°C (214-225°F) 
off: 94-100°C (201-212°F)

10  - Sender for coolant temperature (G62)

-

blue

-

2-point

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for motronic