volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Multi-Function Thermal Sensor / Switch > < Heater Core Temperature Sensor / Switch|Service and Repair
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Coolant hose

9

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Sliding door footwell insert

10

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Air intake duct

11

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Hose clamp

12

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Coolant hose, return 

13

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Coolant hose, supply 

14

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Heater core

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GInstall seals around entire circumference of heater core 

 
NOTE:  Always change coolant after Repairs.

15

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Rear Heater Core Temperature Sensor -G154-

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Inserted into heater core 

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If sensor -G56- malfunctions, default value of 42 °C (108 °F) is assumed

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Removing 
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Remove rear heater core first 

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Control Module for Warm Air Blower -J350- (rear)

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Function: Controls blower speed of rear warm air fan -V47- with variable ground signal

Multi-Function Thermal Sensor / Switch > < Heater Core Temperature Sensor / Switch|Service and Repair