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Volkswagen Golf Service & Repair Manual: Removing and installing temperature sensor -G18- and overheating sensor -G189

Volkswagen Golf Service & Repair Manual / Auxiliary heater / Aux. heater/heater booster / Auxiliary heater / Removing and installing temperature sensor -G18- and overheating sensor -G189

Removing
   
–  Dismantling and assembling auxiliary heater → Chapter.
–  Remove bolt -1- (4 Nm) and remove retaining spring -2-.
–  Pull out temperature sensor -G18--3-and overheating sensor -G189--4- using long nose pliers.
Installing
Install in reverse order.
–  Renew seals.
–  Check sealing surfaces and clean if necessary.
–  Before inserting sensors, coat seals with coolant.
 

Removing and installing temperature sensor -G18- and overheating sensor -G189

–  When assembling, ensure that retaining spring is in proper position -2-.
  Note
Sensors cannot be renewed separately.
Specified torque
→ Chapter „Assembly overview - auxiliary heater attachments“
 

Removing and installing temperature sensor -G18- and overheating sensor -G189

Removing and installing glow plug with flame monitoring -Q8
Removing –  Dismantling and assembling auxiliary heater → Chapter.     ...

Connector pin assignment for auxiliary heater
1 -  6-pin connector Information on pin assignment can be found in the latest current flow diagram → Current flow diagrams, Electrical fau ...

Other materials:

Safety precautions when working on high-voltage system
Danger to life due to high voltage The high-voltage system is under high voltage. There is a risk of severe or fatal injury due to electric shock. –  Persons with life-preserving or other electronic medical devices in or on their body must not perf ...

Welding and soldering on refrigeration systems
Before welding and brazing on vehicles (in the vicinity of the air conditioning system components), extract the refrigerant and then purge the system by blowing through with compressed air and using nitrogen. The products of decompositio ...

Removing and installing rear senders
Removing –  Remove rear wheel housing liner → General body repairs, exterior; Rep. gr.66.     –  Press both locking lugs in direction of arrow ...

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