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Bleeding coolant circuit > < Removing and installing temperature sensorG18 and overheating sensorG189

Golf Mk5

Removing and installing heater coolant shut-off valveN279
Removing and installing heater coolant shut-off valve -N279-
  Note
The heater coolant shut-off valve -N279- was fitted only in vehicles with certain engines and was then gradually discontinued during production.
Special tools and workshop equipment required
   
t  Hose clamps up to 25 mm Ø -3094-
Removing
–  Remove engine cover → Rep. gr.10.
  W00-0079
–  Pull out noise insulation and, depending on engine, remove intake hose to turbocharger → Rep. gr.21.
–  Remove securing nuts (8 ±0.8 Nm) -A- from bracket for heater coolant shut-off valve -N279--1-.
–  Clamp off coolant hoses -B- using hose clamps up to Ø 25 mm -3094-.
  WARNING
Danger of scalding injuries.
The cooling system is pressurised. When the engine is warm, the coolant temperature may be above 100 0C.
If necessary, release pressure and reduce temperature before carrying out repairs.
–  Separate coolant hoses from -B-heater coolant shut-off valve -N279-.
–  Unclip connecting wire from retainer and separate connector.
–  Remove securing nuts (8 ±0.8 Nm) -A- from heater coolant shut-off valve -N279-.
Installing
–  Install in reverse order.
  N82-10070

Bleeding coolant circuit > < Removing and installing temperature sensorG18 and overheating sensorG189