seat Workshop Repair Guides

SEAT Workshop Service and Repair Manuals

ABOUT US
Connecting auxiliary heater Thermo Top V to coolant circuit > < Removing and installing temperature sensorG18 and overheating sensorG189

Leon Mk2

Removing and installing heater coolant shut-off valveN279
Removing and installing heater coolant shut-off valve -N279-
Special tools and workshop equipment required
   
t  Torque wrench -V.A.G 1410-
  W00-0554
t  Hose clamps, up to Ø 25 mm -3094-
  W00-0079
t  Pliers for clamps -VAS 5024A-
Removal:
  Note
t  Bleed the coolant circuit if it is opened → Rep. gr.19.
t  If the drive motor is warm, then the cooling system is pressurised. If necessary, release pressure before carrying out repairs.
Carry out the following work:
–  Switch off electrical consumers.
–  Switch ignition OFF.
–  Pull out ignition key.
–  Remove engine cover → Rep. gr.10.
–  Clamp off coolant hoses using hose clamps to Ø 25 mm -3094-.
  WARNING
There is a risk of burns.
When the engine is warm, the coolant temperature may exceed 100° C. The cooling system is pressurised.
Where necessary, reduce pressure and temperature before commencing repair work.
–  Loosen spring-type clip -1- and pull coolant hose off heater coolant shut-off valve -N279--3-.
  W00-1179
–  Unclip coolant hoses -5- and pull them off heater coolant shut-off valve -N279--3-.
–  Unplug connector -2-.
–  Undo bolts -4- (2.5 Nm) and remove heater coolant shut-off valve -N279--3-.
Installing
–  Installation is carried out in reverse order.
–  Charge and bleed cooling system → Rep. gr.19.
  N82-10448

Connecting auxiliary heater Thermo Top V to coolant circuit > < Removing and installing temperature sensorG18 and overheating sensorG189