seat Workshop Repair Guides

SEAT Workshop Service and Repair Manuals

4/2-way valve with thermostat: Removing and installing > < Coolant pump: Removing and installing
Coolant circulation pump 2V178: Removing and installing
Coolant circulation pump 2 -V178-: Removing and installing
t  Coolant circulation pump 2 -V178-: Removing → Anchor
t  Coolant circulation pump 2 -V178-: Installing → Anchor.
Consult the equivalence table for tools and equipment according to applicability among Seat / VW / Audi / Skoda → Chapter.
   
Special tools and workshop equipment required
t  Hose clamps -3094-, see equivalent → Anchor
t  Collecting tray -VAS 6208-, see equivalent → Anchor
t  Base -VAS 6499-, see equivalent → Anchor

   
Removing .
–  Remove centre noise insulation -fastening points 1 ... 3-.
  A10-1565
–  Remove the air conduction hose; release the hose clips -1- and -2- for this purpose.
  A21-10489
–  Unscrew bolts -arrows-.
–  Release hose clip -2- and push front air pipe towards the right.
  Note
Ignore items -1- and -3-.
  Note
  A21-10435
Place a cloth underneath coolant circulation pump 2 -V178- to catch escaping coolant.
–  Disconnect and remove the coolant hoses with the hose clips -3094-. For this purpose, loosen the clip -3-.
–  Pull out the plug -2-.
–  Unscrew the bolts -1- and unscrew the coolant circulation pump 2 -V178-.
  Note
Disregard -arrow-.
Fitting .
l  Tightening torque → Chapter
Installation is carried out in the reverse order; note the following:
  Note
t  Hose connections and air pipes and hoses must be free of oil and grease before assembly.
t  Secure all hose connections with the correct type of hose clips (same as original equipment) → Parts catalogue.
t  To ensure that the air hoses can be properly secured at their connections, spray rust remover onto the worm thread of used hose clips before installing.
–  Install air pipe → Chapter.
–  Install air hoses with screw clamps → Fig.
  A19-10639
–  Fit the centre noise insulation -fastening parts 1 ... 3-.
–  Check coolant level → Chapter.
  A10-1565

4/2-way valve with thermostat: Removing and installing > < Coolant pump: Removing and installing