SEAT Workshop Service and Repair Manuals

Coolant thermostat: Removing and installing Special tools and workshop equipment required

t  Socket and key -T10058- Removing: –  Drain coolant → Chapter.

–  Release hose clip -2-. –  Remove bolt -4-. –  Unplug electrical connector -arrow-. –  Remove bolt -1- and take out air pipe downwards.

–  Move coolant hose -2- and wiring harness -1- clear. –  Remove bolt -arrow- and remove bracket.

–  Remove bolt -2- at bracket for coolant pump for continued circulation -V51-.   Note The continued circulation coolant pump -V51- remains installed.

–  Disconnect coolant hoses -1 and 2- and move clear to one side.

–  Loosen nut -2-, remove bolt -1- and swivel support for intake manifold slightly to right. –  Remove coarse oil separator → Chapter.

–  Unscrew the bolts -arrows- and remove connection. Allen key -T10058-, long reach 5 mm is helpful for removing the right-hand bolt. –  Remove thermostat. Installing: l  Tightening torques → Chapter Installation is carried out in the reverse order; noting the following in the process:   Note Renew gaskets and O-rings. –  Clean the sealing surface for O-ring. –  Coat O-rings with coolant additive »G12 plus-plus«.

–  Insert thermostat -4- in coolant pump housing -5- and swivel forwards slightly -arrow-. –  Fit connection -3- carefully (insert centring pin -2- in guide -1-).