Volkswagen Golf Service & Repair Manual: Removing and installing thermostat for large cooling circuit

Volkswagen Golf Service & Repair Manual / 4- cylinder injection engine(1.4 1 direct inction. turbocharger) / Engine cooling / Coolant pump, regulation of cooling system / Removing and installing thermostat for large cooling circuit

Special tools and workshop equipment required

Hose clip pliers -VAS 6362-

Removing and installing thermostat for large cooling circuit

Special wrench -T10508-

Release tool -T10527-

Release tool -T10527/1-

Removing

–	Drain coolant → Chapter.

–	Move air hoses clear at air pipe.

–	Detach connector from charge pressure sender -GX26-.

Removing and installing thermostat for large cooling circuit

–	Release fasteners -arrows- using release tools -T10527- and -T10527/1-.

–	Remove air pipe -1-.

Removing and installing thermostat for large cooling circuit

–	Release hose clip -4- and detach coolant hose -3-.

–	Remove bolts -arrows- and detach cover -2- from thermostat housing.

Removing and installing thermostat for large cooling circuit

–	Remove thermostat using special wrench -T10508-.

–	Slightly push down special wrench -T10508- while turning it in -direction of arrow-.

Installing

Removing and installing thermostat for large cooling circuit

–	Insert thermostat ensuring that the centring pin of thermostat is seated in guide -arrow-.

Removing and installing thermostat for large cooling circuit

–	Install thermostat using special wrench -T10508-.

–	Slightly push down special wrench -T10508- while turning it to stop in -direction of arrow-.

Installation is carried out in the reverse order; note the following:

Note

Renew seals.

–	Moisten gasket with coolant.

–	Replenish coolant → Anchor.

Specified torques

→ Fig. „“Cover for thermostat to thermostat housing - tightening torque”“

Removing and installing thermostat for large cooling circuit

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Removing and installing thermostat for small cooling circuit

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