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

Removing and installing toothed belt pulley for coolant pump, engine codes CHPA, CMBA, CPVA, CXSA, CZDA, CZCA, CPVB

Special tools and workshop equipment required Counterhold -T10172- with adapter -T10172/2- ...

Removing and installing thermostat for small cooling circuit

Removing – Remove coolant pump → Chapter. – Rem ...

Other materials:

Installing engine
Procedure Engine/gearbox assembly secured to engine support T10497. Note Renew bolts that are tightened with specified tightening angle. Renew self-locking nuts and bolts ...

Seam seals, body of CNG-powered vehicles
Note Seam seals made during repair work must be identical in appearance and thickness to the original seam seals. To avoid damage or faulty operation, brush seam seals smooth near attachments which must be attached. ...

Introduction
This chapter contains information on the following subjects: → Warning and indicator lamps → Engine oil specification → Checking the engine oil level and refilling engine oil → Engine oil consumption → Changing engine oil Additiona ...