Volkswagen Workshop Service and Repair Manuals > Golf Mk4 > Engine | 4-cylinder injection engine (1.6 l engine) Mechanics | Engine cooling | Removing and installing parts of cooling system

Removing and installing thermostat

Engine codes: AEH, AKL

Special tools and workshop equipment required

t	Drip tray -V.A.G 1306- or drip tray for workshop hoist -VAS 6208-

t	Torque wrench -V.A.G 1331- (5...50 Nm)

t	Spring-type clip pliers -VAS 5024A-

Removing

Note

Always renew seals and gaskets.

–	Drain coolant → Chapter.

–	Pull coolant hose off connection -3-.

–	Remove connecting flange -3- securing bolts -4- and remove connecting flange -3- with thermostat -1-.

Installing

Installation is carried out in the reverse order. When installing, note the following:

–	Moisten new O-ring -2- with coolant.

–	Fit connection -3- with thermostat -1- into engine block.

Note

The brace on the thermostat must be almost vertical.

–	Tighten securing bolts -4-. Torque setting: 15 Nm.

–	Fill with coolant → Chapter.

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