Audi Workshop Service and Repair Manuals > A4 Mk2 > Power unit | 4-cylinder engine (2.0 ltr. 5-valve), mechanics | Engine cooling | Removing and installing parts of cooling system | Removing and installing thermostat housing with map-controlled engine cooling thermostatF265

Removing and installing thermostat housing with map-controlled engine cooling thermostatF265

Removing and installing thermostat housing with map-controlled engine cooling thermostat -F265-

Removing

–	Drain off coolant → Chapter.

–	Remove coolant pipe (top) → Chapter.

–	Remove intake manifold → Chapter.

–	Remove coolant pipe (bottom) → Chapter.

–	Unplug electrical connector -5-.

–	Detach coolant hoses -1- and -4-.

–	Remove bolts -2- and -3- and detach thermostat housing.

–	Remove bolts -1-.

–	Remove the thermostat -2- with O-ring -3- from the thermostat housing -4-.

Installing

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

Note

t	Renew O-rings.

t	Secure all hose connections with the correct type of hose clips (same as original equipment) → Parts catalogue.

–	Install coolant pipe (bottom) → Chapter.

–	Install intake manifold → Chapter.

–	Install coolant pipe (top) → Chapter.

–	Fill cooling system → Anchor.

Tightening torques

Component	Nm
Thermostat to housing	10
Thermostat housing to cylinder block	15

Audi Workshop Service and Repair Manuals