Coolant cooling system - Audi A4 Avant B6 (Europa, 2001)

Coolant hose with quick release coupling (expansion tank > coolant regulator housing > coolant radiator)

O-ring

Retaining spring

Bracket

Bungs

Coolant pipe

O-ring

Hexagon bolt

Hex collared bolt

Cap closure

Coolant pipe

Seal bolt with sealing ring only to be used for:

Socket head bolt with hexagon socket head

Washer

Coolant pipe

Seal ring

Hexagon bolt

Bracket

Coolant hose (flange>coolant pipe)

Coolant hose (throttle valve union > oil cooler > coolant pipe)

Coolant hose (throttle valve union > oil cooler > coolant pipe)

Coolant hose (flange>coolant pipe)

Coolant hose with quick release coupling (expansion tank > coolant regulator housing coolant pipe)

Coolant hose (expansion tank > coolant radiator)

Flange with sealing ring and quick-action coupling

Seal ring

O-ring

Retaining spring

Hexagon head bolt (combi)

Spring band clamp

Spring band clamp

Spring band clamp

Spring band clamp

Spring band clamp

Spring band clamp

Spring band clamp

Spring band clamp