volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Checking electronically regulated cooling system > < Removing and installing thermostat
Electronically regulated cooling system
Electronically regulated cooling system
Engine code: APF
Function:
The cooling system on this engine is regulated using the electronic map of the engine control unit.
Load dependant default settings for the specified temperature, thermal regulation of the coolant temperature and control of the radiator fan speeds are the main characteristics of this new system.
A higher engine temperature in part load situations has the following advantages:
t  reduction of consumption in part load
t  reduction of CO and HC emissions
Further information: → No.222.
Parts of cooling system - engine side, part ll (engine codes APF) → Chapter.
Coolant hose schematic diagram, part ll (engine codes APF) → Chapter.
Dismantling and assembling coolant distribution housing → Chapter.
   

Checking electronically regulated cooling system > < Removing and installing thermostat