Radiator: Testing and Inspection

17 00 515 Checking function of radiator and heating system





Special tools required:
^ 13 3 010





Warning!
Danger of scalding!
Only carry out work on cooling system after engine has cooled down.

Necessary preliminary tasks:
^ Switch off ignition.
^ Remove air duct.
^ Remove fan cowl with electronic fan.








Check production date.





Clamp off low-temperature feed lines with special tool 13 3 010.

Function test:
Observe diagnosis instructions.

Check function of radiator.





Clamp off low-temperature feed line (1) at coolant pump outlet or radiator inlet with special tool 13 3 010 (see arrows).





Automatic transmission only

Check function of heat exchanger.

Clamp off low-temperature feed line (1) at coolant pump outlet with special tool 13 3 010 (see arrow).

Clamp off low-temperature feed line (2) at oil coolant heat exchanger with special tool 13 3 010 (see arrow).





Check heating and cooling circuits in accordance with diagnosis instruction.