Removal
1. Completely drain coolant (20-010)
2. Unscrew fan.
3. Slacken V-belt of alternator and remove.
Drain plug on cylinder crankcase
4. On vehicles with automatic climate control, remove York refrigerant compressor with carrier and connected lines and put aside.
For this purpose, on engine 617 in model 123.1, remove adaptor between air filter and scoop.
5. Unscrew water pump and remove.
Installation
6. Insert water pumpwith new gasketand screw down.
7. For further installation proceed vice versa.
8. Tension V-belt of alternator ( 13-340).
9. Pressure-test cooling system with tester.