System Specifications

Thermostat at Coolant Temperature °C
Start of Opening 85 - 89
Max Opening 102

Viscous Fan Clutch (100 200 04 22) [1]
Cut-in Temperature °C 96 - 104
Safety Cutoff at
Engine Speed 4500 rpm
Fan Speed 3250 rpm

Electric Auxilary Fan
First Stage On/Off [2] 16/11
Second Stage On/Off [3] 107/100

AC at Coolant Temperature in °C
Start of Pulse [4] 121-123
Emergency Off 126 - 128

Pressure Cap Opens at Pressure in Bar
First Stage 1.3
Second Stage N/A
Coolant Temperature Max °C130

[1] - Engine 103.980 viscous fan clutch 103 200 02 22.
[2] - At refrigerant pressure in bar. Cut-in 1st stage speed-responsive: compressor on
< 40 km/h on
> 70 km/h off
[3] - At coolant temperature in °C.
[4] - Pulse duration: 50% on time,
20 seconds on
20 seconds off