MODEL | 963, 964 |
with CODE D6I (Residual engine heat utilisation) |
Location
M20 | Residual heat pump |
W83.20-1102-05
The residual heat pump (M20) is located at the left under the cab.
Task
The residual heat pump (M20) ensures coolant circulation with the engine switched off. The heater core is thus constantly supplied with coolant still warm from the operation of the engine.