Removing and installing rear duovalve/coolant circulation pump compact unit - AR83.60-P-9050M
MODEL 220 with CODE (582) Rear air conditioning
| Removal, installation | |||
| Danger of severe burns to skin and eyes from hot coolant spewing out. Coolant is toxic when swallowed | Open cooling system only when coolant temperature is below 90 °C. Open cover slowly and reduce pressure. Do not fill beverage containers with coolant. Wear protective gloves, protective clothing and protective goggles. | AS20.00-Z-0001-01A | |
| 1 | Release pressure in cooling system | ||
| 2 | Remove right front wheel | AP40.10-P-4050Z | |
| 3 | Remove right front inner fender | AR88.10-P-1300M | |
| 4 | Unscrew 2 nuts (1) | ||
| 5 | Remove rear auxiliary heater supply unit (A31/1) with bracket | ||
| 6 | Disconnect connector (6) from coolant circulation pump | ||
| 7 | Disconnect connector (5) from duovalve | ||
| 8 | Attach clamps to heater hoses (2) | Figure | |
| 9 | Loosen hose clamps (3), pull off heater hoses (2) | ||
| 10 | Push rubber mount (4) for rear auxiliary heater supply unit (A31/1) out of mount and remove | ||
| 11 | Install in opposite order |