Incorporation of Rear Heating A/C Unit Into Vehicle Coolant- and Refrigerant Circuit

Incorporation Of Rear Heating A/C Unit Into Coolant- And Refrigerant Circuit

NOTE: Rear A/C system is installed only in vehicles with "Comfort" version A/C system as optional equipment.

Incorporation Of Rear Heating A/C Unit Into Vehicle Coolant- And Refrigerant Circuit






1. Low pressure side connection to evaporator in rear heating A/C unit
- Refrigerant line, disconnecting and reconnecting.
2. High pressure side connection to evaporator in rear heating A/C unit
- Refrigerant line, disconnecting and reconnecting
3. Coolant supply from engine
- To Coolant Pump V50 on vehicles with 8 cyl. engine
- To heater cores of front and rear heating A/C units on vehicles with 6 cyl. gasoline engine without parking heater
- Incorporation of A/C system into coolant circuit
- Incorporation of A/C system into engine coolant circuit
4. Coolant supply to heater core in rear heating A/C unit
- Incorporation of A/C system into coolant circuit
5. Coolant return from heater core in rear heating A/C unit
- Incorporation of A/C system into coolant circuit
6. Coolant return to engine
- Incorporation of A/C system into coolant circuit
- Incorporation of A/C system into engine coolant circuit
7. Bracket for coolant and refrigerant lines
8. Connection points in refrigerant lines
- Loosening and assembling connection points of refrigerant lines
9. Pass-through for coolant hoses and refrigerant lines
- Check that coolant hoses are installed correctly.
- Refrigerant line, disconnecting and reconnecting.