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

Incorporation of Rear Heating and A/C Unit into Cooling and Refrigerant Circuit

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





1 Low pressure side connection to evaporator in rear heating & A/C unit

2 High pressure side connection to evaporator in rear heating & A/C unit


3 Coolant supply from engine

• To Coolant Pump (V50) => [ Coolant Pump ] Coolant Pump

• 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 cooling circuit.

• Incorporation of A/C system into engine cooling circuit

4 Coolant supply to heater core in rear heating & A/C unit

• Incorporation of A/C system into cooling circuit.

5 Coolant return from heater core in rear heating & A/C unit

• Incorporation of A/C system into cooling circuit

6 Coolant return to engine

• Incorporation of A/C system into cooling circuit

• Incorporation of A/C system into engine cooling circuit.

7 Bracket for coolant and refrigerant lines

8 Connection points in refrigerant lines

9 Pass-through for coolant hoses and refrigerant lines

• Check that coolant hoses are installed correctly.