Inlet. Front Pipe to Center Pipe. Auxiliary A/C & Heater. For Rear Heater Core. Rear Heater Adapter Pipe to Underbody Pipe and Hose.

Auxiliary A/C & Heater. Inlet. Rear Heater Adapter Pipe to Front Heater Pipe. Rear Heater Adapter Pipe to Heater Core Pipe.

Inlet. Auxiliary Water Pump Outlet Pipe to To Heater Core Pipe. Auxiliary A/C & Heater. Rear Heater Adapter Pipe to Front Heater Pipe.

Outlet. Auxiliary A/C & Heater. Pipe to Front Heater Core.

Auxiliary A/C & Heater. Outlet. Underbody Pipe and Hose to Rear Heater Adapter Pipe.

Auxiliary A/C & Heater. Inlet. Rear.

Exc.Auxiliary A/C & Heater. Inlet. Charge Air Cooling. Pipe to Pipe. From Water Pump Housing. With RS7, right front. 2.9L, main.

From Junction To Junction. Auxiliary A/C. 3.0L. Q7. 3.6l. Front & rear ac. Pressure. Q7. 4.2l.

From Junction To A/C Evaporator. Main Air Cond. Diesel, without rear ac. Gas, with rear ac. 4.2L, without rear ac. 3.6L, with rear ac. 3.0L, without rear ac.

Auxiliary A/C. Diesel, with rear ac. Gas, with rear ac. 3.6L, with rear ac. 4.2L, with rear ac. Main Air Cond. From A/C Condenser to Junction. 3.0L, with rear ac.

Auxiliary A/C. 3.0L. A/C Liquid Pipe. To A/C Evaporator. 3.6L. 4.2L.

To A/C Compressor. Gas, with rear ac.