Heating And A/C Unit, Climatic: Notes

Special tools and workshop equipment required 

• Drip Tray For VAS 6100 VAS 6208
• Hose Clamps Up To 40 mm VAS 3093
• Compressed air gun, commercially available

Removing 

-- Extract refrigerant e.g. using ROB134APF, only then open the refrigerant circuit. See notes, refer to SERVICING VEHICLES EQUIPPED WITH A/C .

-- Remove instrument panel. Refer to Removal and Installation .

-- Remove the bulkhead inside the plenum chamber. Refer to Description and Operation .

-- Remove the rear channels from the right and left footwells. Refer to REAR FOOTWELL CHANNEL .

-- Place the VAS 6208 under the engine.

Fig 1: Identifying Coolant Hoses At Heater Core

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Mark the coolant hoses -1-.

-- Clamp off the coolant hoses -1- using the VAS 3093 and remove the coolant hoses from the heat exchanger.

Fig 2: Identifying Section Of Hose, Suitable Container And Lower Connection

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Connect a section of hose -A- to the upper connection.

-- Hold a container -B- under the lower connection -C-.

-- Using a compressed air gun, carefully blow residual coolant out of heater core at heater core connection.

Fig 3: Identifying Refrigerant Lines, Bolts And Expansion Valve

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.