Heater Core, Removing And Installing: Removing

Vehicles with a TDI Engine

-- Press the release buttons on the crankcase ventilation hose -1- and remove the hose from the cylinder head cover.

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-- Free up the vacuum hoses on the air duct pipe -arrows-.

-- Loosen the hose clamp -3-.

-- Remove the bolt -2-, pivot the air duct pipe with the connection toward the rear and remove it from the turbocharger.

Continuation for All Vehicles

-- Mark the installation position of the coolant hoses -1- and -4-.

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NOTE:

The heater core is designed for a specific coolant flow direction. Therefore, coolant hoses must be connected on the correct sides.

-- Clamp off the coolant hoses -1 and 4- using :3094 .

-- Lift the clips -2 and 3-.

-- Place the :VAS6208 under the engine.

-- Remove the coolant hoses -1 and 4- from the heater core for the heater.

-- Connect a suitable hose -A- to the upper connection of the heater core.

Fig 1: Identifying Container

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-- Hold a suitable container -B- under the lower connection of the heater core -C-.

-- Carefully blow the remaining coolant above the hose -A- out of the heater core and into the container -B- with a compressed-air gun.

-- Seal the open lines and connections with clean plugs from the :VAS6122 .

-- If equipped, remove the driver side knee airbag and driver knee airbag bracket. Refer to OVERVIEW - KNEE AIRBAG .

-- Remove the left footwell center console trim. Refer to OVERVIEW - CENTER CONSOLE .

-- Lower the driver side footwell vent. Refer to DRIVER SIDE FOOTWELL VENT, REMOVING AND INSTALLING .

-- Vehicles with an auxiliary heater: remove the Auxiliary Heater Heating Element -Z35- with the Auxiliary Heater Control Module -J604-. Refer to Auxiliary Heater Heating Element -Z35-, REMOVING AND INSTALLING .

-- Cover the area under the connections for the coolant hoses in the plenum chamber, for example, with waterproof foil and absorbent paper.

-- Lift the catch -6- and remove the clamp -5-. Remove the coolant line -4- from the heat exchanger.

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-- Remove the bolt -3-.

-- Remove the screw-type clamp -2- and then remove the coolant line -1- from the heater core.

-- Seal the open lines and connections with clean plugs from the :VAS6122 .

-- Remove the bolts -1, 3, and 5-.

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-- Release the securing tabs -4- in direction of -arrows- and remove the cover -2-.

-- If the noise insulation cannot be removed easily, open the cover tabs -arrows-.

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-- Remove the heater core to the left.