Heater Core, Removing And Installing: Removing

WARNING: This page is about a different car, the 2014 Volkswagen Touareg, 2013 Volkswagen Touareg, 2012 Volkswagen Touareg, and 2011 Volkswagen Touareg. However, it is still accessible from the selected car via links, so may be relevant.

-- Turn off the ignition.

-- Open the cap on the coolant expansion tank and release the pressure in the coolant system. Refer to COOLANT [For engine(s) CGRA] .

-- Bring the rear heater and Air Conditioning (A/C) unit into the service position. Refer to REAR HEATER AND A/C UNIT, SERVICE POSITION .

Fig 1: Disconnecting Heater And A/C Unit Connectors

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Disconnect the connectors from the heater and A/C unit -arrows-.

-- Remove the bolts -A- and the upper cover -B-.

Fig 2: Identifying Upper Cover Remove/Install Components

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Mark both coolant hoses -A and B- to the rear heater core -C- (to prevent interchanging them).

Fig 3: Identifying Heater Core Components

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Disconnect the coolant hoses -A and B- to the rear heater core -C- (for example, with :3094 ).

-- Remove the heater core -C- from the heater and A/C unit.

-- Cover the area under the heater and A/C unit with absorbent paper to prevent leaking coolant from running onto the heater and A/C unit or floor covering.

-- Place a container under both connections on the heater core -C- and clamp the coolant hoses.