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.

-- Remove the knee airbag. Refer to KNEE AIRBAG, REMOVING AND INSTALLING .

CAUTION:

Pyrotechnic components can unintentionally deploy.

Risk of injury.

- Discharge static electricity: Briefly touch the door striker pin.

-- Remove the instrument panel. Refer to INSTRUMENT PANEL .

-- Remove the vehicle electrical system control module. Refer to appropriate service information .

-- Completely detach the module carrier. .

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

-- Pull the module carrier forward off the studs.

-- Cover the studs on the right side with a cloth or the like.

-- Press the module carrier up on the right side and place it on the studs.

NOTE:

Bleed the coolant circuit after opening it. Refer to COOLANT [For engine(s) CGRA] .

The coolant system is under pressure when the engine is warm. If necessary, release the pressure prior to repair work.

-- Place the :VAS6208 under the engine.

-- Discharge the coolant circuit. Refer to COOLANT [For engine(s) CGRA] .

-- Label the coolant hoses to the heating and Air Conditioning (A/C) unit.

-- Clamp off the coolant hoses to the heater core for the heater and A/C unit (for example, with the :3094 ) and remove them.

-- Insert one section of each hose -A and B- onto both connections to the heater core.

Fig 1: Identifying Removal Of Heater Core Coolant

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

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

-- Using a compressed air gun -D-, carefully blow coolant out of the heater core (into container -C-) via hose -A-.

-- Pull the interior carpet on the left away from the center tunnel.

-- Remove the heater core cover -1-.

-- Remove the bolts -2- and loosen the tabs -arrow-.

Fig 2: Identifying Heater Core Cover -1-, Screws -2- And Retaining Tab -Arrow-

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Cover the carpet in the area under the heater core with waterproof foil and water absorbing paper.

CAUTION:

The cooling system is under pressure when the engine is warm. There is a risk of scalding from hot steam and coolant.

Burns on the skin and other parts of the body is possible.

- Wear protective gloves.

- Wear protective eyewear.

- Reduce the pressure: cover the coolant reservoir cap with a cloth and carefully open.

-- Pry retaining clips -1- off the coolant lines.

Fig 3: Identifying Coolant Hoses Retaining Clips

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Slowly remove the coolant lines from heater core and allow escaping coolant to run into an accumulator reservoir.

NOTE:

There is a fastening pin on the left side below the heater core. This connects the lower heater core cover with the heater and A/C unit.

-- Pull fastening pin -1- out of the locking mechanism in direction of -arrow A- and then pull out the fastening pin in the direction of -arrow B-.

Fig 4: Lifting Retaining Pin Out From Locking Device & Pull Retaining Pin Out In Direction Of Arrow B

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Fold the cover down and remove the heater core to the left.