Touareg V8-4.2L (BAR) (2007)
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Clamp off both coolant hoses - A - and - B - to the rear heat exchanger - C - using Hose Clamps Up To 25 Mm Diameter (3094).
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Remove the heat exchanger - C - from the A/C unit.
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Cover the area under the A/C unit with absorbent paper to prevent leaking coolant from running onto the A/C unit or carpet.
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Place a container under both connections to the heat exchanger - C - and disconnect both coolant hoses.
Installing
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Clean the rear A/C unit.
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Check the foam seals on the heat exchanger - A -.
‹› The foam seals must be attached without gaps and must not be damaged.
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Insert heater core - C - into heating & A/C unit.