Q5 Quattro V6-3.2L (CALB) (2009)
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Insert one section each of hose - A - and - B - on to both connections to heater core.
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Place a container - B - under the other end of the hose - C -.
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Using a compressed air gun - D -, carefully blow coolant out of heater core (into container - B -) via hose - A -.
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Remove the clamps - B - and - C - from the heat exchanger connectors - A -.
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Loosen both coolant pipes - D - and - E - from the heat exchanger connectors - A -.
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Remove the heat exchanger - A - in the direction of the arrow - arrow -.
‹› The upper illustration shows a heat exchanger with connectors as it is installed in production. If the heat exchanger was already exchanged once,
then both coolant pipes are held in the replacement heat exchanger with a bracket - A -. Remove the screw - B - in this heat exchanger. Install a
longer screw - C - (with a M5 thread) all the way to the end as shown in the illustration and with this screw, loosen the bracket - A - from the
connection.