Q5 Quattro V6-3.2L (CALB) (2009)
Removing
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Perform the preparation work for removing the heat exchanger.
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Release pressure in cooling circuit by opening cap on coolant expansion tank.
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Mark the arrangement of coolant hoses - A - (supply to cylinder head) and - B - (return to water pump).
‹› The heat exchanger is designed for a specific coolant flow direction. Therefore, coolant hoses must be connected on the correct sides.
‹› Bleed coolant circuit.
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Clamp the coolant hoses - A - and - B - with hose clamps.
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Cover the area beneath connections for coolant hoses - A - and - B - e.g. with absorbent paper.
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Remove coolant hoses - A - and - B - from connections to A/C unit heat exchanger.