A8L Quattro Sedan W12-6.0L (BSB) (2005)
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Remove the coolant hoses from ATF cooler.
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Seal off the ATF coolant hoses with clean sealing plugs.
‹› Sealing off the lines as quickly as possible prevent the coolant from draining out of the cooling system.
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Remove the three bolts - arrows - and remove the ATF cooler - B -.
‹› Always replace both ATF seals between the ATF cooler and the transmission.
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Seal off both openings in the transmission with clean plugs.
Installing
Install in reverse order of removal.
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Replace both ATF seals between the ATF cooler and the transmission.
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Coat both new ATF seals with ATF and attach them to the ATF cooler.
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Mount the ATF cooler - B - onto the transmission and tighten the bolts - arrows - to 10 Nm.
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Install ATF cooling hoses to ATF cooler.
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Check coolant level in cooling system.
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Check the ATF level and correct if necessary. Refer to => [ ATF Level, Checking ] See: Fluid - A/T/Service and Repair/ATF Level, Checking.