S60 2.5T AWD L5-2.5L Turbo VIN 59 B5254T2 (2004)
Only turbocharged (TC) engines: Install the hose between the charge air cooler (CAC) and the electronic throttle module (ETM).
Install:
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the fresh air intake hose
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the battery negative lead. Also read Battery, disconnecting See: Battery/Service and Repair/Procedures/Battery, Disconnecting.