Volvo C30 2007 Service And Repair Manual page 709

the expansion tank cap
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Fig. 38: Identifying Connector And Clips
Courtesy of VOLVO CARS CORPORATION
the connector for the engine cooling fan (FC)
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the hoses from the clips, x 2.
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Only applies to vehicles with automatic transmissions
Remove the screws for the transmission's oil cooler. Place the oil cooler to one side.
Fig. 39: Identifying Premair Sensor
Courtesy of VOLVO CARS CORPORATION
Only applies to vehicles with premair sensors
Remove the connector for the premair sensor.
2012 Volvo C30 T-5
ENGINE Cooling System - Removal, Replacement And Installation