Volvo C30 2007 Service And Repair Manual page 413

CAUTION: Always use new O-rings lubricated with compressor oil.
NOTE: Plug the pipes and connections when working on the climate control system.
Drain the refrigerant from the air conditioning (A/C) system. See: REFRIGERANT, DRAINING .
Remove:
right-hand front headlamp. See: HEADLAMP BULB (2007) or HEADLAMP BULB (2008-2012)
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the bumper shell. See COVER BUMPER FRONT (2007 - 2011 EARLY) or COVER BUMPER
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FRONT (2011 LATE - 2012) .
Remove:
the front edge of the right-hand fender liner
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the plastic nut, x 1
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the retaining clip against the engine cover under the vehicle.
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REMOVAL
REMOVING RECEIVER
2012 Volvo C30 T-5
HVAC Climate Units - Removal, Replacement And Installation