Volvo C30 2007 Service And Repair Manual page 505

2012 Volvo C30 T-5
HVAC Climate Units - Removal, Replacement And Installation
Fig. 125: Identifying Heat Exchanger Cover Screws
Courtesy of VOLVO CARS CORPORATION
Remove cover over heat exchanger. It is secured using 4 screws.
Lift up the cover a little until the snap rings for the pipe couplings release.
Ease out and pull the pipe couplings upwards, one at a time.
REMOVING PIPE COUPLING AND SNAP RING