Volvo C30 2007 Service And Repair Manual page 422

Fig. 51: Identifying Preheater Screws
Courtesy of VOLVO CARS CORPORATION
WARNING: Do not perform any work on the electrical preheater until the heating coil
has cooled to ambient temperature.
Remove the 2 screws.
Pull out the preheater.
INSTALLATION
NOTE: For tightening torques, see: TIGHTENING TORQUE .
INSTALLING THE ELECTRICAL PREHEATER
Install the preheater. Ensure that it is situated horizontally and engages in the guide pins on the opposite side.
Install:
the 2 screws. Tighten

the 2 clamps for the cable harness

2012 Volvo C30 T-5
HVAC Climate Units - Removal, Replacement And Installation