Volvo C30 2007 Service And Repair Manual page 514

the illustrations is always correct.
PREPARATORY WORK
REMOVING COMPONENTS
Remove:
the engine coolant heater. See: FUEL FIRED BOOSTER HEATER (B5254T3, B5254T7)

the combustion preheater module (CPM). See: FUEL FIRED BOOSTER HEATER CONTROL UNIT

(B5254T3, B5254T7).
REMOVAL
REMOVING THE FAN MOTOR FOR THE ENGINE COOLANT HEATER
Fig. 134: Identifying Screws For Cover Over Fan Housing
Courtesy of VOLVO CARS CORPORATION
Remove the 4 screws for the cover over the fan housing. Remove the cover.
NOTE: The nearest connection pipe may need to be adjusted in order to remove the
cover. See: COOLANT PIPE FUEL-POWERED PREHEATER (B5254T3, B5254T7).
2012 Volvo C30 T-5
HVAC Climate Units - Removal, Replacement And Installation