Volvo C30 2007 Service And Repair Manual page 529

like the others.
Install the cover using 4 screws.
If necessary adjust the pipe coupling. See: COOLANT PIPE FUEL-POWERED PREHEATER (B5254T3,
B5254T7).
Install the control module. See: FUEL FIRED BOOSTER HEATER CONTROL UNIT (B5254T3,
B5254T7).
FINISHING
TESTING THE ENGINE COOLANT HEATER
Carry out a performance test of the engine coolant heater. See: FUEL-POWERED PREHEATER,
CHECKING .
FUEL FIRED BOOSTER HEATER (B5244S4)
Special tools:
see 9512619
NOTE: The illustrations in this service information are used for different model years
and/or models. Some variation may occur. However, the essential information in
the illustrations is always correct.
PREPARATORY WORK
REMOVING COMPONENTS AND DRAINING THE ENGINE COOLANT
2012 Volvo C30 T-5
HVAC Climate Units - Removal, Replacement And Installation