Volvo C30 2007 Service And Repair Manual page 545

Fig. 160: Identifying Combustion Preheater Module (CPM) Screws
Courtesy of VOLVO CARS CORPORATION
Slacken off the 4 screws. See the illustration.
Carefully pull the combustion preheater module (CPM) straight out to access the connector.
Position a small screwdriver between the control module connector and its 2 catches. Turn the screwdriver
carefully to release the catches.
Pull off the control module.
INSTALLATION
INSTALLING THE COMBUSTION PREHEATER MODULE (CPM)
Install the switch so that it is properly secured.
Position the control module. Ensure that the control module housing goes correctly into the grooves at the top
edge.
Tighten the 4 screws crosswise.
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