Removal
1. Disconnect the battery.
2. Unscrew bolt 1 of the expansion tank and move it to the side (Fig. 3.111). Disconnect the wiring connectors from the boost pressure control solenoid valve 2, the boost pressure sensor 3 and the wiring connector from the pre- and post-heating unit.
Fig. 3.111. Unscrew bolt 1 securing the expansion tank and move it to the side. Disconnect the wiring connectors from the boost pressure control electromagnetic valve 2, boost pressure sensor 3 and the wiring connector from the pre-heating and post-heating unit.
3. Unscrew the 4 bolts securing the casing and remove it by moving it upwards (Fig. 3.112).
Fig. 3.112. Unscrew the 4 bolts securing the casing and remove it by moving it upwards.
4. Unscrew the bolts 5 securing the control unit and remove it, having first disconnected the wiring connectors from the unit (Fig. 3.113).
Fig. 3.113. Unscrew the bolts 5 securing the control unit and remove it, having first disconnected the wiring connectors from the unit.
Installation
5. Installation is carried out in the reverse order of removal.
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