300SEL (126.025) L6-3.0L (103.981) (1988)
Air Door Vacuum Solenoid Valve: Service and Repair
Switchover Valve Unit (Y7), Removal and Installation
Cover under right-hand side of dashboard
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Remove.
Right side cover of center console
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Remove.
Glovebox or front passenger's airbag
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Remove.
Switchover valve unit (Y7)
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Unclip from heater box.
Vacuum lines and 8-pole coupling
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Pull off.
Install
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In the reverse sequence observing color code on vacuum lines.