500SEL (126.037) V8-5.0L (117.963) (1984)
Air Door Vacuum Solenoid Valve: Service and Repair
Switchover Valve For Main Flap, Removal and Installation
To 08/87
Data:
Permissible leakiness for individual components of vacuum system
-
20 mbar at 300 mbar vacuum
Special Tool:
Vacuum tester
-
116 589 25 21 00
Self-Made Tool:
Blind plug
-
000 987 11 45
Removal:
1. Remove glovebox.
2. Remove righthand shutter.
3. Partially loosen connecting hose between shutter and heater box (air guide).
4. Pull-off 2-point plug of switchover valve (14), as well as the two vacuum lines (refer to arrow).
5. Unscrew switchover valve (14) from heater box.
Installation:
6. Screw switchover valve (14) to heater box.
7. Plug 2-pole plug and vacuum lines to switchover valve (14).
8. Mount connecting hose between shutter and heater box (air guide).
9. Install right hand shutter.
10. Run engine at idle speed. Switch on air-conditioning system and check main air flap as well as switch over valve (14) for function.
11. Install glovebox.
Checking: