2. This system operates by changing the air pressure in the rear shock absorbers. On some models, the pressure in the system is regulated automatically, while on others (which is more common) the pressure can be adjusted manually.
Automatic control system.
3. When a fully automatic system is installed, the compressed air source is an electrically driven compressor and the driver does not need to do anything. The level change response occurs after 20 seconds to prevent the system from activating during bumpy driving.
4. The diagram of the automatic level control system and the location of the various components are shown in Figure 10.33.
(Material taken from an internet portal www.OPELBOOK.ru)
Figure 10.33. Components of an automatic level control system 1. Electric compressor. 2. Relay and fuse assembly. 3. Load sensor. 4. Overhead and electric lines.
Manual control system.
5. On this more common system, the compressed air line is connected to a coupling inside each shock absorber at the rear. The two hoses are combined into one, which passes through the side panels of the housing to the control valve (similar to a tire pressure valve) in the back of the case. The location of this valve varies depending on the model, but it should be either in the trunk or in the rain channel on the right rear corner (access with trunk lid open).
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